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Cushion|Lab Grown|IGI

1.04ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG836617946

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836617946

Diamond specifications and retailer prices

From £346 GBP
$464 USD
As of October 25, 2026
Save £1,385 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,731 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.04ct lab-grown cushion diamond

This 1.04ct 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 LG836617946 or 836617946. Listed at 14 retailers as of October 25, 2026, with prices from £346 to £1,731, a £1,385 spread on the same certified stone. Brilliant Earth lists it at £1,731. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617946
Dimensions7.52 × 5.08 × 3.39 mm
L/W Ratio1.48
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
7.52 mm5.08 mm1.04 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617946
Side View
Table 65.0%Crown 37.9°Girdle: MED-THKPavilion 34.6°Culet: NoneDepth 66.7%

Caratlytics Score

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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: Oct 25
Current: £1,731 GBP|Low: £346 GBP|High: £2,023 GBP|Avg: £846 GBP|-14.4%
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
November 1, 2026
Retailer 13£346 GBP
Retailer 2£356 GBP
Retailer 14£475 GBP
Retailer 12£478 GBP
Retailer 4£552 GBP
Retailer 8£554 GBP
Retailer 11£595 GBP
Retailer 7£626 GBP
Retailer 9£865 GBP
Retailer 5£918 GBP
Retailer 6£1,034 GBP
Retailer 3£1,142 GBP
Retailer 10£1,360 GBP
Brilliant Earth£1,731 GBP

30 data points across 14 retailers

14 retailers£346 GBP to £1,731 GBP

A
Cheapest Retailer
-
£346 GBP
$464 USD
A
Retailer 2
-
£356 GBP
View
A
Retailer 3
-
£475 GBP
$637 USD
View
A
Retailer 4
-
£478 GBP
$640 USD
View
A
Retailer 5
-
£552 GBP
$739 USD
View
A
Retailer 6
-
£554 GBP
€707 EUR
View
A
Retailer 7
-
£595 GBP
ZAR 12,876 ZAR
View
A
Retailer 8
-
£626 GBP
View
B+
Retailer 9
-
£865 GBP
$1,159 USD
View
B+
Retailer 10
-
£918 GBP
SGD 1,663 SGD
View
Retailer 11
-
£1,034 GBP
$1,385 USD
View
Price last confirmed 13 days ago
B+
Retailer 12
-
£1,142 GBP
$1,530 USD
View
B
Retailer 13
-
£1,360 GBP
View
Most Expensive
B
Brilliant Earth
21641025A · Oct 31
£1,731 GBP
$2,320 USD
View
13 more retailers have this diamond
Prices start from £346 GBPSave up to £1,385 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
1.04ct Cushion
£346 GBP