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Oval|Lab Grown|IGI

1.58ct D SI1 Oval Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From $705 SGD
A$849 AUD
As of October 28, 2026
2 retailers carry this diamond
Most expensive: $705 SGD at MoiMoi Australia
View at MoiMoi Australia

About this 1.58ct lab-grown oval diamond

This 1.58ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by IGI. Listed at 2 retailers as of October 28, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.58
Carat
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.27 × 6.59 × 4.18 mm
L/W Ratio1.41
Top View
9.27 mm6.59 mm1.58 ctD / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.5%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $705 SGD|Low: $209 SGD|High: $707 SGD|Avg: $336 SGD|-0.2%
MoiMoi Australia
Retailer 2
Retailer 3
October 28, 2026
Retailer 3$209 SGD
Retailer 2$430 SGD
MoiMoi Australia$705 SGD

23 data points across 3 retailers

2 retailers

Retailer 1
-
$430 SGD
£265 GBP
Price last confirmed 14 days ago
Most Expensive
B+
MoiMoi Australia
611932225 · Oct 28
$705 SGD
A$849 AUD
View
1 more retailer has this diamond

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.

B+
1.58ct Oval
$705 SGD