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Oval|Natural|GIA

1.50ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 3545152955

Certificate GIA 3545152955

Diamond specifications and retailer prices

From $5,089 SGD
HK$31,100 HKD
As of November 1, 2026
Save $5,908 SGD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $10,997 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545152955. Listed at 25 retailers as of October 30, 2026, with prices from $5,089 to $10,997, a $5,908 spread on the same certified stone. NZ Jewellers lists it at $10,997. 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

1.50
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.15°
Pavilion angle37.85°
OriginNatural
Grading LabGIA
CertificateGIA 3545152955
Dimensions8.67 × 6.28 × 4.08 mm
L/W Ratio1.38
Top View
8.67 mm6.28 mm1.50 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545152955
Side View
Table 64.0%Crown 40.15°Girdle: THK-VTKPavilion 37.85°Culet: NoneDepth 64.9%

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: Nov 1
Current: $5,183 SGD|Low: $5,089 SGD|High: $10,599 SGD|Avg: $6,847 SGD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$5,089 SGD
Retailer 1$5,183 SGD
Retailer 11$5,830 SGD
Retailer 2$6,069 SGD
Retailer 7$6,118 SGD
Retailer 4$6,326 SGD
Retailer 6$6,563 SGD
Retailer 3$6,628 SGD
Retailer 10$7,440 SGD
Retailer 8$8,082 SGD
Retailer 5$10,472 SGD

25 data points across 11 retailers

25 retailers$5,089 SGD to $10,997 SGD

A
Cheapest Retailer
-
$5,089 SGD
HK$31,100 HKD
A
Retailer 2
-
$5,183 SGD
₹386,113 INR
View
B+
Retailer 3
-
$5,613 SGD
$4,391 USD
View
B+
Retailer 4
-
$5,735 SGD
$4,486 USD
View
B+
Retailer 5
-
$5,830 SGD
View
B+
Retailer 6
-
$6,069 SGD
$4,747 USD
View
Final sale: no returns
B+
Retailer 7
-
$6,118 SGD
$4,786 USD
View
B+
Retailer 8
-
$6,175 SGD
$4,830 USD
View
B+
Retailer 9
-
$6,326 SGD
£3,897 GBP
View
B+
Retailer 10
-
$6,467 SGD
View
B+
Retailer 11
-
$6,563 SGD
£4,042 GBP
View
B
Retailer 12
-
$6,575 SGD
$5,143 USD
View
B
Retailer 13
-
$6,575 SGD
$5,143 USD
View
B
Retailer 14
-
$6,575 SGD
$5,143 USD
View
Retailer 15
-
$6,628 SGD
A$7,976 AUD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$6,770 SGD
$5,295 USD
View
B
Retailer 17
-
$6,806 SGD
$5,324 USD
View
B
Retailer 18
-
$6,898 SGD
$5,396 USD
View
B+
Retailer 19
-
$7,440 SGD
€5,543 EUR
View
B
Retailer 20
-
$7,586 SGD
$5,934 USD
View
B
Retailer 21
-
$8,082 SGD
ZAR 102,129 ZAR
View
B
Retailer 22
-
$9,652 SGD
$7,550 USD
View
B
Retailer 23
-
$9,922 SGD
$7,762 USD
View
B
Retailer 24
-
$10,472 SGD
£6,450 GBP
View
Most Expensive
B
NZ Jewellers
59d7d7c6-3498-47e1-8c27-a3a8459836ca · Oct 30
$10,997 SGD
$8,602 USD
View
24 more retailers have this diamond
Prices start from $5,089 SGDSave up to $5,908 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
1.50ct Oval
$5,089 SGD