Radiant|Lab Grown|IGI

12.63ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG618403861

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

Certificate IGI LG618403861

Diamond specifications and retailer prices

From $2,695 USD
£2,122 GBP
As of November 1, 2026
Save $17,825 USD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $20,520 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.63ct lab-grown radiant diamond

This 12.63ct 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 LG618403861 or 618403861. Listed at 20 retailers as of October 31, 2026, with prices from $2,695 to $20,520, a $17,825 spread on the same certified stone. Brilliant Earth lists it at $20,520. 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

12.63
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618403861
Dimensions11.00 × 11.00 × 7.45 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.00 mm11.00 mm12.63 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618403861
Side View
Table 68.0%Crown 45.7°Girdle: MED-STKPavilion 29.6°Culet: NoneDepth 67.7%

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: Nov 1
Current: $20,520 USD|Low: $2,694 USD|High: $20,520 USD|Avg: $5,777 USD
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
November 1, 2026
Retailer 2$2,695 USD
Retailer 17$2,893 USD
Retailer 6$3,240 USD
Retailer 3$3,356 USD
Retailer 8$3,356 USD
Retailer 14$3,360 USD
Retailer 9$3,803 USD
Retailer 16$4,300 USD
Retailer 10$4,497 USD
Retailer 5$4,612 USD
Retailer 4$5,217 USD
Retailer 12$5,316 USD
Retailer 15$8,015 USD
Retailer 11$9,030 USD
Retailer 7$9,331 USD
Retailer 13$9,976 USD
Brilliant Earth$20,520 USD

38 data points across 17 retailers

20 retailers$2,695 USD to $20,520 USD

A
Cheapest Retailer
-
$2,695 USD
£2,122 GBP
Retailer 2
-
$2,893 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$3,147 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$3,240 USD
View
Final sale: no returns
Retailer 5
-
$3,356 USD
View
Price last confirmed 20 days ago
Retailer 6
-
$3,356 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$3,360 USD
View
A
Retailer 8
-
$3,803 USD
View
A
Retailer 9
-
$4,300 USD
View
B+
Retailer 10
-
$4,497 USD
£3,541 GBP
View
Retailer 11
-
$4,612 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$5,217 USD
View
B+
Retailer 13
-
$5,316 USD
€5,063 EUR
View
B+
Retailer 14
-
$5,791 USD
£4,560 GBP
View
B
Retailer 15
-
$8,015 USD
View
B
Retailer 16
-
$9,030 USD
A$13,893 AUD
View
B
Retailer 17
-
$9,331 USD
View
B
Retailer 18
-
$9,976 USD
View
B
Retailer 19
-
$11,690 USD
View
Most Expensive
B
Brilliant Earth
20601945A · Oct 31
$20,520 USD
View
19 more retailers have this diamond
Prices start from $2,695 USDSave up to $17,825 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
12.63ct Radiant
$2,695 USD