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Round|Lab Grown|IGI

1.03ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG830618957

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830618957

Diamond specifications and retailer prices

From £121 GBP
$162 USD
As of October 26, 2026
Save £747 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £868 GBP at Helzberg Diamonds · As of October 27, 2026
View at Helzberg Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830618957 or 830618957. Listed at 21 retailers as of October 26, 2026, with prices from £121 to £868, a £747 spread on the same certified stone. Helzberg Diamonds lists it at £868. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830618957
Dimensions6.49 × 6.52 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.49 mm6.52 mm1.03 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830618957
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

Caratlytics Score

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

Price History

Last verified: Oct 26
Current: £868 GBP|Low: £121 GBP|High: £868 GBP|Avg: £354 GBP
Helzberg Diamonds
Retailer 2
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Retailer 21
October 29, 2026
Retailer 18£121 GBP
Retailer 11£135 GBP
Retailer 5£140 GBP
Retailer 10£150 GBP
Retailer 20£150 GBP
Retailer 3£230 GBP
Retailer 17£257 GBP
Retailer 2£261 GBP
Retailer 16£263 GBP
Retailer 15£269 GBP
Retailer 12£272 GBP
Retailer 6£331 GBP
Retailer 19£365 GBP
Retailer 13£389 GBP
Retailer 14£412 GBP
Retailer 7£425 GBP
Retailer 4£482 GBP
Retailer 9£488 GBP
Retailer 8£523 GBP
Retailer 21£702 GBP
Helzberg Diamonds£868 GBP

7 data points across 21 retailers

21 retailers£121 GBP to £868 GBP

A
Cheapest Retailer
-
£121 GBP
$162 USD
A
Retailer 2
-
£135 GBP
$181 USD
View
Final sale: no returns
A
Retailer 3
-
£140 GBP
$188 USD
View
A
Retailer 4
-
£150 GBP
$201 USD
View
A
Retailer 5
-
£150 GBP
$201 USD
View
A
Retailer 6
-
£230 GBP
$308 USD
View
B+
Retailer 7
-
£257 GBP
ZAR 5,573 ZAR
View
B+
Retailer 8
-
£261 GBP
€333 EUR
View
B+
Retailer 9
-
£263 GBP
View
B+
Retailer 10
-
£269 GBP
View
B+
Retailer 11
-
£272 GBP
$364 USD
View
B+
Retailer 12
-
£331 GBP
$444 USD
View
B+
Retailer 13
-
£365 GBP
A$753 AUD
View
B+
Retailer 14
-
£389 GBP
$521 USD
View
B+
Retailer 15
-
£412 GBP
SGD 746 SGD
View
Retailer 16
-
£425 GBP
$570 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
£482 GBP
$646 USD
View
B
Retailer 18
-
£488 GBP
$654 USD
View
B
Retailer 19
-
£523 GBP
$701 USD
View
B
Retailer 20
-
£702 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMHOPLN · Oct 27
£868 GBP
$1,163 USD
View
20 more retailers have this diamond
Prices start from £121 GBPSave up to £747 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
1.03ct Round
£121 GBP