CaratHunter
Plans
Round|Lab Grown|IGI

1.59ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG436046774

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436046774

Diamond specifications and retailer prices

From $1,262 SGD
As of November 5, 2026
Save $3,691 SGD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,952 SGD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046774 or 436046774. Listed at 10 retailers as of November 5, 2026, with prices from $1,262 to $4,952, a $3,691 spread on the same certified stone. MOH London lists it at $4,952. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046774
Dimensions7.65 × 7.68 × 4.48 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
undefined
Top View
7.65 mm7.68 mm1.59 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046774
Side View
Table 58.5%Crown 32.2°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.4%

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: Nov 5
Current: $4,952 SGD|Low: $1,212 SGD|High: $5,032 SGD|Avg: $2,493 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$1,262 SGD
Retailer 6$1,464 SGD
Retailer 8$1,464 SGD
Retailer 2$1,602 SGD
Retailer 3$1,686 SGD
Retailer 9$2,141 SGD
Retailer 7$2,341 SGD
Retailer 4$3,156 SGD
Retailer 10$4,191 SGD
MOH London$4,952 SGD

40 data points across 10 retailers

10 retailers$1,262 SGD to $4,952 SGD

A
Cheapest Retailer
-
$1,262 SGD
A
Retailer 2
-
$1,373 SGD
View
A
Retailer 3
-
$1,464 SGD
View
Retailer 4
-
$1,464 SGD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$1,602 SGD
View
B+
Retailer 6
-
$1,686 SGD
View
B
Retailer 7
-
$2,341 SGD
View
B
Retailer 8
-
$2,745 SGD
View
B
Retailer 9
-
$3,156 SGD
View
Most Expensive
B
MOH London
LG436046774 · Nov 5
$4,952 SGD
£3,053 GBP
View
9 more retailers have this diamond
Prices start from $1,262 SGDSave up to $3,691 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
$1,262 SGD