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Round|Lab Grown|IGI

1.53ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG492113639

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113639

Diamond specifications and retailer prices

From £819 GBP
$1,090 USD
As of October 29, 2026
Save £2,703 GBP (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,522 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 LG492113639 or 492113639. Listed at 9 retailers as of October 29, 2026, with prices from £819 to £3,522, a £2,703 spread on the same certified stone. MOH London lists it at £3,522. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113639
Dimensions7.40 × 7.43 × 4.53 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
7.40 mm7.43 mm1.53 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113639
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

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 29
Current: £3,522 GBP|Low: £819 GBP|High: £3,546 GBP|Avg: £1,860 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3£819 GBP
Retailer 2£940 GBP
Retailer 4£1,090 GBP
Retailer 7£1,512 GBP
Retailer 5£1,726 GBP
Retailer 6£2,032 GBP
Retailer 8£2,441 GBP
MOH London£3,522 GBP

11 data points across 8 retailers

9 retailers£819 GBP to £3,522 GBP

A
Cheapest Retailer
-
£819 GBP
$1,090 USD
A
Retailer 2
-
£940 GBP
$1,252 USD
View
B+
Retailer 3
-
£1,023 GBP
$1,362 USD
View
Retailer 4
-
£1,090 GBP
$1,452 USD
View
Price last confirmed 17 days ago
B+
Retailer 5
-
£1,090 GBP
$1,452 USD
View
B
Retailer 6
-
£1,726 GBP
$2,299 USD
View
B
Retailer 7
-
£2,032 GBP
$2,706 USD
View
B
Retailer 8
-
£2,044 GBP
$2,722 USD
View
Most Expensive
B
MOH London
LG492113639 · Oct 29
£3,522 GBP
View
8 more retailers have this diamond
Prices start from £819 GBPSave up to £2,703 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
£819 GBP