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Radiant|Lab Grown|IGI

1.03ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG617435622

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG617435622

Diamond specifications and retailer prices

From £108 GBP
$145 USD
As of November 2, 2026
Save £928 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,036 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617435622 or 617435622. Listed at 10 retailers as of November 2, 2026, with prices from £108 to £1,036, a £928 spread on the same certified stone. Do Amore Diamonds lists it at £1,036. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617435622
Dimensions7.12 × 4.96 × 3.32 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.12 mm4.96 mm1.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617435622
Side View
Table 64.0%Crown 42.8°Girdle: MediumPavilion 34.3°Culet: NoneDepth 66.9%

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: Nov 2
Current: £1,036 GBP|Low: £84 GBP|High: £1,066 GBP|Avg: £401 GBP|-1.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 10£108 GBP
Retailer 13£124 GBP
Retailer 8£125 GBP
Retailer 3£238 GBP
Retailer 14£247 GBP
Retailer 12£248 GBP
Retailer 6£256 GBP
Retailer 5£352 GBP
Retailer 2£361 GBP
Retailer 9£455 GBP
Retailer 11£476 GBP
Retailer 4£592 GBP
Retailer 7£696 GBP
Do Amore Diamonds£1,036 GBP

25 data points across 14 retailers

10 retailers£108 GBP to £1,036 GBP

A
Cheapest Retailer
-
£108 GBP
$145 USD
A
Retailer 2
-
£124 GBP
$167 USD
View
Final sale: no returns
A
Retailer 3
-
£125 GBP
$168 USD
View
A
Retailer 4
-
£248 GBP
$333 USD
View
B+
Retailer 5
-
£361 GBP
A$745 AUD
View
B+
Retailer 6
-
£455 GBP
$611 USD
View
B+
Retailer 7
-
£476 GBP
$639 USD
View
B
Retailer 8
-
£529 GBP
View
B
Retailer 9
-
£696 GBP
View
Most Expensive
B
Do Amore Diamonds
27-77CF941BA · Nov 2
£1,036 GBP
$1,390 USD
View
9 more retailers have this diamond
Prices start from £108 GBPSave up to £928 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 Radiant
£108 GBP