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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 €644 EUR
$720 USD
As of October 31, 2026
Save €2,981 EUR (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,625 EUR 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 €644 to €3,625, a €2,981 spread on the same certified stone. Do Amore Diamonds lists it at €3,625. 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: €3,625 EUR|Low: €644 EUR|High: €3,625 EUR|Avg: €1,484 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6€644 EUR
Retailer 3€650 EUR
Retailer 8€776 EUR
Retailer 7€793 EUR
Retailer 9€859 EUR
Retailer 4€1,214 EUR
Retailer 10€1,514 EUR
Retailer 5€1,741 EUR
Retailer 11€1,925 EUR
Retailer 2€2,346 EUR
Do Amore Diamonds€3,625 EUR

18 data points across 11 retailers

9 retailers€644 EUR to €3,625 EUR

A
Cheapest Retailer
-
€644 EUR
$720 USD
A
Retailer 2
-
€776 EUR
$867 USD
View
B+
Retailer 3
-
€793 EUR
$886 USD
View
A
Retailer 4
-
€859 EUR
$960 USD
View
A
Retailer 5
-
€1,214 EUR
ZAR 21,903 ZAR
View
B+
Retailer 6
-
€1,741 EUR
$1,945 USD
View
B+
Retailer 7
-
€1,925 EUR
$2,150 USD
View
B+
Retailer 8
-
€2,346 EUR
£2,064 GBP
View
Most Expensive
B
Do Amore Diamonds
27-80F78B85C · Oct 31
€3,625 EUR
$4,050 USD
View
8 more retailers have this diamond
Prices start from €644 EURSave up to €2,981 EUR

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
€644 EUR