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Round|Lab Grown|IGI

1.53ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG425067153

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425067153

Diamond specifications and retailer prices

From £813 GBP
$1,090 USD
As of October 29, 2026
Save £2,687 GBP (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,500 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425067153 or 425067153. Listed at 10 retailers as of October 29, 2026, with prices from £813 to £3,500, a £2,687 spread on the same certified stone. MOH London lists it at £3,500. 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

1.53
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067153
Dimensions7.53 × 7.58 × 4.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.53 mm7.58 mm1.53 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425067153
Side View
Table 57.0%Crown 31.6°Girdle: MediumPavilion 40.2°Culet: NoneDepth 58.8%

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 29
Current: £3,500 GBP|Low: £813 GBP|High: £3,524 GBP|Avg: £1,733 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 2£813 GBP
Retailer 4£1,017 GBP
Retailer 5£1,046 GBP
Retailer 7£1,502 GBP
Retailer 3£1,716 GBP
Retailer 6£2,020 GBP
Retailer 8£2,426 GBP
MOH London£3,500 GBP

10 data points across 8 retailers

10 retailers£813 GBP to £3,500 GBP

A
Cheapest Retailer
-
£813 GBP
$1,090 USD
A
Retailer 2
-
£934 GBP
$1,252 USD
View
B+
Retailer 3
-
£1,017 GBP
$1,362 USD
View
B+
Retailer 4
-
£1,046 GBP
$1,401 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,084 GBP
$1,452 USD
View
Retailer 6
-
£1,084 GBP
$1,452 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£1,716 GBP
$2,299 USD
View
B
Retailer 8
-
£2,020 GBP
$2,706 USD
View
B
Retailer 9
-
£2,032 GBP
$2,722 USD
View
Most Expensive
B
MOH London
LG425067153 · Oct 29
£3,500 GBP
View
9 more retailers have this diamond
Prices start from £813 GBPSave up to £2,687 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
1.53ct Round
£813 GBP