CaratHunter
Plans
Oval|Lab Grown|IGI

1.58ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG821629778

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG821629778

Diamond specifications and retailer prices

From $479 SGD
$375 USD
As of October 25, 2026
Save $1,451 SGD (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,930 SGD at MOH London · As of October 29, 2026
View at MOH London

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), with a top-tier cut grade and certified by IGI LG821629778 or 821629778. Listed at 6 retailers as of October 25, 2026, with prices from $479 to $1,930, a $1,451 spread on the same certified stone. MOH London lists it at $1,930. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821629778
Dimensions8.37 × 7.01 × 4.01 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.37 mm7.01 mm1.58 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821629778
Side View
Table 66.0%Crown 33.2°Girdle: MED-STKPavilion 41.7°Culet: LargeDepth 57.2%

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: Oct 25
Current: $1,930 SGD|Low: $268 SGD|High: $1,943 SGD|Avg: $849 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 7$268 SGD
Retailer 3$479 SGD
Retailer 6$725 SGD
Retailer 4$784 SGD
Retailer 5$814 SGD
Retailer 2$851 SGD
MOH London$1,930 SGD

40 data points across 7 retailers

6 retailers$479 SGD to $1,930 SGD

A
Cheapest Retailer
-
$479 SGD
$375 USD
B+
Retailer 2
-
$725 SGD
$567 USD
View
B+
Retailer 3
-
$784 SGD
$613 USD
View
B+
Retailer 4
-
$814 SGD
$637 USD
View
B+
Retailer 5
-
$851 SGD
£524 GBP
View
Most Expensive
B
MOH London
LG821629778 · Oct 29
$1,930 SGD
£1,189 GBP
View
5 more retailers have this diamond
Prices start from $479 SGDSave up to $1,451 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 Oval
$479 SGD