Radiant|Lab Grown|IGI

3.12ct D VS2 Radiant Lab Grown Diamond

EX • D/VS2 • IGI LG821637509

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

Certificate IGI LG821637509

Diamond specifications and retailer prices

From $555 SGD
$433 USD
As of October 27, 2026
Save $2,021 SGD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,576 SGD at Brilliance · As of October 27, 2026
View at Brilliance

About this 3.12ct lab-grown radiant diamond

This 3.12ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821637509 or 821637509. Listed at 17 retailers as of October 27, 2026, with prices from $555 to $2,576, a $2,021 spread on the same certified stone. Brilliance lists it at $2,576. 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

3.12
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821637509
Dimensions10.47 × 7.10 × 4.46 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.47 mm7.10 mm3.12 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821637509
Side View
Table 67.0%Crown 44.9°Girdle: MED-STKPavilion 30.5°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
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 27
Current: $2,576 SGD|Low: $688 SGD|High: $2,614 SGD|Avg: $1,630 SGD
Brilliance
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
October 29, 2026
Retailer 13$688 SGD
Retailer 9$872 SGD
Retailer 8$905 SGD
Retailer 12$923 SGD
Retailer 2$1,132 SGD
Retailer 10$1,149 SGD
Retailer 3$1,675 SGD
Retailer 11$1,930 SGD
Retailer 5$2,012 SGD
Retailer 4$2,183 SGD
Retailer 14$2,212 SGD
Retailer 6$2,253 SGD
Retailer 7$2,541 SGD
Brilliance$2,576 SGD

44 data points across 14 retailers

17 retailers$555 SGD to $2,576 SGD

A
Cheapest Retailer
-
$555 SGD
$433 USD
A
Retailer 2
-
$622 SGD
$485 USD
View
A
Retailer 3
-
$688 SGD
$537 USD
View
A
Retailer 4
-
$688 SGD
$537 USD
View
A
Retailer 5
-
$872 SGD
$680 USD
View
A
Retailer 6
-
$905 SGD
£556 GBP
View
B+
Retailer 7
-
$923 SGD
$720 USD
View
A
Retailer 8
-
$1,132 SGD
£696 GBP
View
A
Retailer 9
-
$1,149 SGD
€854 EUR
View
A
Retailer 10
-
$1,675 SGD
$1,307 USD
View
B+
Retailer 11
-
$1,930 SGD
$1,506 USD
View
B+
Retailer 12
-
$2,012 SGD
£1,236 GBP
View
B+
Retailer 13
-
$2,183 SGD
View
B+
Retailer 14
-
$2,212 SGD
$1,726 USD
View
Retailer 15
-
$2,253 SGD
$1,758 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
$2,541 SGD
£1,561 GBP
View
Most Expensive
B
Brilliance
D44182452 · Oct 27
$2,576 SGD
$2,010 USD
View
16 more retailers have this diamond
Prices start from $555 SGDSave up to $2,021 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
3.12ct Radiant
$555 SGD