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Cushion|Lab Grown|GCAL

1.57ct H VS1 Cushion Lab Grown Diamond

VG • H/VS1 • GCAL 312990481

Shape and cutting style on the report: Cushion modified brilliant

Certificate GCAL 312990481

Diamond specifications and retailer prices

From £308 GBP
$413 USD
As of October 30, 2026
Save £636 GBP (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £944 GBP at MOH London · As of October 29, 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 very-good cut grade and certified by GCAL 312990481. Listed at 7 retailers as of October 29, 2026, with prices from £308 to £944, a £636 spread on the same certified stone. MOH London lists it at £944. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.57
Carat
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle32.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 312990481
Dimensions7.74 × 6.22 × 4.04 mm
L/W Ratio1.24
Culet sizeNone
Top View
7.74 mm6.22 mm1.57 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 312990481
Side View
Table 56.0%Crown 33°Girdle: THK-VTKPavilion 32.2°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £944 GBP|Low: £264 GBP|High: £944 GBP|Avg: £610 GBP|+7.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4£308 GBP
Retailer 6£315 GBP
Retailer 2£579 GBP
Retailer 3£673 GBP
Retailer 5£795 GBP
Retailer 7£881 GBP
MOH London£944 GBP

25 data points across 7 retailers

7 retailers£308 GBP to £944 GBP

A
Cheapest Retailer
-
£308 GBP
$413 USD
B+
Retailer 2
-
£315 GBP
$422 USD
View
B+
Retailer 3
-
£579 GBP
View
B+
Retailer 4
-
£673 GBP
CA$1,253 CAD
View
B
Retailer 5
-
£795 GBP
$1,065 USD
View
B
Retailer 6
-
£881 GBP
$1,180 USD
View
Most Expensive
B
MOH London
312990481 · Oct 29
£944 GBP
View
6 more retailers have this diamond
Prices start from £308 GBPSave up to £636 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
£308 GBP