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Cushion|Lab Grown|IGI

3.12ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • IGI LG598370873

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG598370873

Diamond specifications and retailer prices

From €366 EUR
As of November 4, 2026
Save €2,538 EUR (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,904 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 LG598370873 or 598370873. Listed at 10 retailers as of November 4, 2026, with prices from €366 to €2,904, a €2,538 spread on the same certified stone. Do Amore Diamonds lists it at €2,904. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598370873
Dimensions8.54 × 8.18 × 5.26 mm
L/W Ratio1.04
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
8.54 mm8.18 mm3.12 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598370873
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 64.3%

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: Nov 4
Current: €2,904 EUR|Low: €261 EUR|High: €2,904 EUR|Avg: €1,161 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9€366 EUR
Retailer 6€543 EUR
Retailer 8€647 EUR
Retailer 10€688 EUR
Retailer 4€710 EUR
Retailer 11€794 EUR
Retailer 2€974 EUR
Retailer 3€1,303 EUR
Retailer 12€1,573 EUR
Retailer 7€1,666 EUR
Retailer 5€1,746 EUR
Do Amore Diamonds€2,904 EUR

22 data points across 12 retailers

10 retailers€366 EUR to €2,904 EUR

A
Cheapest Retailer
-
€366 EUR
Final sale: no returns
A
Retailer 2
-
€543 EUR
View
B+
Retailer 3
-
€647 EUR
View
A
Retailer 4
-
€688 EUR
View
A
Retailer 5
-
€794 EUR
View
A
Retailer 6
-
€974 EUR
View
B+
Retailer 7
-
€1,573 EUR
View
Retailer 8
-
€1,666 EUR
View
Price last confirmed 31 days ago
B+
Retailer 9
-
€1,746 EUR
View
Most Expensive
B
Do Amore Diamonds
27-7EEA40837 · Nov 4
€2,904 EUR
$3,260 USD
View
9 more retailers have this diamond
Prices start from €366 EURSave up to €2,538 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
€366 EUR