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Round|Lab Grown|IGI

6.12ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG780663287

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780663287

Diamond specifications and retailer prices

From £11,032 GBP
$14,782 USD
As of November 1, 2026
Save £25,143 GBP (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £36,175 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 6.12ct lab-grown round diamond

This 6.12ct lab-grown round sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780663287 or 780663287. Listed at 12 retailers as of October 27, 2026, with prices from £11,032 to £36,175, a £25,143 spread on the same certified stone. Wholesale Diamonds Direct lists it at £36,175. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.12
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663287
Dimensions11.68 × 11.74 × 7.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.68 mm11.74 mm6.12 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663287
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £14,616 GBP|Low: £10,575 GBP|High: £38,185 GBP|Avg: £20,977 GBP|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 1, 2026
Retailer 9£10,575 GBP
Retailer 10£11,032 GBP
Retailer 12£11,782 GBP
Retailer 11£13,289 GBP
Retailer 1£14,616 GBP
Retailer 6£17,666 GBP
Retailer 8£20,497 GBP
Retailer 5£22,002 GBP
Retailer 4£23,275 GBP
Retailer 2£23,454 GBP
Retailer 7£25,117 GBP
Retailer 3£32,909 GBP
Wholesale Diamonds Direct£36,175 GBP

40 data points across 13 retailers

12 retailers£11,032 GBP to £36,175 GBP

Retailer 1
-
£10,575 GBP
$14,170 USD
Price last confirmed 10 days ago
A
Retailer 2
-
£11,032 GBP
$14,782 USD
View
A
Retailer 3
-
£11,782 GBP
$15,787 USD
View
A
Retailer 4
-
£13,289 GBP
$17,806 USD
View
B+
Retailer 5
-
£14,616 GBP
View
B+
Retailer 6
-
£17,666 GBP
$23,670 USD
View
B+
Retailer 7
-
£20,497 GBP
View
B+
Retailer 8
-
£22,002 GBP
€28,076 EUR
View
B+
Retailer 9
-
£23,454 GBP
$31,426 USD
View
B+
Retailer 10
-
£25,117 GBP
ZAR 543,681 ZAR
View
B
Retailer 11
-
£32,909 GBP
$44,094 USD
View
Most Expensive
B
Wholesale Diamonds Direct
261323021 · Oct 27
£36,175 GBP
$48,470 USD
View
11 more retailers have this diamond
Prices start from £11,032 GBPSave up to £25,143 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.12ct Round
£11,032 GBP