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Oval|Lab Grown|IGI

1.59ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG830686496

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830686496

Diamond specifications and retailer prices

From $260 SGD
$203 USD
As of October 29, 2026
Save $1,255 SGD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,515 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown oval diamond

This 1.59ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830686496 or 830686496. Listed at 8 retailers as of October 29, 2026, with prices from $260 to $1,515, a $1,255 spread on the same certified stone. MOH London lists it at $1,515. 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

1.59
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830686496
Dimensions9.15 × 6.69 × 4.17 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.15 mm6.69 mm1.59 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830686496
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,515 SGD|Low: $256 SGD|High: $1,515 SGD|Avg: $790 SGD|+11.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4$260 SGD
Retailer 2$302 SGD
Retailer 7$360 SGD
Retailer 5$544 SGD
Retailer 8$749 SGD
Retailer 6$1,036 SGD
Retailer 3$1,039 SGD
Retailer 9$1,338 SGD
MOH London$1,515 SGD

25 data points across 9 retailers

8 retailers$260 SGD to $1,515 SGD

A
Cheapest Retailer
-
$260 SGD
$203 USD
A
Retailer 2
-
$302 SGD
$236 USD
View
Retailer 3
-
$360 SGD
£222 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$749 SGD
$586 USD
View
B+
Retailer 5
-
$1,036 SGD
$810 USD
View
B+
Retailer 6
-
$1,039 SGD
$813 USD
View
Retailer 7
-
$1,338 SGD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
LG830686496 · Oct 29
$1,515 SGD
£933 GBP
View
7 more retailers have this diamond
Prices start from $260 SGDSave up to $1,255 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
1.59ct Oval
$260 SGD