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 $3,447 SGD
£2,122 GBP
As of November 2, 2026
Save $22,796 SGD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $26,243 SGD at Brilliant Earth · As of November 2, 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 November 2, 2026, with prices from $3,447 to $26,243, a $22,796 spread on the same certified stone. Brilliant Earth lists it at $26,243. 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
Colour
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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Price History

Last verified: Nov 2
Current: $26,243 SGD|Low: $3,446 SGD|High: $26,243 SGD|Avg: $7,629 SGD
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
November 3, 2026
Retailer 11$3,447 SGD
Retailer 16$3,700 SGD
Retailer 6$4,144 SGD
Retailer 3$4,292 SGD
Retailer 8$4,292 SGD
Retailer 14$4,297 SGD
Retailer 9$5,533 SGD
Retailer 2$5,742 SGD
Retailer 5$5,898 SGD
Retailer 4$6,672 SGD
Retailer 10$6,797 SGD
Retailer 15$10,250 SGD
Retailer 12$11,549 SGD
Retailer 7$11,934 SGD
Retailer 13$12,758 SGD
Brilliant Earth$26,243 SGD

37 data points across 16 retailers

20 retailers$3,447 SGD to $26,243 SGD

A
Cheapest Retailer
-
$3,447 SGD
£2,122 GBP
Retailer 2
-
$3,700 SGD
$2,893 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$4,025 SGD
$3,147 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$4,144 SGD
$3,240 USD
View
Final sale: no returns
Retailer 5
-
$4,292 SGD
$3,356 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$4,292 SGD
$3,356 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$4,297 SGD
$3,360 USD
View
A
Retailer 8
-
$4,864 SGD
$3,803 USD
View
A
Retailer 9
-
$5,533 SGD
$4,326 USD
View
B+
Retailer 10
-
$5,742 SGD
£3,535 GBP
View
Retailer 11
-
$5,898 SGD
$4,612 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$6,672 SGD
$5,217 USD
View
B+
Retailer 13
-
$6,797 SGD
€5,062 EUR
View
B+
Retailer 14
-
$7,406 SGD
£4,560 GBP
View
B
Retailer 15
-
$10,250 SGD
$8,015 USD
View
B
Retailer 16
-
$11,549 SGD
A$13,893 AUD
View
B
Retailer 17
-
$11,934 SGD
$9,331 USD
View
B
Retailer 18
-
$12,758 SGD
$9,976 USD
View
B
Retailer 19
-
$14,951 SGD
$11,690 USD
View
Most Expensive
B
Brilliant Earth
20601945A · Nov 2
$26,243 SGD
$20,520 USD
View
19 more retailers have this diamond
Prices start from $3,447 SGDSave up to $22,796 SGD

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
$3,447 SGD