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Round|Lab Grown|IGI

1.58ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG747511658

Shape and cutting style on the report: Round brilliant

Certificate IGI LG747511658

Diamond specifications and retailer prices

From $549 SGD
€409 EUR
As of October 31, 2026
Save $782 SGD (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,331 SGD at MOH London · As of October 26, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG747511658 or 747511658. Listed at 12 retailers as of October 26, 2026, with prices from $549 to $1,331, a $782 spread on the same certified stone. MOH London lists it at $1,331. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747511658
Dimensions7.51 × 7.45 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm7.45 mm1.58 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747511658
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.2%

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 31
Current: $1,331 SGD|Low: $332 SGD|High: $1,346 SGD|Avg: $785 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$332 SGD
Retailer 3$549 SGD
Retailer 8$570 SGD
Retailer 2$611 SGD
Retailer 9$662 SGD
Retailer 5$862 SGD
Retailer 4$920 SGD
Retailer 6$1,151 SGD
MOH London$1,331 SGD

43 data points across 9 retailers

12 retailers$549 SGD to $1,331 SGD

Retailer 1
-
$332 SGD
$260 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$549 SGD
€409 EUR
View
B+
Retailer 3
-
$570 SGD
$446 USD
View
A
Retailer 4
-
$611 SGD
£376 GBP
View
A
Retailer 5
-
$632 SGD
$494 USD
View
B+
Retailer 6
-
$662 SGD
$518 USD
View
B+
Retailer 7
-
$862 SGD
$674 USD
View
B+
Retailer 8
-
$920 SGD
$720 USD
View
Retailer 9
-
$933 SGD
$730 USD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$1,135 SGD
$887 USD
View
B
Retailer 11
-
$1,151 SGD
$900 USD
View
Most Expensive
B
MOH London
LG747511658 · Oct 26
$1,331 SGD
£820 GBP
View
11 more retailers have this diamond
Prices start from $549 SGDSave up to $782 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
$549 SGD