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Cushion|Lab Grown|IGI

1.76ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG753508009

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG753508009

Diamond specifications and retailer prices

From £656 GBP
$879 USD
As of October 30, 2026
Save £2,479 GBP (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,135 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.76ct lab-grown cushion diamond

This 1.76ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG753508009 or 753508009. Listed at 22 retailers as of October 30, 2026, with prices from £656 to £3,135, a £2,479 spread on the same certified stone. Brilliant Earth lists it at £3,135. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.76
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG753508009
Dimensions8.07 × 6.20 × 3.99 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm6.20 mm1.76 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG753508009
Side View
Table 61.0%Crown 38.3°Girdle: MED-THKPavilion 32°Culet: NoneDepth 64.4%

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 30
Current: £3,135 GBP|Low: £680 GBP|High: £3,411 GBP|Avg: £1,700 GBP|-8.1%
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 31, 2026
Retailer 5£680 GBP
Retailer 11£810 GBP
Retailer 10£974 GBP
Retailer 7£1,042 GBP
Retailer 8£1,088 GBP
Retailer 9£1,249 GBP
Retailer 4£1,474 GBP
Retailer 2£1,693 GBP
Retailer 12£2,138 GBP
Retailer 6£2,177 GBP
Retailer 13£2,297 GBP
Retailer 3£2,561 GBP
Brilliant Earth£3,135 GBP

37 data points across 13 retailers

22 retailers£656 GBP to £3,135 GBP

A
Cheapest Retailer
-
£656 GBP
$879 USD
Final sale: no returns
Retailer 2
-
£680 GBP
$911 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£793 GBP
HK$8,300 HKD
View
A
Retailer 4
-
£810 GBP
$1,085 USD
View
A
Retailer 5
-
£863 GBP
$1,156 USD
View
A
Retailer 6
-
£974 GBP
$1,305 USD
View
A
Retailer 7
-
£1,042 GBP
View
A
Retailer 8
-
£1,088 GBP
€1,389 EUR
View
A
Retailer 9
-
£1,115 GBP
$1,494 USD
View
A
Retailer 10
-
£1,249 GBP
ZAR 27,044 ZAR
View
B+
Retailer 11
-
£1,474 GBP
$1,975 USD
View
B+
Retailer 12
-
£1,693 GBP
A$3,489 AUD
View
B
Retailer 13
-
£2,116 GBP
View
Retailer 14
-
£2,138 GBP
$2,865 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
£2,168 GBP
$2,905 USD
View
B+
Retailer 16
-
£2,177 GBP
A$4,488 AUD
View
B
Retailer 17
-
£2,284 GBP
$3,061 USD
View
B
Retailer 18
-
£2,288 GBP
SGD 4,142 SGD
View
B+
Retailer 19
-
£2,297 GBP
$3,078 USD
View
B
Retailer 20
-
£2,349 GBP
$3,148 USD
View
B+
Retailer 21
-
£2,561 GBP
View
Most Expensive
B
Brilliant Earth
16916899A · Oct 30
£3,135 GBP
$4,200 USD
View
21 more retailers have this diamond
Prices start from £656 GBPSave up to £2,479 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
1.76ct Cushion
£656 GBP