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Cushion|Lab Grown|IGI

2.97ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG828670757

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

Certificate IGI LG828670757

Diamond specifications and retailer prices

From €341 EUR
$383 USD
As of November 1, 2026
Save €362 EUR (51%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €703 EUR at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 2.97ct lab-grown cushion diamond

This 2.97ct lab-grown cushion sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG828670757 or 828670757. Listed at 2 retailers as of November 1, 2026, with prices from €341 to €703, a €362 spread on the same certified stone. 77 Diamonds lists it at €703. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.97
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828670757
Dimensions8.52 × 8.35 × 5.56 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.52 mm8.35 mm2.97 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828670757
Side View
Table 62.0%Crown 35°Girdle: STK-THKPavilion 40°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €703 EUR|Low: €341 EUR|High: €952 EUR|Avg: €688 EUR|-8.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2€341 EUR
Retailer 4€548 EUR
Retailer 5€639 EUR
77 Diamonds€703 EUR
Retailer 3€952 EUR

37 data points across 5 retailers

2 retailers€341 EUR to €703 EUR

A
Cheapest Retailer
-
€341 EUR
$383 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
CUSTVSTUUR2FFT · Nov 2
€703 EUR
£621 GBP
View
1 more retailer has this diamond
Prices start from €341 EURSave up to €362 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
2.97ct Cushion
€341 EUR