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Cushion|Lab Grown|IGI

1.02ct D FL Cushion Lab Grown Diamond

VG • D/FL • IGI LG836619623

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836619623

Diamond specifications and retailer prices

From £340 GBP
$456 USD
As of October 25, 2026
Save £1,361 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,702 GBP at Brilliant Earth · As of October 30, 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 very-good cut grade and certified by IGI LG836619623 or 836619623. Listed at 15 retailers as of October 25, 2026, with prices from £340 to £1,702, a £1,361 spread on the same certified stone. Brilliant Earth lists it at £1,702. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619623
Dimensions7.38 × 5.06 × 3.42 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
7.38 mm5.06 mm1.02 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619623
Side View
Table 58.0%Crown 34.8°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: £1,702 GBP|Low: £340 GBP|High: £1,985 GBP|Avg: £857 GBP|-14.3%
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 30, 2026
Retailer 12£340 GBP
Retailer 2£351 GBP
Retailer 14£460 GBP
Retailer 11£463 GBP
Retailer 15£514 GBP
Retailer 4£543 GBP
Retailer 9£549 GBP
Retailer 10£584 GBP
Retailer 8£614 GBP
Retailer 5£900 GBP
Retailer 6£1,015 GBP
Retailer 3£1,123 GBP
Retailer 13£1,330 GBP
Retailer 7£1,437 GBP
Brilliant Earth£1,702 GBP

26 data points across 15 retailers

15 retailers£340 GBP to £1,702 GBP

A
Cheapest Retailer
-
£340 GBP
$456 USD
A
Retailer 2
-
£351 GBP
View
A
Retailer 3
-
£460 GBP
$617 USD
View
A
Retailer 4
-
£463 GBP
$620 USD
View
A
Retailer 5
-
£514 GBP
$689 USD
View
A
Retailer 6
-
£543 GBP
$728 USD
View
A
Retailer 7
-
£549 GBP
€701 EUR
View
A
Retailer 8
-
£584 GBP
ZAR 12,647 ZAR
View
B+
Retailer 9
-
£614 GBP
View
B+
Retailer 10
-
£900 GBP
SGD 1,630 SGD
View
Retailer 11
-
£1,015 GBP
$1,360 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
£1,123 GBP
$1,504 USD
View
B
Retailer 13
-
£1,330 GBP
View
B
Retailer 14
-
£1,437 GBP
$1,925 USD
View
Most Expensive
B
Brilliant Earth
21695597A · Oct 30
£1,702 GBP
$2,280 USD
View
14 more retailers have this diamond
Prices start from £340 GBPSave up to £1,361 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
£340 GBP