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Oval|Lab Grown|IGI

1.53ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445036640

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036640

Diamond specifications and retailer prices

From £634 GBP
$850 USD
As of October 31, 2026
Save £3,045 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,680 GBP at MOH London · As of October 27, 2026
View at MOH London

About this 1.53ct lab-grown oval diamond

This 1.53ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036640 or 445036640. Listed at 11 retailers as of October 27, 2026, with prices from £634 to £3,680, a £3,045 spread on the same certified stone. MOH London lists it at £3,680. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036640
Dimensions9.11 × 6.46 × 4.01 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.11 mm6.46 mm1.53 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036640
Side View
Table 58.5%Crown 34.9°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 62.1%

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: £3,680 GBP|Low: £634 GBP|High: £3,724 GBP|Avg: £1,601 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5£634 GBP
Retailer 6£986 GBP
Retailer 10£1,072 GBP
Retailer 7£1,144 GBP
Retailer 11£1,144 GBP
Retailer 12£1,272 GBP
Retailer 4£1,573 GBP
Retailer 2£1,633 GBP
Retailer 8£1,809 GBP
Retailer 3£2,132 GBP
Retailer 9£2,144 GBP
MOH London£3,680 GBP

36 data points across 12 retailers

11 retailers£634 GBP to £3,680 GBP

A
Cheapest Retailer
-
£634 GBP
$850 USD
B+
Retailer 2
-
£986 GBP
$1,321 USD
View
B+
Retailer 3
-
£1,072 GBP
$1,437 USD
View
Retailer 4
-
£1,144 GBP
$1,533 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
£1,144 GBP
$1,533 USD
View
B+
Retailer 6
-
£1,272 GBP
$1,705 USD
View
B+
Retailer 7
-
£1,633 GBP
View
B
Retailer 8
-
£1,809 GBP
$2,424 USD
View
B
Retailer 9
-
£2,132 GBP
$2,857 USD
View
B
Retailer 10
-
£2,144 GBP
$2,873 USD
View
Most Expensive
B
MOH London
LG445036640 · Oct 27
£3,680 GBP
View
10 more retailers have this diamond
Prices start from £634 GBPSave up to £3,045 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 Oval
£634 GBP