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Oval|Lab Grown|IGI

1.58ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG789633250

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG789633250

Diamond specifications and retailer prices

From $258 SGD
$202 USD
As of October 26, 2026
Save $1,301 SGD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,560 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG789633250 or 789633250. Listed at 18 retailers as of October 26, 2026, with prices from $258 to $1,560, a $1,301 spread on the same certified stone. Brilliant Earth lists it at $1,560. 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 angle35.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789633250
Dimensions9.70 × 6.50 × 3.97 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.70 mm6.50 mm1.58 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789633250
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.1%

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 26
Current: $1,560 SGD|Low: $248 SGD|High: $1,560 SGD|Avg: $721 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 17$258 SGD
Retailer 7$288 SGD
Retailer 15$299 SGD
Retailer 16$321 SGD
Retailer 11$358 SGD
Retailer 14$360 SGD
Retailer 3$522 SGD
Retailer 5$556 SGD
Retailer 12$585 SGD
Retailer 8$652 SGD
Retailer 2$688 SGD
Retailer 9$695 SGD
Retailer 6$830 SGD
Retailer 4$1,030 SGD
Retailer 10$1,041 SGD
Retailer 18$1,259 SGD
Retailer 13$1,500 SGD
Brilliant Earth$1,560 SGD

40 data points across 18 retailers

18 retailers$258 SGD to $1,560 SGD

A
Cheapest Retailer
-
$258 SGD
$202 USD
A
Retailer 2
-
$299 SGD
$234 USD
View
A
Retailer 3
-
$321 SGD
$251 USD
View
A
Retailer 4
-
$358 SGD
£220 GBP
View
A
Retailer 5
-
$360 SGD
HK$2,200 HKD
View
Retailer 6
-
$522 SGD
€389 EUR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$556 SGD
$435 USD
View
A
Retailer 8
-
$585 SGD
£360 GBP
View
A
Retailer 9
-
$652 SGD
$510 USD
View
A
Retailer 10
-
$688 SGD
A$828 AUD
View
A
Retailer 11
-
$695 SGD
$544 USD
View
B+
Retailer 12
-
$830 SGD
$649 USD
View
B+
Retailer 13
-
$1,030 SGD
$806 USD
View
B+
Retailer 14
-
$1,041 SGD
View
Retailer 15
-
$1,176 SGD
$920 USD
View
Price last confirmed 9 days ago
Retailer 16
-
$1,259 SGD
$985 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$1,500 SGD
£924 GBP
View
Most Expensive
B
Brilliant Earth
18521721A · Oct 29
$1,560 SGD
$1,220 USD
View
17 more retailers have this diamond
Prices start from $258 SGDSave up to $1,301 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
$258 SGD