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Radiant|Lab Grown|IGI

12.70ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG812638491

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

Certificate IGI LG812638491

Diamond specifications and retailer prices

From $4,230 SGD
$3,300 USD
As of October 29, 2026
Save $10,861 SGD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $15,091 SGD at Adiamor · As of October 28, 2026
View at Adiamor

About this 12.7ct lab-grown radiant diamond

This 12.7ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812638491 or 812638491. Listed at 14 retailers as of October 28, 2026, with prices from $4,230 to $15,091, a $10,861 spread on the same certified stone. Adiamor lists it at $15,091. 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

12.70
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812638491
Dimensions15.88 × 11.33 × 7.63 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.88 mm11.33 mm12.70 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812638491
Side View
Table 63.0%Crown 45.8°Girdle: Slightly ThickPavilion 30.1°Culet: NoneDepth 67.3%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $15,091 SGD|Low: $2,977 SGD|High: $15,091 SGD|Avg: $8,273 SGD|+0.0%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3$4,230 SGD
Retailer 4$4,321 SGD
Retailer 5$4,582 SGD
Retailer 6$4,853 SGD
Retailer 2$5,919 SGD
Retailer 7$6,293 SGD
Retailer 12$6,810 SGD
Retailer 11$7,384 SGD
Retailer 8$10,949 SGD
Retailer 9$11,003 SGD
Retailer 10$14,893 SGD
Adiamor$15,091 SGD

42 data points across 12 retailers

14 retailers$4,230 SGD to $15,091 SGD

A
Retailer 1
-
$3,576 SGD
$2,790 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$4,230 SGD
$3,300 USD
View
Final sale: no returns
A
Retailer 3
-
$4,321 SGD
$3,371 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$4,321 SGD
$3,371 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
$4,582 SGD
$3,575 USD
View
A
Retailer 6
-
$4,853 SGD
$3,786 USD
View
A
Retailer 7
-
$5,919 SGD
£3,636 GBP
View
A
Retailer 8
-
$6,293 SGD
$4,910 USD
View
A
Retailer 9
-
$6,810 SGD
$5,313 USD
View
A
Retailer 10
-
$7,384 SGD
£4,536 GBP
View
B+
Retailer 11
-
$10,949 SGD
$8,543 USD
View
B+
Retailer 12
-
$11,003 SGD
$8,585 USD
View
B
Retailer 13
-
$14,893 SGD
$11,620 USD
View
Most Expensive
B
Adiamor
D-82381377 · Oct 28
$15,091 SGD
$11,774 USD
View
13 more retailers have this diamond
Prices start from $4,230 SGDSave up to $10,861 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
12.70ct Radiant
$4,230 SGD