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Round|Lab Grown|IGI

1.59ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG706511921

Shape and cutting style on the report: Round brilliant

Certificate IGI LG706511921

Diamond specifications and retailer prices

From $279 SGD
$218 USD
As of November 1, 2026
Save $1,105 SGD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,384 SGD at MOH London · As of November 1, 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 LG706511921 or 706511921. Listed at 15 retailers as of November 1, 2026, with prices from $279 to $1,384, a $1,105 spread on the same certified stone. MOH London lists it at $1,384. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706511921
Dimensions7.50 × 7.53 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm7.53 mm1.59 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706511921
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,384 SGD|Low: $261 SGD|High: $1,400 SGD|Avg: $712 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
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 11$279 SGD
Retailer 4$322 SGD
Retailer 5$345 SGD
Retailer 12$345 SGD
Retailer 9$572 SGD
Retailer 14$591 SGD
Retailer 3$601 SGD
Retailer 2$634 SGD
Retailer 10$634 SGD
Retailer 13$770 SGD
Retailer 8$909 SGD
Retailer 7$1,017 SGD
Retailer 15$1,110 SGD
Retailer 6$1,177 SGD
MOH London$1,384 SGD

39 data points across 15 retailers

15 retailers$279 SGD to $1,384 SGD

A
Cheapest Retailer
-
$279 SGD
$218 USD
A
Retailer 2
-
$322 SGD
$252 USD
View
A
Retailer 3
-
$345 SGD
$270 USD
View
Retailer 4
-
$345 SGD
$270 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$572 SGD
€426 EUR
View
B+
Retailer 6
-
$591 SGD
$462 USD
View
A
Retailer 7
-
$601 SGD
$470 USD
View
B+
Retailer 8
-
$634 SGD
£390 GBP
View
A
Retailer 9
-
$634 SGD
£390 GBP
View
B+
Retailer 10
-
$770 SGD
$602 USD
View
B+
Retailer 11
-
$909 SGD
$711 USD
View
Retailer 12
-
$1,017 SGD
$795 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$1,110 SGD
$868 USD
View
B
Retailer 14
-
$1,177 SGD
$920 USD
View
Most Expensive
B
MOH London
LG706511921 · Nov 1
$1,384 SGD
£852 GBP
View
14 more retailers have this diamond
Prices start from $279 SGDSave up to $1,105 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
$279 SGD