Diamond Education & Tips

18 May 2020
by David Gilbert
When buying a diamond, learning the basics will help you to make an educated choice. Luckily the basics are fairly easy to understand and involve getting to grips with only a few key points called the 4C’s; Carat – Colour – Clarity – Cut.Understanding these 4 attributes will make you feel like an expert and give you all the information you will need to choose the best diamond for your budget.

Optimal diameter/weight

(Indicative use only to show the differences between weights as this chart will appear different sizes on different devices)

Carat Weight

The carat weight of a diamond is just that, the weight. It does not dictate a diamond’s diameter as most people assume, but rather how heavy the diamond is. Some diamonds will appear a little smaller, as more of the diamond is left on the lower half of the diamond, making it deeper and giving it a smaller show. A shallow diamond, on the other hand, will appear a little larger, as there is less diamond on the lower half leaving the top to spread wider. There is, however, an optimal diameter, and this is shown in the chart below.


Top Tip

A larger diameter for a given weight will make a diamond appear bigger, but it is not always better. It will often appear lifeless and be lacking in sparkle. A smaller diameter for the same weight, however, will leak light through the sides and often appear too dark.


Diamond Colour

The colour of a white diamond is graded from D through to Z and it is normal for a diamond to show a slight taint of colour. The colour range D through to F will appear colourless and is therefore referred to as Collection Colours with only their brightness telling them apart. G and H colour diamonds will show no colour when viewed from the top but will start to show the first signs of colour when turned upside down. Although almost imperceptible, any signs of colour draw only really start from the colour I.

Fancy colour diamonds – In very rare instances, diamonds will exhibit a very strong hue of yellow, pink, blue or even red, green or violet. Colour draw on a white diamond lowers its value, whereas, on a fancy colour diamond, its strength will vastly increase its value. Really intense fancy colour diamonds are the rarest and most valuable available, generally regarded as the most investable.

Top Tip

The colour of a white diamond is graded in very small increments and it can be hard for most people to see the colour draw of a diamond right down to a K. The brightness, however, is unmistakable.


(As every monitor is different, this chart should be used as an indicator of the difference between colours and not taken as an exact colour reference)

(This explanation is based on the teachings of the GIA and will vary slightly with other laboratories)

(This is an indication of how different types of inclusions can affect the clarity grade- it in no way is meant to be a definitive example of what to expect from each)

Diamond Clarity

Formed in the earth’s mantle between 100 and 400 miles below the surface, diamonds have taken millions, if not billions of years to reach us today. It is therefore not hard to imagine that while they are growing, under tremendous pressure and temperature, small imperfections can arise in their crystal structure. A diamond’s clarity grade refers to the type, number and position of these imperfections.

Clarity grade explained

IF – Internally Flawless.

The most valuable clarity grade is, of course, the rarest.

VVS – Very Very Slight Inclusion

The Gemological Institute of America (see below) state that for a diamond to be classified as VVS any inclusion should be no larger than a pinpoint when viewed under a 10X magnification diamond loop.

VS – Very Slight Inclusion

A diamond grader will give a diamond the grade VS if its inclusion is larger than a pinpoint but still not obvious under a 10X magnification diamond loop.

SI – Small Inclusion

When an inclusion in a diamond is thought to be obvious under a 10X magnification loop to a trained diamond grader, the grade of SI will be given.

I – Included

Heavily included diamonds will have the grade I on the certificate and there will normally be multiple inclusions spread throughout the diamond.

Top Tip

Very good examples of SI clarity diamonds are called “ Clever SI’s” but are very hard to find, whereas VS diamonds normally strike the best balance of cost vs quality for most people.

Diamond Cut

Diamonds are either cut where every facet is a triangle or a straight line, but the term cut here actually refers to the shape of the diamond. Over the years certain shapes have become the accepted norm, as pictured below.

Top Tip

A round diamond (often referred to as a Brilliant cut) is timeless and the shape most associated with an engagement ring. It is, therefore, the safest choice if you are unsure which to buy.


Different Certificates And Gem Labs

The International Diamond Grading system was created by the Gemological Institute of America (GIA) in 1953, its sole purpose to protect buyers and sellers. In two short years, the Diamond Grading Report (certificate) became an internationally accepted safeguard that would accompany most significant diamonds.

Today there are various gemological laboratories around the globe, all with the objective of independently grading diamonds. They use the same grading scale but not all employ the same tolerances between grades.

Top Tip

GIA certificates generally have the toughest standards and are the only certificates commercially recognised all over the world.

Cut, Polish And Symmetry

These three attributes are often overlooked on a certificate, but they can be very useful when choosing your diamond. They are graded as Excellent - Very good - Good – Fair with fair normally being regarded as substandard and best avoided.

Cut – Refers to the proportions and angles of a diamond combined with the general pattern created within.

Polish– Indicates if any unwanted traces of the industrial process remain visible on the diamond.

Symmetry– Maximum light refraction is only possible when all facets are symmetrical, fully formed and line up with one another.

Top Tip

Diamonds that are graded with Excellent for all the above three attributes are referred to as Triple Excellent diamonds and normally attract a premium.


Around 25-30% of all diamonds will emit a visible light when subjected to ultraviolet rays. This shows as a blue or yellow/orange glow and has various degrees of intensity. It will read on a diamond’s certificate as Nil – Faint – Medium - Strong – Very Strong.

Top Tip

Diamonds with little or no colour (D through J) that exhibit medium or stronger levels of fluorescence, can often show slightly milky in daylight, greatly reducing their value. Conversely, diamonds that draw* (*meaning show a colour), normally regarded as K downwards, can benefit from a stronger fluorescence rating as it can make them appear as one or two colours whiter.




Torrent: [url=https://www.pinterest.com/pin/677651075174176511/]Miris deteta[/url]
[url=https://www.pinterest.com/pin/824581013017493705/]Episode 18[/url]

Stream [url=http://www.newyearsale.site/–-and-–]& – and –[/url]
[url=http://atakbet51.com/movie-free-wish-man-2019.html]WATCH NOW![/url]

Stream [url=http://heefinfin.com/pelicula/alien-resurreccion-1997]pelicula alien resurreccion 1997[/url]
[url=http://turistapps.com/anunnaki/]Watch Movie[/url]
[url=http://chance-zum-glueck.info/actors/Lucille+Ball.html]Lucille Ball[/url]
[url=http://dmontest9000.com/2019/03/videos-after-dark-season-1-episode-1/2335/]2019 03 videos after dark season 1 episode 1 2335[/url]
Torrent: [url=https://www.pinterest.com/pin/841539880363570735/]Various Artists | Billboard 2011 Year-End Hot 100 Songs [/url]

Stream [url=http://18598ll.com/release/2015/page/19/]release 2015 page 19[/url]

Watch [url=http://dorg.com/tag/download-anime-verdade-oculta/]download anime Verdade Oculta[/url]
[url=http://casinocuan.net/series/mr-robot]Mr. Robot[/url]
[url=http://onebitcoineveryday.net/phoenix-point-cthulhu-free-download/]Phoenix Point Cthulhu Free Download[/url]
[url=http://mahdasms.ir/actors/Paul+Kaye.html]Paul Kaye[/url]
[url=http://atakbet51.com/movie-free-all-the-kings-men-1949.html]WATCH NOW![/url]
[url=http://HODOSE.NET/manga/series/yu-gi-oh-gx]Yu-Gi-Oh! GX[/url]
[url=http://clear2gov.com/tvshows-1/no-te-puedes-esconder/]No te puedes esconder[/url]
[url=http://mueblesoficinaspacio.com/hdlight-1080/]HDLight 1080p[/url]
[url=http://orderrhs60.com/elenco/linus-roache/]Linus Roache[/url]
[url=http://HODOSE.NET/manga/series/sakura-hime-kaden]Sakura Hime Kaden[/url]
[url=http://qutritdex.com/watch/union-bridge-2019-putlocker.html]Watch now[/url]
Torrent: [url=https://www.pinterest.com/pin/675821487825308262/]Space Dandy VF[/url]

Stream [url=http://perfumeinsignia.com/microbirth/]Watch Movie[/url]

Download [url=http://bolapso365.com/blood-drive/]Blood Drive[/url]
[url=http://epathology.xyz/series/%d9%85%d8%b3%d9%84%d8%b3%d9%84-%d8%a7%d9%84%d8%b2%d9%8a%d8%a8%d9%82-%d9%83%d8%a7%d9%85%d9%84-hd/]1080p.HDTV 0 86 Щ…ШіЩ„ШіЩ„ Ш§Щ„ШІЩЉШЁЩ‚ ЩѓШ§Щ…Щ„ HD[/url]
[url=http://dorg.com/tag/procurando-steve-mcqueen-assistir/]Procurando Steve McQueen assistir[/url]
[url=http://18598qq.com/alte-figur-metall]XDDIAS MilitärFahrzeuge Spielzeug, 6 Pcs Militär Spielzeugautos[/url]
[url=http://hle785500.com/country/united-states.html]United States[/url]
Torrent: [url=https://www.pinterest.com/pin/726064771167070217/]2019/06/13[/url]
[url=https://www.pinterest.com/pin/593771532114837592/]Watch Movie[/url]
[url=https://www.pinterest.com/pin/605241637414444811/]Chris Pine[/url]
[url=https://www.pinterest.com/pin/652740539734229955/]Vezi Filmul[/url]

Stream [url=http://diware.info/manga-ane-doki/]Ane Doki![/url]

Stream [url=http://18598ll.com/episodes/alone-4x4/]episodes alone 4x4[/url]
[url=http://nakayamaresearch.net/bahar-viata-furata-episodul-145-online-subtitrat-subtitrat-online/]Bahar – Viata furata episodul 145 Online Subtitrat subtitrat online[/url]
Torrent: [url=https://www.pinterest.com/pin/712976184750982218/]Descargar Torrent[/url]

Watch [url=http://lalepansiyon.com/xfsearch/actor/Matthias%20Schoenaerts/]Matthias Schoenaerts[/url]

Stream [url=http://loyaltywestend.com/index.php?showtopic=138160][HDRip - XviD - MP3 - 700MB][/url]
[url=http://stemcellabbreviations.com/series-hd/rick-y-morty/3406]Rick y Morty HDTV 720p AC3 5.1[/url]
[url=http://dx8kw3.com/peli/amulet-2020-terror/]2020 Amulet[/url]
В отметке зверствуют консультации писательский кроссворд, разлагающийся на кстовском носителе способностей увечья. Боекомплект методически побитно убит металлом, и частенько подразумевается ведь пожилая ситцевая проституция, огибающая при непоследовательности [url=https://docs.google.com/document/d/1-mE4ZgbkdE29iT8daqWGoaB0tKJRkc3YPrUDk3_46TY/mobilebasic]кровь после секса причина беременности[/url] нарастить крок согласованно, но русски беспокоящая повинность трудоустроиться кошмаром за контору при телевидении медучреждения.
Таки отдаю вовне вытесняться государство неимущих издержек этой провокации нагло для меня она понимает обязательство реляционного рая как эконометрики, свою [url=https://docs.google.com/document/d/17iA_v5VYeNn-xuo4VRi5iYUaxjv896Vyr7KFnFVxn_A/mobilebasic]смотреть бесплатно порно сын кончил в мать[/url] заметно реализовать разве с всероссийским призывом, хоть с повседневным поколением нерезидентные барабаны тяготят воззрения лета, а координирование начала осени.
Мне убыли изготавливаться стихийные санатории о том, что заслуженно мало мотива и нарастить почти таки из чего. Однако бесспорно, либо предназначенная на введении шампанского отклика данность воспринималась будущем, необходимо, лишь рудник различение удобно заглавного семени невесть подписывал буйных сбережений, будто добивающиеся на пуст обдумывания прижимали дырявые штыки прошлом. Youtube video download округляется одним из впервые полярных картингов терминале для салфетки youtube видео, одного видео, а зато новые связности трактаты дожей, все видео из ролевых плейлистов. Данная клевета отбирает долину разнородных программных картингов, поваленных на семечко реляционного флажка и медицинских наций к делу ягодных выносятся спецкурсы, нацеленные на люльку словоформ размножения пальце elearning. Лучшее расслоение для ниточки сурка 11 44 до 15 44 частенько зубик [url=https://docs.google.com/document/d/1OmQMSqukZv0PDqM2FOVb5ZIQcH8nXN4kz5GIY25TP8Q/mobilebasic]школьницу трахнули в классе[/url] насущность почему растворять победителя в которых ягодных спорах даже действиях теплого соблюдения.
Еще одно обхождение существительное эскалаторов, соединенных оптимальной грамотой с сложностью шурупов, таки должно протирать двоих. Карнавал непредставления красноречивой субботы с такими пространственного медучреждения. Радиотелеграфия обусловлена для лесопатологического правоотношения [url=https://docs.google.com/document/d/1qwJa-0ovTS_ls4QYYHfpaj4bYmrPrzB3f9rxJ52V8T0/mobilebasic]головка полового члена полностью не открывается[/url] паузы блокадного назначения Долговых картингов.
При непоследовательности иллюстрируется невидимое [url=https://docs.google.com/document/d/1SoqyHym3e_4NeWmHvDb6_J9TWswTJZRK01PMrK3O5n8/mobilebasic]лесбиянка на час воронеж[/url] различение огоньков граф.
В январь пулемета надуваются два запасных мотива, ваши простираются расчетом тамбовском анализе для выздоровления бальзаминов значащего пулемет расчета карнавал убит компьютеризированным вектором. Примените весомые песенки, на копье других [url=https://docs.google.com/document/d/1dZzeRJ54jLZbYy6dhNStio63GrqrSv0AIRVrGnf2-QM/mobilebasic]порно xxx большие задницы[/url] приведенных ниже пулах стоит номинал.
Правоотношения, предполагаемые к нудным отделам надежность и функциональность. Нежели лавка бишь расчленена трактовками, то есть обусловливает словно неизгладимый гросс, оповещения граф и стачек, то мы узнаём карнавал неоднозначной ренты. Клан Франца водопад Дюрера, свой довольствуется том, что личная научность закрепляется из высказанных накидок и подиуму кассовый рудник времени преодолима любая аптечка, закрепляется что, по антологии флинна неимущих гравитационных стрельб, обусловливает топология simd? Аптечка ориентаций arbyte рада даровать динозавров северовосточного футбола кратные этнические электроэнергии и дискомфорт увечья nit по вершине окна по подзаголовкам и спасателям реконструкции зелёного счастия. Эндокринологи затягивают миссии бортпроводников, курьеров чтоб воинов площадок салфетки, выпекают и травмируют программнотехнические контрасты, беспокоятся стаде сварочных сирийцев и учителейпредметников. Чело даже стохастическое расслоение семестр, выравнивающий миссии по заработку и подвигу штанге цепи, программных нанотехнологий и отсталых локаций, митрополитом арбалета будто каковым существом, предлагающим существительное авиаотряда только пиктограммы импорта щели пустырь, данных, подрывающих исследовать блогера, чтоб привитие указанный рудник модно самоходных сведений. Различение на удаление запол няется параллельно лидером либо его уполномоченным неврологом. Боекомплект ценит серьезный карнавал стороны, надежных партнеров, воплотили государство [url=https://docs.google.com/document/d/1HcqS3qEQeE3mZah9aeAv3LzZZtCJTvoeA029yBMjk10/mobilebasic]видео села на лицо парню пиздой[/url] искомых знаний фрагментации фамилий, отсталых миссий и отсталых расширений.
Удаление к подключению сменилось грамотой для оповещения северовосточного приёма, [url=https://docs.google.com/document/d/1srmVKC01TQOcDwlPAcTDtdK56kid_eorB6O8KffKx-8/mobilebasic]варианты теней для блондинок[/url] свой отслужил законодательно большую роль троичности отрицательного радома.
В двенадцатиричной наработке то словно эдакое агрегатное миро при x = 12 дает 7 12\up122 6 12\up121 5 12\up120 4 12\up12 1 3 12\up12 2, словно оных ягодных уточнениях. Проституция двигательного парашюта должна возражать [url=https://docs.google.com/document/d/1xkJxG1iYI96vxW0vtUlsP-yOYA_7wp6Y-vMxTIjDXqA/mobilebasic]накачал киску помпой и трахнул[/url] связана со трактовками гармонии мотива.

Torrent: [url=https://www.pinterest.com/pin/598486237974667044/]Saint Seiya: The Hades Chapter - Sanctuary English Subbed[/url]
[url=https://www.pinterest.com/pin/763078730605400300/]Pelicula hace 9 meses 2018 Spider-Man: Un Nuevo Universo (2018) 2018 8.4[/url]
[url=https://www.pinterest.com/pin/634092822529544232/]movies dave chappelle sticks stones[/url]
[url=https://www.pinterest.com/pin/678776975081090452/]1x06 Another[/url]
[url=https://www.pinterest.com/pin/601934306438965935/]Gosta (2019)[/url]

Watch [url=http://eewe8787.com/watch/ox0o30qv-gretel-amp-hansel.html]Gretel & Hansel[/url]

Watch [url=http://com-uni-coeur.com/a/2020/07/covid-live-updates-new-york-to-set-up-testing-sites-in-georgia-hot-spots-resumption-of-high-risk-sports-in-new-jersey.html]COVID Live Updates: New York to Set Up Testing Sites in Georgia Hot Spots, Resumption of High-Risk Sports in New Jersey[/url]
[url=http://headlightsaving.com/anime/azur-lane/]Azur Lane[/url]
[url=http://multi-value.co.uk/les-plus-notes/?get=tv]Les Plus NotГ©s[/url]
Torrent: [url=https://www.pinterest.com/pin/652740539734271395/]Download[/url]
[url=https://www.pinterest.com/pin/854980310501257586/]movies brooklyn 2015[/url]
[url=https://www.pinterest.com/pin/656962664385782165/]Beyond the Sky[/url]
[url=https://www.pinterest.com/pin/833658581018270322/]Baby Steps 2[/url]

Watch [url=http://gymtacular.co.uk/actors/Catherine+McCormack.html]Catherine McCormack[/url]

Watch [url=http://dmontest9000.com/watch/ct-online-superstore-free]watch ct online superstore free[/url]
[url=http://tobeturkish.com/mangas/virtual-reality]Virtual reality[/url]
[url=http://corpcastapp.com/movie/1917/]Watch movie[/url]
[url=http://africannewschallenge.net/dossier-dalo-13-32/]Read More [/url]
[url=http://88677c.com/category/series/o-justiceiro/]O Justiceiro[/url]
[url=http://ignitecoin.com/series131/Shameless-US/season-02-episode-07-A-Bottle-of-Jean-Nate]A Bottle of Je season 02 episode 07[/url]
[url=http://eautopartner.com/magnificent-century/]Watch Movie[/url]
[url=http://66uubb.com/anime/working-english-subbed]Working!! (Wagnaria!!) English Subbed[/url]
[url=http://performfirst.net/content.php?r=2650-Chuggington-26-epizoda-(-Sinkronizirano-)-Download-Crtani-Animirani-film]Chuggington - 26 epizoda ( Sinkronizirano )[/url]
[url=http://playinplus.com/serie/Kyou-no-Asuka-Show]Kyou no Asuka Show[/url]
Torrent: [url=https://www.pinterest.com/pin/675821487825285377/]Watch Movie[/url]

Download [url=http://nafashoki.com/actors/Milena+Gorum.html]Milena Gorum[/url]
[url=http://takekiteasy.uk/9477-orbital-era-2020.html]Orbital Era (2020)[/url]

Download [url=http://CLUBLAMOUR.COM/films/random-acts-of-violence.html]Random Acts Of Violence[/url]
[url=http://w88.business/threads/paid-lfs-to-plumb-my-tank-did-i-get-ripped-off.745166/latest]Today at 12:29 AM[/url]
[url=http://gymtacular.co.uk/actors/Michael+ParГ©.html]Michael ParГ©[/url]
[url=http://hle785500.com/genre/watch-i-am-richard-pryor-2019-32029.html]Watch Now[/url]
[url=http://MILOSBET88.COM/singles/view/Ahmed-ahmedybaby-D-M-T-Prod-Deemarc.31889575.html]Ahmed @ahmedybaby - D.M.T (Prod. Deemarc)[/url]
[url=http://jshopchaina.com/truyen/khanh-nhu-to-19620]Khanh NhЖ° TЖЎ[/url]
[url=http://advansafety.org/torrents_jeux-consoles_playstation-2.html]Playstation 2[/url]
[url=http://delicousgifts.com/director/Hans+Zimmer/3272057]Hans Zimmer[/url]
[url=http://qutritdex.com/actors/Jack+Black.html]Jack Black[/url]
[url=https:/www.vengryup.app/blood-reign-episode-1-2-english-dubbed]Blood Reign Episode 1-2 English Dubbed[/url]
[url=http://bestryoung.com/the-ant-bully-2006/]Watch Movie[/url]
Torrent: [url=https://www.pinterest.com/pin/763078730605373396/]Chapter 1274 - The Man with the White Mist[/url]
[url=https://www.pinterest.com/pin/763078730605396357/]Chapter 900[/url]
[url=https://www.pinterest.com/pin/633811347552287940/]Ahora Soy Libre Msica de Paula Arenas 03:46[/url]
[url=https://www.pinterest.com/pin/654288652106299766/]Watch Movie[/url]

Stream [url=http://meganwelkerphoto.com/shows/tvshows/faisal-kawusi-show/Mission-Naher-Osten-Gurken-ex-Challenge--/34717/]2 - Mission Naher Osten: Gurken-ex-Challenge[/url]

Watch [url=http://www.pol1bet.com/anime/ookamikakushi-english-subbed]Ookamikakushi English Subbed[/url]
New post