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Round|Lab Grown|IGI

1.58ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG526280927

Shape and cutting style on the report: Round brilliant

Certificate IGI LG526280927

Diamond specifications and retailer prices

From $256 SGD
$200 USD
As of October 29, 2026
Save $1,235 SGD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,491 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526280927 or 526280927. Listed at 16 retailers as of October 29, 2026, with prices from $256 to $1,491, a $1,235 spread on the same certified stone. MOH London lists it at $1,491. 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
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526280927
Dimensions7.46 × 7.43 × 4.60 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.46 mm7.43 mm1.58 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526280927
Side View
Table 56.5%Crown 35.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.9%

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: Oct 29
Current: $1,491 SGD|Low: $246 SGD|High: $1,501 SGD|Avg: $621 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 10$256 SGD
Retailer 5$287 SGD
Retailer 3$297 SGD
Retailer 11$318 SGD
Retailer 12$433 SGD
Retailer 2$496 SGD
Retailer 7$537 SGD
Retailer 6$579 SGD
Retailer 13$650 SGD
Retailer 4$1,020 SGD
Retailer 9$1,024 SGD
Retailer 8$1,036 SGD
MOH London$1,491 SGD

43 data points across 13 retailers

16 retailers$256 SGD to $1,491 SGD

A
Cheapest Retailer
-
$256 SGD
$200 USD
A
Retailer 2
-
$287 SGD
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$297 SGD
$232 USD
View
A
Retailer 4
-
$318 SGD
$248 USD
View
A
Retailer 5
-
$318 SGD
$248 USD
View
A
Retailer 6
-
$361 SGD
HK$2,200 HKD
View
B+
Retailer 7
-
$433 SGD
$338 USD
View
A
Retailer 8
-
$496 SGD
£305 GBP
View
A
Retailer 9
-
$537 SGD
€399 EUR
View
A
Retailer 10
-
$579 SGD
£356 GBP
View
A
Retailer 11
-
$650 SGD
$507 USD
View
Retailer 12
-
$961 SGD
$750 USD
View
Price last confirmed 51 days ago
B+
Retailer 13
-
$1,020 SGD
$796 USD
View
B
Retailer 14
-
$1,024 SGD
$799 USD
View
B+
Retailer 15
-
$1,036 SGD
View
Most Expensive
B
MOH London
LG526280927 · Oct 29
$1,491 SGD
£916 GBP
View
15 more retailers have this diamond
Prices start from $256 SGDSave up to $1,235 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
$256 SGD