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Round|Lab Grown|IGI

1.51ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG462132856

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462132856

Diamond specifications and retailer prices

From £657 GBP
$880 USD
As of October 30, 2026
Save £3,041 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,698 GBP at MOH London · As of October 27, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG462132856 or 462132856. Listed at 12 retailers as of October 27, 2026, with prices from £657 to £3,698, a £3,041 spread on the same certified stone. MOH London lists it at £3,698. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462132856
Dimensions7.37 × 7.38 × 4.55 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.37 mm7.38 mm1.51 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG462132856
Side View
Table 53.0%Crown 32.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.7%

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 30
Current: £3,698 GBP|Low: £657 GBP|High: £3,742 GBP|Avg: £1,767 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 2£657 GBP
Retailer 7£991 GBP
Retailer 10£1,078 GBP
Retailer 12£1,110 GBP
Retailer 8£1,149 GBP
Retailer 13£1,276 GBP
Retailer 4£1,580 GBP
Retailer 9£1,817 GBP
Retailer 6£2,113 GBP
Retailer 3£2,142 GBP
Retailer 11£2,155 GBP
Retailer 5£3,290 GBP
MOH London£3,698 GBP

21 data points across 13 retailers

12 retailers£657 GBP to £3,698 GBP

A
Cheapest Retailer
-
£657 GBP
$880 USD
A
Retailer 2
-
£991 GBP
$1,328 USD
View
B+
Retailer 3
-
£1,078 GBP
$1,444 USD
View
B+
Retailer 4
-
£1,110 GBP
$1,487 USD
View
Final sale: no returns
Retailer 5
-
£1,149 GBP
$1,540 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
£1,149 GBP
$1,540 USD
View
B+
Retailer 7
-
£1,276 GBP
$1,710 USD
View
B
Retailer 8
-
£1,817 GBP
$2,435 USD
View
B
Retailer 9
-
£2,113 GBP
ZAR 45,734 ZAR
View
B
Retailer 10
-
£2,142 GBP
$2,870 USD
View
B
Retailer 11
-
£2,155 GBP
$2,887 USD
View
Most Expensive
B
MOH London
LG462132856 · Oct 27
£3,698 GBP
View
11 more retailers have this diamond
Prices start from £657 GBPSave up to £3,041 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 Round
£657 GBP