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Radiant|Lab Grown|IGI

5.12ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG665443147

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

Certificate IGI LG665443147

Diamond specifications and retailer prices

From €649 EUR
$725 USD
As of October 30, 2026
Save €3,307 EUR (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,956 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 LG665443147 or 665443147. Listed at 24 retailers as of October 30, 2026, with prices from €649 to €3,956, a €3,307 spread on the same certified stone. Brilliant Earth lists it at €3,956. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665443147
Dimensions12.65 × 8.47 × 5.58 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.65 mm8.47 mm5.12 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665443147
Side View
Table 66.0%Crown 41.3°Girdle: MediumPavilion 34.6°Culet: NoneDepth 65.9%

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: €3,956 EUR|Low: €617 EUR|High: €3,956 EUR|Avg: €1,836 EUR
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 4€649 EUR
Retailer 3€706 EUR
Retailer 12€720 EUR
Retailer 9€753 EUR
Retailer 10€753 EUR
Retailer 13€828 EUR
Retailer 21€909 EUR
Retailer 17€1,200 EUR
Retailer 15€1,207 EUR
Retailer 20€1,221 EUR
Retailer 19€1,663 EUR
Retailer 5€1,695 EUR
Retailer 6€2,116 EUR
Retailer 7€2,333 EUR
Retailer 16€2,566 EUR
Retailer 14€2,582 EUR
Retailer 8€2,594 EUR
Retailer 2€2,954 EUR
Retailer 11€2,982 EUR
Retailer 18€3,097 EUR
Brilliant Earth€3,956 EUR

39 data points across 21 retailers

24 retailers€649 EUR to €3,956 EUR

A
Cheapest Retailer
-
€649 EUR
$725 USD
A
Retailer 2
-
€706 EUR
$789 USD
View
A
Retailer 3
-
€720 EUR
$804 USD
View
Final sale: no returns
A
Retailer 4
-
€753 EUR
$841 USD
View
Retailer 5
-
€753 EUR
$841 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€828 EUR
£729 GBP
View
A
Retailer 7
-
€894 EUR
HK$7,800 HKD
View
A
Retailer 8
-
€909 EUR
$1,015 USD
View
A
Retailer 9
-
€1,200 EUR
View
A
Retailer 10
-
€1,207 EUR
£1,062 GBP
View
B+
Retailer 11
-
€1,221 EUR
$1,364 USD
View
B+
Retailer 12
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€1,663 EUR
$1,858 USD
View
B+
Retailer 13
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€1,695 EUR
$1,894 USD
View
B+
Retailer 14
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€2,116 EUR
$2,364 USD
View
B+
Retailer 15
-
€2,333 EUR
£2,052 GBP
View
B
Retailer 16
-
€2,490 EUR
$2,782 USD
View
B
Retailer 17
-
€2,566 EUR
$2,867 USD
View
B
Retailer 18
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€2,582 EUR
SGD 3,898 SGD
View
Retailer 19
-
€2,594 EUR
$2,898 USD
View
Price last confirmed 14 days ago
B
Retailer 20
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€2,954 EUR
£2,599 GBP
View
Retailer 21
-
€2,982 EUR
A$5,126 AUD
View
Price last confirmed 24 days ago
Retailer 22
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€3,097 EUR
$3,460 USD
View
Price last confirmed 13 days ago
B
Retailer 23
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€3,653 EUR
$4,081 USD
View
Most Expensive
B
Brilliant Earth
18299241A · Oct 31
€3,956 EUR
$4,420 USD
View
23 more retailers have this diamond
Prices start from €649 EURSave up to €3,307 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
€649 EUR