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Round|Lab Grown|IGI

1.57ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG758503526

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758503526

Diamond specifications and retailer prices

From $248 SGD
$194 USD
As of November 1, 2026
Save $1,189 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,437 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758503526 or 758503526. Listed at 12 retailers as of November 1, 2026, with prices from $248 to $1,437, a $1,189 spread on the same certified stone. MOH London lists it at $1,437. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758503526
Dimensions7.48 × 7.46 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm7.46 mm1.57 ctG / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758503526
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.8%

Caratlytics Score

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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: Nov 1
Current: $1,437 SGD|Low: $238 SGD|High: $1,456 SGD|Avg: $648 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
November 1, 2026
Retailer 2$248 SGD
Retailer 12$288 SGD
Retailer 7$307 SGD
Retailer 4$311 SGD
Retailer 3$522 SGD
Retailer 13$536 SGD
Retailer 6$559 SGD
Retailer 10$617 SGD
Retailer 11$639 SGD
Retailer 8$988 SGD
Retailer 9$992 SGD
Retailer 5$1,176 SGD
MOH London$1,437 SGD

41 data points across 13 retailers

12 retailers$248 SGD to $1,437 SGD

A
Cheapest Retailer
-
$248 SGD
$194 USD
A
Retailer 2
-
$288 SGD
$225 USD
View
A
Retailer 3
-
$307 SGD
$240 USD
View
Retailer 4
-
$311 SGD
$243 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$522 SGD
€389 EUR
View
B+
Retailer 6
-
$536 SGD
$419 USD
View
A
Retailer 7
-
$559 SGD
£345 GBP
View
A
Retailer 8
-
$617 SGD
$483 USD
View
A
Retailer 9
-
$639 SGD
$500 USD
View
B
Retailer 10
-
$988 SGD
$773 USD
View
B+
Retailer 11
-
$992 SGD
$776 USD
View
Most Expensive
B
MOH London
LG758503526 · Nov 1
$1,437 SGD
£885 GBP
View
11 more retailers have this diamond
Prices start from $248 SGDSave up to $1,189 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 Round
$248 SGD