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Cushion|Lab Grown|IGI

1.02ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG790688296

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790688296

Diamond specifications and retailer prices

From £288 GBP
As of November 6, 2026
Save £787 GBP (73%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,076 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore 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 LG790688296 or 790688296. Listed at 4 retailers as of November 6, 2026, with prices from £288 to £1,076, a £787 spread on the same certified stone. Do Amore Diamonds lists it at £1,076. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790688296
Dimensions7.30 × 5.15 × 3.56 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm5.15 mm1.02 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790688296
Side View
Table 64.0%Crown 34.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 69.1%

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 6
Current: £1,076 GBP|Low: £232 GBP|High: £1,076 GBP|Avg: £520 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3£232 GBP
Retailer 7£264 GBP
Retailer 4£288 GBP
Retailer 6£332 GBP
Retailer 5£341 GBP
Retailer 8£712 GBP
Retailer 2£833 GBP
Do Amore Diamonds£1,076 GBP

19 data points across 8 retailers

4 retailers£288 GBP to £1,076 GBP

A
Cheapest Retailer
-
£288 GBP
B+
Retailer 2
-
£341 GBP
View
B
Retailer 3
-
£833 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1760495 · Nov 6
£1,076 GBP
$1,440 USD
View
3 more retailers have this diamond
Prices start from £288 GBPSave up to £787 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
£288 GBP