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Round|Lab Grown|IGI

1.59ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG425065844

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065844

Diamond specifications and retailer prices

From $1,125 SGD
$880 USD
As of October 30, 2026
Save $5,075 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,200 SGD at MOH London · As of October 27, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425065844 or 425065844. Listed at 10 retailers as of October 27, 2026, with prices from $1,125 to $6,200, a $5,075 spread on the same certified stone. MOH London lists it at $6,200. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065844
Dimensions7.51 × 7.49 × 4.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.51 mm7.49 mm1.59 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065844
Side View
Table 55.5%Crown 35.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,200 SGD|Low: $1,125 SGD|High: $6,267 SGD|Avg: $2,814 SGD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,125 SGD
Retailer 5$1,662 SGD
Retailer 8$1,808 SGD
Retailer 10$1,860 SGD
Retailer 6$1,928 SGD
Retailer 3$2,231 SGD
Retailer 12$2,660 SGD
Retailer 7$3,050 SGD
Retailer 11$3,592 SGD
Retailer 9$3,613 SGD
Retailer 4$4,314 SGD
MOH London$6,200 SGD

14 data points across 12 retailers

10 retailers$1,125 SGD to $6,200 SGD

A
Cheapest Retailer
-
$1,125 SGD
$880 USD
A
Retailer 2
-
$1,662 SGD
$1,300 USD
View
B+
Retailer 3
-
$1,808 SGD
$1,414 USD
View
B+
Retailer 4
-
$1,860 SGD
$1,455 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,928 SGD
$1,508 USD
View
Retailer 6
-
$1,928 SGD
$1,508 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,050 SGD
$2,386 USD
View
B
Retailer 8
-
$3,592 SGD
$2,810 USD
View
B
Retailer 9
-
$3,613 SGD
$2,826 USD
View
Most Expensive
B
MOH London
LG425065844 · Oct 27
$6,200 SGD
£3,819 GBP
View
9 more retailers have this diamond
Prices start from $1,125 SGDSave up to $5,075 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
$1,125 SGD