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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 €368 EUR
$411 USD
As of November 1, 2026
Save €2,550 EUR (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,918 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598370873 or 598370873. Listed at 9 retailers as of October 31, 2026, with prices from €368 to €2,918, a €2,550 spread on the same certified stone. Do Amore Diamonds lists it at €2,918. 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
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 1
Current: €2,918 EUR|Low: €262 EUR|High: €2,918 EUR|Avg: €1,134 EUR
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 7€368 EUR
Retailer 5€546 EUR
Retailer 6€650 EUR
Retailer 8€691 EUR
Retailer 3€714 EUR
Retailer 9€798 EUR
Retailer 4€975 EUR
Retailer 11€1,310 EUR
Retailer 10€1,580 EUR
Retailer 2€1,755 EUR
Do Amore Diamonds€2,918 EUR

22 data points across 11 retailers

9 retailers€368 EUR to €2,918 EUR

A
Cheapest Retailer
-
€368 EUR
$411 USD
Final sale: no returns
A
Retailer 2
-
€546 EUR
$610 USD
View
B+
Retailer 3
-
€650 EUR
$726 USD
View
A
Retailer 4
-
€691 EUR
$772 USD
View
A
Retailer 5
-
€798 EUR
$891 USD
View
A
Retailer 6
-
€975 EUR
ZAR 17,600 ZAR
View
B+
Retailer 7
-
€1,580 EUR
$1,765 USD
View
B+
Retailer 8
-
€1,755 EUR
£1,544 GBP
View
Most Expensive
B
Do Amore Diamonds
27-7EEA40837 · Oct 31
€2,918 EUR
$3,260 USD
View
8 more retailers have this diamond
Prices start from €368 EURSave up to €2,550 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
€368 EUR