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Radiant|Lab Grown|IGI

3.12ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG810615882

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

Certificate IGI LG810615882

Diamond specifications and retailer prices

From $515 USD
As of October 27, 2026
Save $2,153 USD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,668 USD at MOH London · As of October 26, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG810615882 or 810615882. Listed at 20 retailers as of October 26, 2026, with prices from $515 to $2,668, a $2,153 spread on the same certified stone. MOH London lists it at $2,668. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle26.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810615882
Dimensions10.55 × 7.00 × 4.58 mm
L/W Ratio1.51
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.55 mm7.00 mm3.12 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810615882
Side View
Table 68.0%Crown 39.1°Girdle: MediumPavilion 26.8°Culet: NoneDepth 65.4%

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 27
Current: $2,668 USD|Low: $472 USD|High: $2,678 USD|Avg: $1,293 USD|+3.5%
MOH London
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 4$515 USD
Retailer 5$575 USD
Retailer 18$577 USD
Retailer 10$635 USD
Retailer 11$635 USD
Retailer 17$775 USD
Retailer 8$923 USD
Retailer 2$989 USD
Retailer 6$991 USD
Retailer 14$1,348 USD
Retailer 15$1,386 USD
Retailer 19$1,481 USD
Retailer 12$1,648 USD
Retailer 9$1,670 USD
Retailer 3$1,859 USD
Retailer 7$2,077 USD
Retailer 16$2,198 USD
Retailer 13$2,368 USD
MOH London$2,668 USD

30 data points across 19 retailers

20 retailers$515 USD to $2,668 USD

A
Cheapest Retailer
-
$515 USD
A
Retailer 2
-
$575 USD
View
Final sale: no returns
A
Retailer 3
-
$577 USD
View
Retailer 4
-
$635 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$635 USD
View
A
Retailer 6
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$638 USD
View
A
Retailer 7
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$775 USD
View
A
Retailer 8
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$923 USD
View
A
Retailer 9
-
$989 USD
£779 GBP
View
A
Retailer 10
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$991 USD
View
A
Retailer 11
-
$1,348 USD
A$2,074 AUD
View
A
Retailer 12
-
$1,386 USD
ZAR 22,390 ZAR
View
A
Retailer 13
-
$1,481 USD
View
B+
Retailer 14
-
$1,648 USD
View
Retailer 15
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$1,670 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
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$1,859 USD
£1,464 GBP
View
B+
Retailer 17
-
$2,077 USD
View
B+
Retailer 18
-
$2,198 USD
View
B+
Retailer 19
-
$2,368 USD
View
Most Expensive
B
MOH London
LG810615882 · Oct 26
$2,668 USD
£2,101 GBP
View
19 more retailers have this diamond
Prices start from $515 USDSave up to $2,153 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
3.12ct Radiant
$515 USD