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Cushion|Lab Grown|IGI

3.12ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG557237375

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

Certificate IGI LG557237375

Diamond specifications and retailer prices

From €511 EUR
As of November 4, 2026
Save €3,534 EUR (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,045 EUR at Do Amore Diamonds · As of November 4, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG557237375 or 557237375. Listed at 9 retailers as of November 4, 2026, with prices from €511 to €4,045, a €3,534 spread on the same certified stone. Do Amore Diamonds lists it at €4,045. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557237375
Dimensions8.55 × 8.47 × 5.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.55 mm8.47 mm3.12 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557237375
Side View
Table 59.5%Crown 35.5°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 67.7%

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: Nov 4
Current: €3,885 EUR|Low: €364 EUR|High: €4,045 EUR|Avg: €1,446 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 6€511 EUR
Retailer 2€658 EUR
Retailer 7€820 EUR
Retailer 8€874 EUR
Retailer 5€877 EUR
Retailer 4€878 EUR
Retailer 3€2,709 EUR
Do Amore Diamonds€3,885 EUR

37 data points across 8 retailers

9 retailers€511 EUR to €4,045 EUR

A
Cheapest Retailer
-
€511 EUR
Final sale: no returns
A
Retailer 2
-
€658 EUR
View
A
Retailer 3
-
€820 EUR
View
A
Retailer 4
-
€874 EUR
View
A
Retailer 5
-
€877 EUR
View
A
Retailer 6
-
€878 EUR
View
B
Retailer 7
-
€2,709 EUR
View
B
Retailer 8
-
€3,885 EUR
View
Most Expensive
B
Do Amore Diamonds
27-3908C0E64 · Nov 4
€4,045 EUR
$4,540 USD
View
8 more retailers have this diamond
Prices start from €511 EURSave up to €3,534 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
€511 EUR