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Oval|Lab Grown|IGI

1.57ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG440013853

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440013853

Diamond specifications and retailer prices

From £619 GBP
$830 USD
As of October 29, 2026
Save £2,639 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,259 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown oval diamond

This 1.57ct lab-grown oval 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 LG440013853 or 440013853. Listed at 10 retailers as of October 29, 2026, with prices from £619 to £3,259, a £2,639 spread on the same certified stone. MOH London lists it at £3,259. 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

1.57
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013853
Dimensions9.37 × 6.51 × 4.01 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.37 mm6.51 mm1.57 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG440013853
Side View
Table 59.0%Crown 35.7°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.6%

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: £3,259 GBP|Low: £619 GBP|High: £3,280 GBP|Avg: £1,472 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 29, 2026
Retailer 5£619 GBP
Retailer 2£869 GBP
Retailer 9£946 GBP
Retailer 3£956 GBP
Retailer 10£974 GBP
Retailer 6£1,009 GBP
Retailer 12£1,435 GBP
Retailer 7£1,602 GBP
Retailer 8£1,891 GBP
Retailer 11£1,988 GBP
Retailer 4£2,258 GBP
MOH London£3,259 GBP

14 data points across 12 retailers

10 retailers£619 GBP to £3,259 GBP

A
Cheapest Retailer
-
£619 GBP
$830 USD
B+
Retailer 2
-
£869 GBP
$1,165 USD
View
B+
Retailer 3
-
£946 GBP
$1,268 USD
View
B+
Retailer 4
-
£974 GBP
$1,305 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,009 GBP
$1,352 USD
View
Retailer 6
-
£1,009 GBP
$1,352 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£1,602 GBP
$2,146 USD
View
B
Retailer 8
-
£1,891 GBP
$2,534 USD
View
B
Retailer 9
-
£1,988 GBP
$2,664 USD
View
Most Expensive
B
MOH London
LG440013853 · Oct 29
£3,259 GBP
View
9 more retailers have this diamond
Prices start from £619 GBPSave up to £2,639 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
1.57ct Oval
£619 GBP