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Radiant|Lab Grown|IGI

1.51ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG537213181

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

Certificate IGI LG537213181

Diamond specifications and retailer prices

From £1,244 GBP
$1,670 USD
As of November 2, 2026
Save £1,010 GBP (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,396 GBP at Flawless Fine Jewelry · As of November 3, 2026
View at Flawless Fine Jewelry

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG537213181 or 537213181. Listed at 16 retailers as of November 2, 2026, with a 81% 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

1.51
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537213181
Dimensions7.71 × 5.63 × 3.85 mm
L/W Ratio1.37
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
7.71 mm5.63 mm1.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537213181
Side View
Table 66.5%Crown 39.6°Girdle: ThickPavilion 32.3°Culet: NoneDepth 68.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £3,396 GBP|Low: £1,244 GBP|High: £4,745 GBP|Avg: £2,460 GBP
Flawless Fine Jewelry
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 3, 2026
Retailer 11£1,244 GBP
Retailer 10£1,414 GBP
Retailer 4£1,538 GBP
Retailer 6£1,583 GBP
Retailer 5£1,639 GBP
Retailer 12£1,639 GBP
Retailer 7£2,146 GBP
Retailer 2£2,255 GBP
Retailer 14£2,568 GBP
Retailer 9£2,692 GBP
Retailer 3£3,073 GBP
Flawless Fine Jewelry£3,396 GBP
Retailer 13£4,417 GBP
Retailer 8£4,683 GBP

44 data points across 14 retailers

16 retailers£1,244 GBP to £2,255 GBP

B
Cheapest Retailer
-
£1,244 GBP
$1,670 USD
B
Retailer 2
-
£1,414 GBP
$1,897 USD
View
B
Retailer 3
-
£1,538 GBP
$2,064 USD
View
B
Retailer 4
-
£1,583 GBP
$2,124 USD
View
Final sale: no returns
Retailer 5
-
£1,639 GBP
$2,200 USD
View
Price last confirmed 23 days ago
B
Retailer 6
-
£1,639 GBP
$2,200 USD
View
B
Retailer 7
-
£1,766 GBP
$2,370 USD
View
B
Retailer 8
-
£2,146 GBP
View
B
Retailer 9
-
£2,255 GBP
View
Retailer 10
-
£2,568 GBP
$3,446 USD
View
Price under review
Retailer 11
-
£2,692 GBP
$3,613 USD
View
Price under review
Retailer 12
-
£3,073 GBP
$4,124 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
CE2002B56 · Nov 3
£3,396 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £1,244 GBPSave up to £1,010 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
1.51ct Radiant
£1,244 GBP