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Cushion|Lab Grown|IGI

1.57ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG665409029

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665409029

Diamond specifications and retailer prices

From £251 GBP
$336 USD
As of October 31, 2026
Save £846 GBP (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,306 GBP at Brilliant Earth · As of October 23, 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 LG665409029 or 665409029. Listed at 18 retailers as of October 30, 2026, with a 337% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409029
Dimensions7.07 × 6.86 × 4.63 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
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
7.07 mm6.86 mm1.57 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409029
Side View
Table 61.0%Crown 35.9°Girdle: ThickPavilion 42.7°Culet: NoneDepth 67.5%

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 31
Current: £2,306 GBP|Low: £237 GBP|High: £2,306 GBP|Avg: £731 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
Retailer 14
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Retailer 17
October 31, 2026
Retailer 12£251 GBP
Retailer 11£414 GBP
Retailer 5£436 GBP
Retailer 14£456 GBP
Retailer 3£461 GBP
Retailer 10£465 GBP
Retailer 2£491 GBP
Retailer 17£546 GBP
Retailer 13£617 GBP
Retailer 4£715 GBP
Retailer 7£889 GBP
Retailer 8£973 GBP
Retailer 9£1,041 GBP
Retailer 15£1,064 GBP
Retailer 6£1,097 GBP
Retailer 16£1,149 GBP
Brilliant Earth£2,306 GBP

38 data points across 17 retailers

18 retailers£251 GBP to £1,097 GBP

A
Cheapest Retailer
-
£251 GBP
$336 USD
Final sale: no returns
A
Retailer 2
-
£414 GBP
$555 USD
View
A
Retailer 3
-
£436 GBP
$584 USD
View
A
Retailer 4
-
£456 GBP
ZAR 9,862 ZAR
View
A
Retailer 5
-
£461 GBP
$618 USD
View
A
Retailer 6
-
£465 GBP
View
A
Retailer 7
-
£491 GBP
€627 EUR
View
A
Retailer 8
-
£546 GBP
$732 USD
View
B+
Retailer 9
-
£617 GBP
A$1,271 AUD
View
B+
Retailer 10
-
£715 GBP
$958 USD
View
B+
Retailer 11
-
£872 GBP
$1,168 USD
View
B+
Retailer 12
-
£889 GBP
$1,191 USD
View
B
Retailer 13
-
£973 GBP
$1,304 USD
View
Retailer 14
-
£1,041 GBP
A$2,145 AUD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
£1,064 GBP
View
B
Retailer 16
-
£1,097 GBP
$1,470 USD
View
Retailer 17
-
£1,149 GBP
$1,540 USD
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
13235565A · Oct 23
£2,306 GBP
$3,090 USD
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from £251 GBPSave up to £846 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
£251 GBP