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Round|Lab Grown|IGI

1.59ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG788619897

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788619897

Diamond specifications and retailer prices

From $269 SGD
$210 USD
As of November 1, 2026
Save $1,068 SGD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,337 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.59ct lab-grown round diamond

This 1.59ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG788619897 or 788619897. Listed at 17 retailers as of November 1, 2026, with prices from $269 to $1,337, a $1,068 spread on the same certified stone. MOH London lists it at $1,337. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788619897
Dimensions7.60 × 7.56 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.60 mm7.56 mm1.59 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788619897
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.1%

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: $1,337 SGD|Low: $258 SGD|High: $1,509 SGD|Avg: $739 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 9$269 SGD
Retailer 10$334 SGD
Retailer 5$556 SGD
Retailer 11$573 SGD
Retailer 6$613 SGD
Retailer 2$615 SGD
Retailer 3$664 SGD
Retailer 4$877 SGD
Retailer 8$1,010 SGD
Retailer 7$1,253 SGD
MOH London$1,337 SGD

43 data points across 11 retailers

17 retailers$269 SGD to $1,337 SGD

A
Cheapest Retailer
-
$269 SGD
$210 USD
A
Retailer 2
-
$312 SGD
$244 USD
View
Retailer 3
-
$334 SGD
$261 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$334 SGD
$261 USD
View
A
Retailer 5
-
$556 SGD
€414 EUR
View
B+
Retailer 6
-
$573 SGD
$448 USD
View
A
Retailer 7
-
$597 SGD
$467 USD
View
A
Retailer 8
-
$613 SGD
£377 GBP
View
A
Retailer 9
-
$615 SGD
£379 GBP
View
A
Retailer 10
-
$664 SGD
$519 USD
View
B+
Retailer 11
-
$877 SGD
$686 USD
View
B
Retailer 12
-
$1,004 SGD
$785 USD
View
Retailer 13
-
$1,010 SGD
$790 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$1,073 SGD
$839 USD
View
B
Retailer 15
-
$1,141 SGD
$892 USD
View
B
Retailer 16
-
$1,253 SGD
$980 USD
View
Most Expensive
B
MOH London
LG788619897 · Nov 2
$1,337 SGD
£823 GBP
View
16 more retailers have this diamond
Prices start from $269 SGDSave up to $1,068 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 Round
$269 SGD