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Round|Lab Grown|IGI

1.51ct J VVS2 Round Lab Grown Diamond

EX • J/VVS2 • IGI LG407941644

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407941644

Diamond specifications and retailer prices

From £627 GBP
$840 USD
As of October 30, 2026
Save £2,899 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,526 GBP at MOH London · As of October 29, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG407941644 or 407941644. Listed at 12 retailers as of October 29, 2026, with prices from £627 to £3,526, a £2,899 spread on the same certified stone. MOH London lists it at £3,526. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407941644
Dimensions7.53 × 7.51 × 4.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.53 mm7.51 mm1.51 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407941644
Side View
Table 57.0%Crown 31.5°Girdle: UNDPavilion 40.2°Culet: NoneDepth 58.5%

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: Oct 30
Current: £3,526 GBP|Low: £627 GBP|High: £3,554 GBP|Avg: £2,014 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2£627 GBP
Retailer 11£1,102 GBP
Retailer 6£1,185 GBP
Retailer 7£1,355 GBP
Retailer 9£1,673 GBP
Retailer 5£1,938 GBP
Retailer 8£2,229 GBP
Retailer 4£2,258 GBP
Retailer 3£2,748 GBP
Retailer 10£3,516 GBP
MOH London£3,526 GBP

20 data points across 11 retailers

12 retailers£627 GBP to £3,526 GBP

A
Cheapest Retailer
-
£627 GBP
$840 USD
B+
Retailer 2
-
£1,059 GBP
$1,419 USD
View
B+
Retailer 3
-
£1,152 GBP
$1,543 USD
View
B+
Retailer 4
-
£1,185 GBP
$1,588 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,228 GBP
$1,646 USD
View
Retailer 6
-
£1,228 GBP
$1,646 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£1,355 GBP
$1,815 USD
View
B
Retailer 8
-
£1,938 GBP
$2,597 USD
View
B
Retailer 9
-
£2,229 GBP
$2,986 USD
View
B
Retailer 10
-
£2,258 GBP
ZAR 48,869 ZAR
View
B
Retailer 11
-
£2,302 GBP
$3,084 USD
View
Most Expensive
B
MOH London
LG407941644 · Oct 29
£3,526 GBP
View
11 more retailers have this diamond
Prices start from £627 GBPSave up to £2,899 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
£627 GBP