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Cushion|Lab Grown|IGI

1.51ct G VS1 Cushion Lab Grown Diamond

GD • G/VS1 • IGI LG735509573

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG735509573

Diamond specifications and retailer prices

From £308 GBP
$413 USD
As of November 1, 2026
Save £1,028 GBP (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,335 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG735509573 or 735509573. Listed at 15 retailers as of November 1, 2026, with prices from £308 to £1,335, a £1,028 spread on the same certified stone. MOH London lists it at £1,335. 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

1.51
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735509573
Dimensions7.82 × 5.65 × 4.08 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm5.65 mm1.51 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735509573
Side View
Table 61.0%Crown 35.8°Girdle: STK-VTKPavilion 39.7°Culet: NoneDepth 72.2%

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: Nov 1
Current: £1,335 GBP|Low: £342 GBP|High: £1,400 GBP|Avg: £725 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 8£342 GBP
Retailer 7£399 GBP
Retailer 3£399 GBP
Retailer 9£546 GBP
Retailer 4£589 GBP
Retailer 5£617 GBP
Retailer 6£793 GBP
Retailer 2£1,291 GBP
MOH London£1,335 GBP

38 data points across 9 retailers

15 retailers£308 GBP to £1,335 GBP

A
Cheapest Retailer
-
£308 GBP
$413 USD
Final sale: no returns
Retailer 2
-
£342 GBP
$459 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£397 GBP
$533 USD
View
B+
Retailer 4
-
£399 GBP
$535 USD
View
B+
Retailer 5
-
£399 GBP
View
B+
Retailer 6
-
£531 GBP
$712 USD
View
B+
Retailer 7
-
£546 GBP
$733 USD
View
B+
Retailer 8
-
£589 GBP
ZAR 12,779 ZAR
View
B
Retailer 9
-
£617 GBP
View
B
Retailer 10
-
£793 GBP
A$1,638 AUD
View
C
Retailer 11
-
£1,128 GBP
$1,514 USD
View
C
Retailer 12
-
£1,291 GBP
$1,733 USD
View
C
Retailer 13
-
£1,294 GBP
$1,736 USD
View
C
Retailer 14
-
£1,329 GBP
View
Most Expensive
B
MOH London
LG735509573 · Nov 3
£1,335 GBP
View
14 more retailers have this diamond
Prices start from £308 GBPSave up to £1,028 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
1.51ct Cushion
£308 GBP