CaratHunter
Plans
Radiant|Lab Grown|IGI

1.51ct G VVS1 Radiant Lab Grown Diamond

ID • G/VVS1 • IGI LG687542065

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

Certificate IGI LG687542065

Diamond specifications and retailer prices

From £199 GBP
As of November 5, 2026
Save £1,005 GBP (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,204 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG687542065 or 687542065. Listed at 9 retailers as of November 5, 2026, with prices from £199 to £1,204, a £1,005 spread on the same certified stone. Brilliant Earth lists it at £1,204. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687542065
Dimensions8.23 × 5.76 × 3.69 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.23 mm5.76 mm1.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687542065
Side View
Table 66.0%Crown 41.8°Girdle: MediumPavilion 33.7°Culet: NoneDepth 64.1%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £1,204 GBP|Low: £146 GBP|High: £1,211 GBP|Avg: £539 GBP|-0.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2£199 GBP
Retailer 9£256 GBP
Retailer 6£308 GBP
Retailer 11£451 GBP
Retailer 7£461 GBP
Retailer 5£469 GBP
Retailer 8£475 GBP
Retailer 10£541 GBP
Retailer 4£818 GBP
Retailer 3£889 GBP
Brilliant Earth£1,204 GBP

11 data points across 11 retailers

9 retailers£199 GBP to £1,204 GBP

A
Cheapest Retailer
-
£199 GBP
Final sale: no returns
B+
Retailer 2
-
£256 GBP
View
A
Retailer 3
-
£308 GBP
View
A
Retailer 4
-
£461 GBP
View
B+
Retailer 5
-
£469 GBP
View
B+
Retailer 6
-
£475 GBP
View
Retailer 7
-
£490 GBP
View
Price last confirmed 10 days ago
B
Retailer 8
-
£818 GBP
View
Most Expensive
B
Brilliant Earth
13797623A · Nov 5
£1,204 GBP
$1,620 USD
View
8 more retailers have this diamond
Prices start from £199 GBPSave up to £1,005 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
1.51ct Radiant
£199 GBP