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Oval|Lab Grown|IGI

1.57ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG451055467

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055467

Diamond specifications and retailer prices

From $1,099 SGD
$860 USD
As of October 31, 2026
Save $5,356 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,455 SGD at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055467 or 451055467. Listed at 12 retailers as of October 31, 2026, with prices from $1,099 to $6,455, a $5,356 spread on the same certified stone. MOH London lists it at $6,455. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055467
Dimensions9.50 × 6.63 × 4.03 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.50 mm6.63 mm1.57 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055467
Side View
Table 56.5%Crown 34.1°Girdle: THN-STKPavilion 41°Culet: NoneDepth 60.8%

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 31
Current: $6,455 SGD|Low: $1,099 SGD|High: $6,533 SGD|Avg: $2,957 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 8$1,099 SGD
Retailer 7$1,732 SGD
Retailer 12$1,884 SGD
Retailer 13$1,938 SGD
Retailer 9$2,010 SGD
Retailer 14$2,010 SGD
Retailer 3$2,231 SGD
Retailer 5$2,758 SGD
Retailer 2$2,869 SGD
Retailer 10$3,176 SGD
Retailer 4$3,746 SGD
Retailer 11$3,766 SGD
Retailer 6$5,754 SGD
MOH London$6,455 SGD

37 data points across 14 retailers

12 retailers$1,099 SGD to $6,455 SGD

A
Cheapest Retailer
-
$1,099 SGD
$860 USD
A
Retailer 2
-
$1,732 SGD
$1,355 USD
View
B+
Retailer 3
-
$1,884 SGD
$1,474 USD
View
B+
Retailer 4
-
$1,938 SGD
$1,516 USD
View
Final sale: no returns
Retailer 5
-
$2,010 SGD
$1,572 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,010 SGD
$1,572 USD
View
B+
Retailer 7
-
$2,231 SGD
$1,745 USD
View
B+
Retailer 8
-
$2,869 SGD
£1,767 GBP
View
B
Retailer 9
-
$3,176 SGD
$2,484 USD
View
B
Retailer 10
-
$3,746 SGD
$2,930 USD
View
B
Retailer 11
-
$3,766 SGD
$2,946 USD
View
Most Expensive
B
MOH London
LG451055467 · Nov 1
$6,455 SGD
£3,976 GBP
View
11 more retailers have this diamond
Prices start from $1,099 SGDSave up to $5,356 SGD

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
$1,099 SGD