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Radiant|Lab Grown|IGI

1.30ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG512205216

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

Certificate IGI LG512205216

Diamond specifications and retailer prices

From £723 GBP
$970 USD
As of November 2, 2026
Save £618 GBP (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,317 GBP at Flawless Fine Jewelry · As of November 3, 2026
View at Flawless Fine Jewelry

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512205216 or 512205216. Listed at 12 retailers as of November 1, 2026, with a 85% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205216
Dimensions7.58 × 5.40 × 3.69 mm
L/W Ratio1.40
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
7.58 mm5.40 mm1.30 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205216
Side View
Table 66.5%Crown 39.1°Girdle: MED-STKPavilion 32.1°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,317 GBP|Low: £694 GBP|High: £2,877 GBP|Avg: £1,473 GBP
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 8£723 GBP
Retailer 3£786 GBP
Retailer 9£838 GBP
Retailer 5£969 GBP
Retailer 6£976 GBP
Retailer 2£1,293 GBP
Retailer 10£1,341 GBP
Retailer 7£1,807 GBP
Flawless Fine Jewelry£2,317 GBP
Retailer 11£2,357 GBP
Retailer 4£2,843 GBP

43 data points across 11 retailers

12 retailers£723 GBP to £1,341 GBP

B
Cheapest Retailer
-
£723 GBP
$970 USD
B
Retailer 2
-
£786 GBP
$1,055 USD
View
B
Retailer 3
-
£838 GBP
$1,125 USD
View
Retailer 4
-
£838 GBP
$1,125 USD
View
Price last confirmed 17 days ago
B
Retailer 5
-
£969 GBP
$1,300 USD
View
B
Retailer 6
-
£976 GBP
$1,310 USD
View
B
Retailer 7
-
£1,293 GBP
View
B
Retailer 8
-
£1,341 GBP
$1,799 USD
View
Retailer 9
-
£1,807 GBP
$2,425 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
9941F6CF9 · Nov 3
£2,317 GBP
View
Price under review
9 more retailers have this diamond
Prices start from £723 GBPSave up to £618 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
1.30ct Radiant
£723 GBP