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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825661167

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825661167

Diamond specifications and retailer prices

From £345 GBP
$460 USD
As of October 25, 2026
Save £1,667 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,012 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG825661167 or 825661167. Listed at 13 retailers as of October 25, 2026, with prices from £345 to £2,012, a £1,667 spread on the same certified stone. Brilliant Earth lists it at £2,012. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825661167
Dimensions7.46 × 4.99 × 3.45 mm
L/W Ratio1.49
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
7.46 mm4.99 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825661167
Side View
Table 62.0%Crown 38.1°Girdle: MED-THKPavilion 36.1°Culet: NoneDepth 69.1%

Caratlytics Score

How it works →
A
Excellent
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 25
Current: £2,012 GBP|Low: £345 GBP|High: £2,073 GBP|Avg: £899 GBP|-2.9%
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
October 30, 2026
Retailer 10£345 GBP
Retailer 11£471 GBP
Retailer 9£473 GBP
Retailer 6£549 GBP
Retailer 13£552 GBP
Retailer 8£593 GBP
Retailer 2£623 GBP
Retailer 3£862 GBP
Retailer 4£917 GBP
Retailer 5£1,029 GBP
Retailer 12£1,139 GBP
Retailer 7£1,356 GBP
Brilliant Earth£2,012 GBP

40 data points across 13 retailers

13 retailers£345 GBP to £2,012 GBP

A
Cheapest Retailer
-
£345 GBP
$460 USD
A
Retailer 2
-
£471 GBP
$627 USD
View
A
Retailer 3
-
£473 GBP
$630 USD
View
A
Retailer 4
-
£549 GBP
€696 EUR
View
A
Retailer 5
-
£552 GBP
$735 USD
View
A
Retailer 6
-
£593 GBP
ZAR 12,761 ZAR
View
A
Retailer 7
-
£623 GBP
View
B+
Retailer 8
-
£862 GBP
$1,148 USD
View
B+
Retailer 9
-
£917 GBP
SGD 1,650 SGD
View
Retailer 10
-
£1,029 GBP
$1,370 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
£1,139 GBP
$1,517 USD
View
B+
Retailer 12
-
£1,356 GBP
View
Most Expensive
B
Brilliant Earth
21589202A · Oct 29
£2,012 GBP
$2,680 USD
View
12 more retailers have this diamond
Prices start from £345 GBPSave up to £1,667 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
1.03ct Cushion
£345 GBP