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Cushion|Lab Grown|IGI

1.02ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG849660698

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

Certificate IGI LG849660698

Diamond specifications and retailer prices

From £114 GBP
As of November 6, 2026
Save £104 GBP (48%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £217 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849660698 or 849660698. Listed at 2 retailers as of November 6, 2026, with prices from £114 to £217, a £104 spread on the same certified stone. 77 Diamonds lists it at £217. 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

1.02
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849660698
Dimensions5.92 × 5.81 × 3.89 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
5.92 mm5.81 mm1.02 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849660698
Side View
Table 59.0%Crown 33.9°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £217 GBP|Low: £114 GBP|High: £223 GBP|Avg: £207 GBP|-1.4%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£114 GBP
77 Diamonds£217 GBP

7 data points across 2 retailers

2 retailers£114 GBP to £217 GBP

A
Cheapest Retailer
-
£114 GBP
Final sale: no returns
Most Expensive
A
77 Diamonds
CUSTVSBPGKBUMV · Nov 6
£217 GBP
View
1 more retailer has this diamond
Prices start from £114 GBPSave up to £104 GBP

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
1.02ct Cushion
£114 GBP