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Round|Lab Grown|IGI

1.59ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG697509689

Shape and cutting style on the report: Round brilliant

Certificate IGI LG697509689

Diamond specifications and retailer prices

From $239 SGD
$187 USD
As of November 1, 2026
Save $1,150 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,389 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 LG697509689 or 697509689. Listed at 14 retailers as of November 1, 2026, with prices from $239 to $1,389, a $1,150 spread on the same certified stone. MOH London lists it at $1,389. 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 angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG697509689
Dimensions7.53 × 7.56 × 4.55 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
7.53 mm7.56 mm1.59 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG697509689
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

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: $1,389 SGD|Low: $239 SGD|High: $1,803 SGD|Avg: $761 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
Retailer 14
Retailer 15
Retailer 16
November 3, 2026
Retailer 12$239 SGD
Retailer 11$278 SGD
Retailer 6$297 SGD
Retailer 16$344 SGD
Retailer 13$505 SGD
Retailer 3$522 SGD
Retailer 2$537 SGD
Retailer 9$545 SGD
Retailer 15$587 SGD
Retailer 14$632 SGD
Retailer 5$954 SGD
Retailer 10$958 SGD
Retailer 4$991 SGD
MOH London$1,389 SGD
Retailer 7$1,428 SGD
Retailer 8$1,803 SGD

7 data points across 16 retailers

14 retailers$239 SGD to $1,389 SGD

A
Cheapest Retailer
-
$239 SGD
$187 USD
A
Retailer 2
-
$278 SGD
$217 USD
View
A
Retailer 3
-
$297 SGD
$232 USD
View
A
Retailer 4
-
$344 SGD
HK$2,100 HKD
View
A
Retailer 5
-
$505 SGD
€376 EUR
View
B+
Retailer 6
-
$522 SGD
$408 USD
View
A
Retailer 7
-
$537 SGD
£331 GBP
View
A
Retailer 8
-
$545 SGD
£336 GBP
View
A
Retailer 9
-
$587 SGD
$459 USD
View
A
Retailer 10
-
$632 SGD
$494 USD
View
B+
Retailer 11
-
$954 SGD
$746 USD
View
B+
Retailer 12
-
$958 SGD
$749 USD
View
B
Retailer 13
-
$991 SGD
$775 USD
View
Most Expensive
B
MOH London
LG697509689 · Nov 2
$1,389 SGD
£855 GBP
View
13 more retailers have this diamond
Prices start from $239 SGDSave up to $1,150 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
$239 SGD