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Round|Lab Grown|IGI

1.02ct J VVS1 Round Lab Grown Diamond

EX • J/VVS1

Diamond specifications and retailer prices

From £310 GBP
$415 USD
As of October 30, 2026
Save £138 GBP (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £448 GBP at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 29, 2026, with prices from £310 to £448, a £138 spread on the same certified stone. Taylor and Hart lists it at £448. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
J
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.51 × 6.54 × 3.95 mm
L/W Ratio1.00
Top View
6.51 mm6.54 mm1.02 ctJ / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 59.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.4%

Caratlytics Score

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

Last verified: Oct 30
Current: £310 GBP|Low: £310 GBP|High: £905 GBP|Avg: £603 GBP
Retailer 1
Retailer 2
Taylor and Hart
October 23, 2026
Retailer 1£310 GBP
Taylor and Hart£448 GBP
Retailer 2£905 GBP

2 data points across 3 retailers

2 retailers£310 GBP to £448 GBP

B+
Cheapest Retailer
-
£310 GBP
$415 USD
Most Expensive
B+
Taylor and Hart
MGE0M0M · Oct 29
£448 GBP
$600 USD
View
1 more retailer has this diamond
Prices start from £310 GBPSave up to £138 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+
1.02ct Round
£310 GBP