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Cushion|Lab Grown|IGI

1.02ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811638696

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811638696

Diamond specifications and retailer prices

From £294 GBP
As of October 29, 2026
Save £1,681 GBP (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,975 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638696 or 811638696. Listed at 9 retailers as of October 29, 2026, with prices from £294 to £1,975, a £1,681 spread on the same certified stone. Brilliant Earth lists it at £1,975. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638696
Dimensions7.19 × 4.94 × 3.35 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.19 mm4.94 mm1.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638696
Side View
Table 63.0%Crown 36.2°Girdle: MED-THKPavilion 36.6°Culet: NoneDepth 67.8%

Caratlytics Score

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A+
Exceptional
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: Oct 29
Current: £1,975 GBP|Low: £266 GBP|High: £2,058 GBP|Avg: £905 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 15£266 GBP
Retailer 8£294 GBP
Retailer 12£425 GBP
Retailer 10£462 GBP
Retailer 4£483 GBP
Retailer 13£665 GBP
Retailer 14£685 GBP
Retailer 7£739 GBP
Retailer 11£816 GBP
Retailer 3£992 GBP
Retailer 6£1,016 GBP
Retailer 2£1,144 GBP
Retailer 5£1,353 GBP
Retailer 9£1,840 GBP
Brilliant Earth£1,975 GBP

18 data points across 15 retailers

9 retailers£294 GBP to £1,975 GBP

A+
Cheapest Retailer
-
£294 GBP
A
Retailer 2
-
£425 GBP
$566 USD
View
A
Retailer 3
-
£462 GBP
$615 USD
View
B+
Retailer 4
-
£685 GBP
ZAR 14,729 ZAR
View
Price last confirmed 48 days ago
B+
Retailer 5
-
£816 GBP
$1,086 USD
View
B+
Retailer 6
-
£992 GBP
$1,321 USD
View
Price last confirmed 50 days ago
B+
Retailer 7
-
£1,144 GBP
View
B
Retailer 8
-
£1,840 GBP
$2,450 USD
View
Most Expensive
B
Brilliant Earth
21731182Y · Oct 29
£1,975 GBP
$2,630 USD
View
8 more retailers have this diamond
Prices start from £294 GBPSave up to £1,681 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
£294 GBP