Radiant|Lab Grown|IGI

5.12ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG639408891

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG639408891

Diamond specifications and retailer prices

From $703 USD
As of October 30, 2026
Save $5,397 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,100 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.12ct lab-grown radiant diamond

This 5.12ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG639408891 or 639408891. Listed at 19 retailers as of October 30, 2026, with prices from $703 to $6,100, a $5,397 spread on the same certified stone. Brilliant Earth lists it at $6,100. 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

5.12
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639408891
Dimensions12.10 × 8.59 × 5.78 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.10 mm8.59 mm5.12 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639408891
Side View
Table 64.0%Crown 32.2°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.3%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $6,100 USD|Low: $703 USD|High: $7,660 USD|Avg: $2,048 USD|-20.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 3$703 USD
Retailer 15$764 USD
Retailer 5$815 USD
Retailer 18$815 USD
Retailer 19$902 USD
Retailer 14$990 USD
Retailer 6$1,275 USD
Retailer 2$1,306 USD
Retailer 9$1,324 USD
Retailer 12$1,368 USD
Retailer 7$1,886 USD
Retailer 16$2,008 USD
Retailer 4$2,292 USD
Retailer 8$2,530 USD
Retailer 10$2,780 USD
Retailer 11$2,810 USD
Retailer 13$3,218 USD
Retailer 17$3,405 USD
Brilliant Earth$6,100 USD

39 data points across 19 retailers

19 retailers$703 USD to $6,100 USD

A
Cheapest Retailer
-
$703 USD
A
Retailer 2
-
$764 USD
View
A
Retailer 3
-
$815 USD
View
Retailer 4
-
$815 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$902 USD
£710 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$990 USD
View
A
Retailer 7
-
$1,275 USD
View
A
Retailer 8
-
$1,306 USD
£1,029 GBP
View
B+
Retailer 9
-
$1,324 USD
View
A
Retailer 10
-
$1,368 USD
€1,303 EUR
View
B+
Retailer 11
-
$1,886 USD
View
B+
Retailer 12
-
$2,008 USD
View
B+
Retailer 13
-
$2,292 USD
View
B+
Retailer 14
-
$2,530 USD
£1,992 GBP
View
B+
Retailer 15
-
$2,780 USD
View
Retailer 16
-
$2,810 USD
View
Price last confirmed 13 days ago
B+
Retailer 17
-
$3,218 USD
£2,534 GBP
View
Retailer 18
-
$3,405 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
10584130A · Oct 31
$6,100 USD
View
18 more retailers have this diamond
Prices start from $703 USDSave up to $5,397 USD

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
5.12ct Radiant
$703 USD