Round|Lab Grown|IGI

1.57ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436046616

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436046616

Diamond specifications and retailer prices

From $1,112 SGD
$870 USD
As of October 31, 2026
Save $5,036 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,148 SGD at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046616 or 436046616. Listed at 10 retailers as of October 29, 2026, with prices from $1,112 to $6,148, a $5,036 spread on the same certified stone. MOH London lists it at $6,148. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046616
Dimensions7.40 × 7.37 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.40 mm7.37 mm1.57 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046616
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.1%

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 31
Current: $6,148 SGD|Low: $1,112 SGD|High: $6,199 SGD|Avg: $2,790 SGD|+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 30, 2026
Retailer 2$1,112 SGD
Retailer 5$1,641 SGD
Retailer 8$1,786 SGD
Retailer 10$1,836 SGD
Retailer 6$1,904 SGD
Retailer 3$2,216 SGD
Retailer 12$2,631 SGD
Retailer 7$3,013 SGD
Retailer 11$3,549 SGD
Retailer 9$3,568 SGD
Retailer 4$4,261 SGD
MOH London$6,148 SGD

17 data points across 12 retailers

10 retailers$1,112 SGD to $6,148 SGD

A
Cheapest Retailer
-
$1,112 SGD
$870 USD
B+
Retailer 2
-
$1,641 SGD
$1,284 USD
View
B+
Retailer 3
-
$1,786 SGD
$1,397 USD
View
B+
Retailer 4
-
$1,836 SGD
$1,436 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,904 SGD
$1,489 USD
View
Retailer 6
-
$1,904 SGD
$1,489 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$3,013 SGD
$2,357 USD
View
B
Retailer 8
-
$3,549 SGD
$2,776 USD
View
B
Retailer 9
-
$3,568 SGD
$2,791 USD
View
Most Expensive
B
MOH London
LG436046616 · Oct 29
$6,148 SGD
£3,787 GBP
View
9 more retailers have this diamond
Prices start from $1,112 SGDSave up to $5,036 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
$1,112 SGD