Cushion|Lab Grown|IGI

1.57ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG809694589

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG809694589

Diamond specifications and retailer prices

From £285 GBP
$382 USD
As of November 1, 2026
Save £961 GBP (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,246 GBP at MOH London · As of November 1, 2026
View at MOH London

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809694589 or 809694589. Listed at 16 retailers as of November 1, 2026, with prices from £285 to £1,246, a £961 spread on the same certified stone. MOH London lists it at £1,246. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809694589
Dimensions7.70 × 6.05 × 3.84 mm
L/W Ratio1.27
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 Faint Blue
Top View
7.70 mm6.05 mm1.57 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809694589
Side View
Table 58.0%Crown 32.9°Girdle: THK-VTKPavilion 30.4°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,246 GBP|Low: £285 GBP|High: £1,262 GBP|Avg: £686 GBP
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 3£285 GBP
Retailer 15£311 GBP
Retailer 14£418 GBP
Retailer 5£425 GBP
Retailer 8£425 GBP
Retailer 2£502 GBP
Retailer 4£504 GBP
Retailer 11£534 GBP
Retailer 12£690 GBP
Retailer 10£725 GBP
Retailer 13£770 GBP
Retailer 9£978 GBP
Retailer 7£1,032 GBP
Retailer 6£1,206 GBP
MOH London£1,246 GBP

29 data points across 15 retailers

16 retailers£285 GBP to £1,246 GBP

A
Cheapest Retailer
-
£285 GBP
$382 USD
Final sale: no returns
Retailer 2
-
£311 GBP
$417 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£418 GBP
$560 USD
View
A
Retailer 4
-
£425 GBP
$570 USD
View
A
Retailer 5
-
£425 GBP
$570 USD
View
A
Retailer 6
-
£502 GBP
€640 EUR
View
A
Retailer 7
-
£504 GBP
$675 USD
View
A
Retailer 8
-
£534 GBP
ZAR 11,569 ZAR
View
Retailer 9
-
£690 GBP
$925 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£702 GBP
$940 USD
View
B+
Retailer 11
-
£725 GBP
A$1,495 AUD
View
B+
Retailer 12
-
£770 GBP
$1,032 USD
View
B
Retailer 13
-
£978 GBP
$1,310 USD
View
B
Retailer 14
-
£1,032 GBP
$1,383 USD
View
B
Retailer 15
-
£1,206 GBP
View
Most Expensive
B
MOH London
LG809694589 · Nov 1
£1,246 GBP
View
15 more retailers have this diamond
Prices start from £285 GBPSave up to £961 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
£285 GBP