Round|Lab Grown|IGI

1.58ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG480168615

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480168615

Diamond specifications and retailer prices

From $1,112 SGD
$870 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: $6,187 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.58ct lab-grown round diamond

This 1.58ct 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 LG480168615 or 480168615. Listed at 10 retailers as of October 29, 2026, with prices from $1,112 to $6,187, a $5,075 spread on the same certified stone. MOH London lists it at $6,187. 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

1.58
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480168615
Dimensions7.58 × 7.56 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.58 mm7.56 mm1.58 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480168615
Side View
Table 59.0%Crown 32.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
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: Oct 30
Current: $6,187 SGD|Low: $1,112 SGD|High: $6,236 SGD|Avg: $2,710 SGD|-0.5%
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
October 30, 2026
Retailer 2$1,112 SGD
Retailer 6$1,652 SGD
Retailer 10$1,796 SGD
Retailer 9$1,850 SGD
Retailer 7$1,915 SGD
Retailer 12$1,915 SGD
Retailer 4$2,223 SGD
Retailer 3$2,646 SGD
Retailer 8$3,031 SGD
Retailer 13$3,571 SGD
Retailer 11$3,590 SGD
Retailer 5$4,288 SGD
MOH London$6,187 SGD

17 data points across 13 retailers

10 retailers$1,112 SGD to $6,187 SGD

A
Cheapest Retailer
-
$1,112 SGD
$870 USD
B+
Retailer 2
-
$1,652 SGD
$1,292 USD
View
B+
Retailer 3
-
$1,796 SGD
$1,405 USD
View
B+
Retailer 4
-
$1,850 SGD
$1,447 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,915 SGD
$1,498 USD
View
Retailer 6
-
$1,915 SGD
$1,498 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,031 SGD
$2,371 USD
View
B
Retailer 8
-
$3,571 SGD
$2,793 USD
View
B
Retailer 9
-
$3,590 SGD
$2,808 USD
View
Most Expensive
B
MOH London
LG480168615 · Oct 29
$6,187 SGD
£3,811 GBP
View
9 more retailers have this diamond
Prices start from $1,112 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
1.58ct Round
$1,112 SGD