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Cushion|Lab Grown|IGI

3.15ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • IGI LG594312934

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

Certificate IGI LG594312934

Diamond specifications and retailer prices

From €756 EUR
As of November 4, 2026
Save €1,479 EUR (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €2,235 EUR at MOH London · As of November 3, 2026
View at MOH London

About this 3.15ct lab-grown cushion diamond

This 3.15ct 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 LG594312934 or 594312934. Listed at 7 retailers as of November 3, 2026, with prices from €756 to €2,235, a €1,479 spread on the same certified stone. MOH London lists it at €2,235. 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

3.15
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594312934
Dimensions8.62 × 8.40 × 5.64 mm
L/W Ratio1.03
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.
Top View
8.62 mm8.40 mm3.15 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594312934
Side View
Table 61.0%Crown 35°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 67.1%

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: €2,235 EUR|Low: €543 EUR|High: €2,261 EUR|Avg: €1,171 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 9€543 EUR
Retailer 8€715 EUR
Retailer 6€756 EUR
Retailer 5€762 EUR
Retailer 3€821 EUR
Retailer 2€1,162 EUR
Retailer 4€1,666 EUR
Retailer 7€1,849 EUR
MOH London€2,235 EUR

20 data points across 9 retailers

7 retailers€756 EUR to €2,235 EUR

A
Cheapest Retailer
-
€756 EUR
B+
Retailer 2
-
€762 EUR
View
A
Retailer 3
-
€821 EUR
View
A
Retailer 4
-
€1,162 EUR
View
B+
Retailer 5
-
€1,666 EUR
View
B+
Retailer 6
-
€1,849 EUR
View
Most Expensive
B+
MOH London
LG594312934 · Nov 3
€2,235 EUR
£1,975 GBP
View
6 more retailers have this diamond
Prices start from €756 EURSave up to €1,479 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
3.15ct Cushion
€756 EUR