Cushion|Lab Grown|IGI

1.03ct G VVS1 Cushion Lab Grown Diamond

GD • G/VVS1

Diamond specifications and retailer prices

From £336 GBP
$450 USD
As of November 2, 2026
Save £597 GBP (64%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £933 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI. Listed at 2 retailers as of November 1, 2026, with prices from £336 to £933, a £597 spread on the same certified stone. Helzberg Diamonds lists it at £933. 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

1.03
Carat
G
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.22 × 5.03 mm
L/W Ratio1.44
Top View
7.22 mm5.03 mm1.03 ctG / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £933 GBP|Low: £336 GBP|High: £933 GBP|Avg: £638 GBP
Helzberg Diamonds
Retailer 2
September 28, 2026
Retailer 2£336 GBP
Helzberg Diamonds£933 GBP

2 data points across 2 retailers

2 retailers£336 GBP to £933 GBP

B+
Cheapest Retailer
-
£336 GBP
$450 USD
Most Expensive
C
Helzberg Diamonds
ZXZOJMMHIHOJ · Nov 1
£933 GBP
$1,250 USD
View
1 more retailer has this diamond
Prices start from £336 GBPSave up to £597 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.

B+
1.03ct Cushion
£336 GBP