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Cushion|Lab Grown|IGI

3.12ct I VVS2 Cushion Lab Grown Diamond

EX • I/VVS2 • IGI LG665402427

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG665402427

Diamond specifications and retailer prices

From $720 USD
As of October 31, 2026
Save $3,330 USD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,050 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown cushion diamond

This 3.12ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG665402427 or 665402427. Listed at 9 retailers as of October 31, 2026, with prices from $720 to $4,050, a $3,330 spread on the same certified stone. Do Amore Diamonds lists it at $4,050. 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
I
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665402427
Dimensions8.64 × 8.42 × 5.45 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.64 mm8.42 mm3.12 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665402427
Side View
Table 61.0%Crown 37.6°Girdle: MED-THKPavilion 37°Culet: NoneDepth 64.7%

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 31
Current: $4,050 USD|Low: $720 USD|High: $4,050 USD|Avg: $1,657 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$720 USD
Retailer 3$726 USD
Retailer 8$867 USD
Retailer 7$886 USD
Retailer 9$960 USD
Retailer 4$1,356 USD
Retailer 10$1,692 USD
Retailer 5$1,945 USD
Retailer 11$2,150 USD
Retailer 2$2,607 USD
Do Amore Diamonds$4,050 USD

19 data points across 11 retailers

9 retailers$720 USD to $4,050 USD

A
Cheapest Retailer
-
$720 USD
A
Retailer 2
-
$867 USD
View
B+
Retailer 3
-
$886 USD
View
A
Retailer 4
-
$960 USD
View
A
Retailer 5
-
$1,356 USD
ZAR 21,903 ZAR
View
B+
Retailer 6
-
$1,945 USD
View
B+
Retailer 7
-
$2,150 USD
View
B+
Retailer 8
-
$2,607 USD
£2,053 GBP
View
Most Expensive
B
Do Amore Diamonds
27-80F78B85C · Oct 31
$4,050 USD
View
8 more retailers have this diamond
Prices start from $720 USDSave up to $3,330 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 Cushion
$720 USD