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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 $3,654 USD
As of October 31, 2026
Save $4,167 USD (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,821 USD 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 $3,654 to $7,821, a $4,167 spread on the same certified stone. NZ Jewellers lists it at $7,821. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,821 USD|Low: $3,654 USD|High: $8,105 USD|Avg: $4,904 USD|-3.5%
NZ Jewellers
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 10
Retailer 11
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Retailer 13
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Retailer 15
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Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 10$3,654 USD
Retailer 5$3,754 USD
Retailer 6$3,812 USD
Retailer 17$3,815 USD
Retailer 7$4,045 USD
Retailer 20$4,054 USD
Retailer 3$4,067 USD
Retailer 4$4,067 USD
Retailer 21$4,067 USD
Retailer 15$4,125 USD
Retailer 2$4,319 USD
Retailer 9$4,454 USD
Retailer 13$4,593 USD
Retailer 19$4,693 USD
Retailer 8$4,709 USD
Retailer 14$4,720 USD
Retailer 18$4,831 USD
Retailer 16$5,518 USD
Retailer 11$6,120 USD
Retailer 12$7,419 USD
NZ Jewellers$7,821 USD

22 data points across 21 retailers

22 retailers$3,654 USD to $7,821 USD

A
Cheapest Retailer
-
$3,654 USD
A
Retailer 2
-
$3,754 USD
View
Final sale: no returns
A
Retailer 3
-
$3,812 USD
View
A
Retailer 4
-
$3,815 USD
View
B+
Retailer 5
-
$4,045 USD
View
B+
Retailer 6
-
$4,054 USD
View
B+
Retailer 7
-
$4,067 USD
View
B+
Retailer 8
-
$4,067 USD
View
B+
Retailer 9
-
$4,067 USD
View
B+
Retailer 10
-
$4,125 USD
View
B+
Retailer 11
-
$4,319 USD
£3,401 GBP
View
B+
Retailer 12
-
$4,454 USD
View
B+
Retailer 13
-
$4,593 USD
£3,616 GBP
View
Retailer 14
-
$4,690 USD
A$7,215 AUD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
$4,693 USD
View
B+
Retailer 16
-
$4,709 USD
View
Retailer 17
-
$4,720 USD
View
Price last confirmed 17 days ago
B+
Retailer 18
-
$4,831 USD
€4,601 EUR
View
B
Retailer 19
-
$5,518 USD
ZAR 89,144 ZAR
View
B
Retailer 20
-
$6,120 USD
View
B
Retailer 21
-
$7,419 USD
£5,842 GBP
View
Most Expensive
B
NZ Jewellers
eea088da-c988-4125-ad18-59a278d9a39f · Oct 30
$7,821 USD
View
21 more retailers have this diamond
Prices start from $3,654 USDSave up to $4,167 USD

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
$3,654 USD