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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 $852 USD
As of November 2, 2026
Save $1,670 USD (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,522 USD at MOH London · As of November 3, 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 2, 2026, with prices from $852 to $2,522, a $1,670 spread on the same certified stone. MOH London lists it at $2,522. 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 2
Current: $2,522 USD|Low: $610 USD|High: $2,553 USD|Avg: $1,314 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$610 USD
Retailer 7$728 USD
Retailer 5$852 USD
Retailer 4$859 USD
Retailer 2$932 USD
Retailer 3$1,870 USD
Retailer 6$2,087 USD
MOH London$2,522 USD

11 data points across 8 retailers

6 retailers$852 USD to $2,522 USD

A
Cheapest Retailer
-
$852 USD
B+
Retailer 2
-
$859 USD
View
A
Retailer 3
-
$932 USD
View
B+
Retailer 4
-
$1,870 USD
View
B+
Retailer 5
-
$2,087 USD
View
Most Expensive
B+
MOH London
LG653408790 · Nov 3
$2,522 USD
£1,986 GBP
View
5 more retailers have this diamond
Prices start from $852 USDSave up to $1,670 USD

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
$852 USD