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Cushion|Lab Grown|IGI

1.57ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG804668747

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG804668747

Diamond specifications and retailer prices

From £334 GBP
HK$3,500 HKD
As of October 30, 2026
Save £878 GBP (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,381 GBP at Brilliant Earth · As of September 24, 2026
View at Brilliant Earth

About this 1.57ct lab-grown cushion diamond

This 1.57ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG804668747 or 804668747. Listed at 17 retailers as of October 29, 2026, with a 263% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804668747
Dimensions6.57 × 6.56 × 4.41 mm
L/W Ratio1.00
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
6.57 mm6.56 mm1.57 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804668747
Side View
Table 61.0%Crown 35.1°Girdle: STK-THKPavilion 39°Culet: NoneDepth 67.2%

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: £2,381 GBP|Low: £193 GBP|High: £2,381 GBP|Avg: £825 GBP
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 4£272 GBP
Retailer 10£407 GBP
Retailer 6£483 GBP
Retailer 9£517 GBP
Retailer 2£537 GBP
Retailer 5£556 GBP
Retailer 8£701 GBP
Retailer 12£742 GBP
Retailer 3£963 GBP
Retailer 13£1,055 GBP
Retailer 11£1,168 GBP
Retailer 7£1,212 GBP
Brilliant Earth£2,381 GBP

42 data points across 13 retailers

17 retailers£334 GBP to £1,212 GBP

Retailer 1
-
£272 GBP
$364 USD
Price last confirmed 11 days ago
Final sale: no returns
A
Retailer 2
-
£334 GBP
HK$3,500 HKD
View
A
Retailer 3
-
£405 GBP
$542 USD
View
A
Retailer 4
-
£407 GBP
$545 USD
View
A
Retailer 5
-
£483 GBP
€616 EUR
View
A
Retailer 6
-
£517 GBP
ZAR 11,195 ZAR
View
A
Retailer 7
-
£537 GBP
View
A
Retailer 8
-
£556 GBP
$745 USD
View
B+
Retailer 9
-
£701 GBP
A$1,446 AUD
View
B+
Retailer 10
-
£742 GBP
$994 USD
View
B
Retailer 11
-
£963 GBP
SGD 1,744 SGD
View
B
Retailer 12
-
£1,001 GBP
$1,341 USD
View
B+
Retailer 13
-
£1,055 GBP
$1,414 USD
View
Retailer 14
-
£1,168 GBP
$1,565 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
£1,189 GBP
$1,593 USD
View
B+
Retailer 16
-
£1,212 GBP
View
Most Expensive
Brilliant Earth
21305425A · Sep 24
£2,381 GBP
$3,190 USD
View
Price last confirmed 36 days ago
16 more retailers have this diamond
Prices start from £334 GBPSave up to £878 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
1.57ct Cushion
£334 GBP