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1.52ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG442067677

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442067677

Diamond specifications and retailer prices

From £627 GBP
$840 USD
As of October 31, 2026
Save £2,662 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,289 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.52ct lab-grown round diamond

This 1.52ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442067677 or 442067677. Listed at 11 retailers as of October 29, 2026, with prices from £627 to £3,289, a £2,662 spread on the same certified stone. MOH London lists it at £3,289. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067677
Dimensions7.54 × 7.52 × 4.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.54 mm7.52 mm1.52 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442067677
Side View
Table 60.0%Crown 32.2°Girdle: MediumPavilion 40.3°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 31
Current: £3,289 GBP|Low: £627 GBP|High: £3,316 GBP|Avg: £1,535 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
Retailer 12
October 30, 2026
Retailer 2£627 GBP
Retailer 5£878 GBP
Retailer 8£982 GBP
Retailer 6£1,018 GBP
Retailer 9£1,018 GBP
Retailer 4£1,105 GBP
Retailer 10£1,149 GBP
Retailer 12£1,446 GBP
Retailer 7£1,617 GBP
Retailer 11£2,006 GBP
Retailer 3£2,914 GBP
MOH London£3,289 GBP

16 data points across 12 retailers

11 retailers£627 GBP to £3,289 GBP

A
Cheapest Retailer
-
£627 GBP
$840 USD
B+
Retailer 2
-
£878 GBP
$1,176 USD
View
B+
Retailer 3
-
£955 GBP
$1,280 USD
View
B+
Retailer 4
-
£982 GBP
$1,316 USD
View
Final sale: no returns
Retailer 5
-
£1,018 GBP
$1,364 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
£1,018 GBP
$1,364 USD
View
B+
Retailer 7
-
£1,149 GBP
$1,540 USD
View
B
Retailer 8
-
£1,617 GBP
$2,166 USD
View
B
Retailer 9
-
£1,908 GBP
$2,557 USD
View
B
Retailer 10
-
£2,006 GBP
$2,688 USD
View
Most Expensive
B
MOH London
LG442067677 · Oct 29
£3,289 GBP
View
10 more retailers have this diamond
Prices start from £627 GBPSave up to £2,662 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
1.52ct Round
£627 GBP