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Cushion|Lab Grown|IGI

3.17ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • IGI LG653408790

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

Certificate IGI LG653408790

Diamond specifications and retailer prices

From €763 EUR
$852 USD
As of November 1, 2026
Save €1,495 EUR (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €2,258 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.17ct lab-grown cushion diamond

This 3.17ct 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 LG653408790 or 653408790. Listed at 6 retailers as of November 1, 2026, with prices from €763 to €2,258, a €1,495 spread on the same certified stone. MOH London lists it at €2,258. 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

3.17
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653408790
Dimensions8.80 × 8.40 × 5.37 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.80 mm8.40 mm3.17 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG653408790
Side View
Table 62.0%Crown 37°Girdle: STK-VTKPavilion 36.5°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,258 EUR|Low: €546 EUR|High: €2,285 EUR|Avg: €1,176 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8€546 EUR
Retailer 7€651 EUR
Retailer 5€763 EUR
Retailer 4€769 EUR
Retailer 2€834 EUR
Retailer 3€1,674 EUR
Retailer 6€1,868 EUR
MOH London€2,258 EUR

11 data points across 8 retailers

6 retailers€763 EUR to €2,258 EUR

A
Cheapest Retailer
-
€763 EUR
$852 USD
B+
Retailer 2
-
€769 EUR
$859 USD
View
A
Retailer 3
-
€834 EUR
$932 USD
View
B+
Retailer 4
-
€1,674 EUR
$1,870 USD
View
B+
Retailer 5
-
€1,868 EUR
$2,087 USD
View
Most Expensive
B+
MOH London
LG653408790 · Nov 1
€2,258 EUR
£1,986 GBP
View
5 more retailers have this diamond
Prices start from €763 EURSave up to €1,495 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
3.17ct Cushion
€763 EUR