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Oval|Natural|GIA

1.50ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 6555650202

Certificate GIA 6555650202

Diamond specifications and retailer prices

From $4,671 SGD
$3,654 USD
As of October 31, 2026
Save $5,327 SGD (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,998 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 6555650202. Listed at 22 retailers as of October 30, 2026, with prices from $4,671 to $9,998, a $5,327 spread on the same certified stone. NZ Jewellers lists it at $9,998. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555650202
Dimensions8.65 × 6.19 × 3.96 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Indented Natural, Natural
Top View
8.65 mm6.19 mm1.50 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555650202
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.0%

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 31
Current: $9,998 SGD|Low: $4,671 SGD|High: $10,361 SGD|Avg: $6,220 SGD|-3.5%
NZ Jewellers
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
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 10$4,671 SGD
Retailer 5$4,799 SGD
Retailer 6$4,873 SGD
Retailer 17$4,877 SGD
Retailer 7$5,171 SGD
Retailer 20$5,183 SGD
Retailer 3$5,199 SGD
Retailer 4$5,199 SGD
Retailer 21$5,199 SGD
Retailer 15$5,273 SGD
Retailer 13$5,522 SGD
Retailer 9$5,694 SGD
Retailer 2$5,871 SGD
Retailer 19$6,000 SGD
Retailer 8$6,020 SGD
Retailer 14$6,034 SGD
Retailer 18$6,176 SGD
Retailer 16$7,054 SGD
Retailer 11$7,824 SGD
Retailer 12$9,485 SGD
NZ Jewellers$9,998 SGD

23 data points across 21 retailers

22 retailers$4,671 SGD to $9,998 SGD

A
Cheapest Retailer
-
$4,671 SGD
$3,654 USD
A
Retailer 2
-
$4,799 SGD
$3,754 USD
View
Final sale: no returns
A
Retailer 3
-
$4,873 SGD
$3,812 USD
View
A
Retailer 4
-
$4,877 SGD
$3,815 USD
View
B+
Retailer 5
-
$5,171 SGD
$4,045 USD
View
B+
Retailer 6
-
$5,183 SGD
$4,054 USD
View
B+
Retailer 7
-
$5,199 SGD
$4,067 USD
View
B+
Retailer 8
-
$5,199 SGD
$4,067 USD
View
B+
Retailer 9
-
$5,199 SGD
$4,067 USD
View
B+
Retailer 10
-
$5,273 SGD
$4,125 USD
View
B+
Retailer 11
-
$5,522 SGD
£3,401 GBP
View
B+
Retailer 12
-
$5,694 SGD
$4,454 USD
View
B+
Retailer 13
-
$5,871 SGD
£3,616 GBP
View
Retailer 14
-
$5,996 SGD
A$7,215 AUD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$6,000 SGD
$4,693 USD
View
B+
Retailer 16
-
$6,020 SGD
$4,709 USD
View
Retailer 17
-
$6,034 SGD
$4,720 USD
View
Price last confirmed 17 days ago
B+
Retailer 18
-
$6,176 SGD
€4,601 EUR
View
B
Retailer 19
-
$7,054 SGD
ZAR 89,144 ZAR
View
B
Retailer 20
-
$7,824 SGD
$6,120 USD
View
B
Retailer 21
-
$9,485 SGD
£5,842 GBP
View
Most Expensive
B
NZ Jewellers
eea088da-c988-4125-ad18-59a278d9a39f · Oct 30
$9,998 SGD
$7,821 USD
View
21 more retailers have this diamond
Prices start from $4,671 SGDSave up to $5,327 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
$4,671 SGD