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Cushion|Lab Grown|IGI

1.77ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG823672338

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG823672338

Diamond specifications and retailer prices

From £626 GBP
$839 USD
As of October 30, 2026
Save £1,935 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,561 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.77ct lab-grown cushion diamond

This 1.77ct 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 LG823672338 or 823672338. Listed at 15 retailers as of October 29, 2026, with prices from £626 to £2,561, a £1,935 spread on the same certified stone. MOH London lists it at £2,561. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823672338
Dimensions8.94 × 5.99 × 3.87 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.94 mm5.99 mm1.77 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823672338
Side View
Table 67.0%Crown 39.1°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 64.6%

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: £2,561 GBP|Low: £626 GBP|High: £2,582 GBP|Avg: £1,464 GBP|+0.5%
MOH London
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 13£626 GBP
Retailer 3£649 GBP
Retailer 8£735 GBP
Retailer 7£799 GBP
Retailer 10£929 GBP
Retailer 6£1,042 GBP
Retailer 9£1,192 GBP
Retailer 2£1,615 GBP
Retailer 5£2,013 GBP
Retailer 4£2,183 GBP
Retailer 12£2,193 GBP
Retailer 11£2,199 GBP
MOH London£2,561 GBP

43 data points across 13 retailers

15 retailers£626 GBP to £2,561 GBP

A
Cheapest Retailer
-
£626 GBP
$839 USD
Final sale: no returns
Retailer 2
-
£649 GBP
$869 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£735 GBP
View
A
Retailer 4
-
£799 GBP
$1,070 USD
View
A
Retailer 5
-
£929 GBP
$1,245 USD
View
A
Retailer 6
-
£1,042 GBP
View
A
Retailer 7
-
£1,117 GBP
$1,496 USD
View
A
Retailer 8
-
£1,192 GBP
ZAR 25,812 ZAR
View
B+
Retailer 9
-
£1,615 GBP
A$3,330 AUD
View
B+
Retailer 10
-
£2,013 GBP
View
B
Retailer 11
-
£2,183 GBP
SGD 3,953 SGD
View
B
Retailer 12
-
£2,193 GBP
$2,938 USD
View
B
Retailer 13
-
£2,199 GBP
$2,947 USD
View
B
Retailer 14
-
£2,238 GBP
$2,998 USD
View
Most Expensive
B
MOH London
LG823672338 · Oct 29
£2,561 GBP
View
14 more retailers have this diamond
Prices start from £626 GBPSave up to £1,935 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
1.77ct Cushion
£626 GBP