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 €629 EUR
$703 USD
As of October 30, 2026
Save €4,831 EUR (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €5,460 EUR 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 €629 to €5,460, a €4,831 spread on the same certified stone. Brilliant Earth lists it at €5,460. 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

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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: €5,460 EUR|Low: €629 EUR|High: €6,856 EUR|Avg: €1,834 EUR|-20.4%
Brilliant Earth
Retailer 2
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Retailer 19
November 1, 2026
Retailer 3€629 EUR
Retailer 15€684 EUR
Retailer 5€729 EUR
Retailer 18€729 EUR
Retailer 19€807 EUR
Retailer 14€886 EUR
Retailer 6€1,141 EUR
Retailer 12€1,169 EUR
Retailer 9€1,185 EUR
Retailer 13€1,225 EUR
Retailer 7€1,688 EUR
Retailer 16€1,797 EUR
Retailer 4€2,052 EUR
Retailer 8€2,264 EUR
Retailer 10€2,488 EUR
Retailer 11€2,516 EUR
Retailer 2€2,865 EUR
Retailer 17€3,048 EUR
Brilliant Earth€5,460 EUR

38 data points across 19 retailers

19 retailers€629 EUR to €5,460 EUR

A
Cheapest Retailer
-
€629 EUR
$703 USD
A
Retailer 2
-
€684 EUR
$764 USD
View
A
Retailer 3
-
€729 EUR
$815 USD
View
Retailer 4
-
€729 EUR
$815 USD
View
Price last confirmed 15 days ago
Retailer 5
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€807 EUR
£710 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
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€886 EUR
$990 USD
View
A
Retailer 7
-
€1,141 EUR
$1,275 USD
View
A
Retailer 8
-
€1,169 EUR
£1,029 GBP
View
B+
Retailer 9
-
€1,185 EUR
$1,324 USD
View
A
Retailer 10
-
€1,225 EUR
View
B+
Retailer 11
-
€1,688 EUR
$1,886 USD
View
B+
Retailer 12
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€1,797 EUR
$2,008 USD
View
B+
Retailer 13
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€2,052 EUR
$2,292 USD
View
B+
Retailer 14
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€2,264 EUR
£1,992 GBP
View
B+
Retailer 15
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€2,488 EUR
$2,780 USD
View
Retailer 16
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€2,516 EUR
$2,810 USD
View
Price last confirmed 14 days ago
B+
Retailer 17
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€2,865 EUR
£2,520 GBP
View
Retailer 18
-
€3,048 EUR
$3,405 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
10584130A · Oct 31
€5,460 EUR
$6,100 USD
View
18 more retailers have this diamond
Prices start from €629 EURSave up to €4,831 EUR

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
€629 EUR