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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 $7,063 NZD
HK$31,100 HKD
As of November 1, 2026
Save $8,199 NZD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $15,263 NZD 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 $7,063 to $15,263, a $8,199 spread on the same certified stone. NZ Jewellers lists it at $15,263. 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: $7,191 NZD|Low: $7,063 NZD|High: $14,710 NZD|Avg: $9,415 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10$7,063 NZD
Retailer 1$7,191 NZD
Retailer 11$8,092 NZD
Retailer 2$8,423 NZD
Retailer 8$8,492 NZD
Retailer 4$8,780 NZD
Retailer 6$9,109 NZD
Retailer 3$9,199 NZD
Retailer 5$10,325 NZD
Retailer 9$11,217 NZD
Retailer 7$14,534 NZD

25 data points across 11 retailers

25 retailers$7,063 NZD to $15,263 NZD

A
Cheapest Retailer
-
$7,063 NZD
HK$31,100 HKD
A
Retailer 2
-
$7,191 NZD
₹385,988 INR
View
B+
Retailer 3
-
$7,791 NZD
$4,391 USD
View
B+
Retailer 4
-
$7,960 NZD
$4,486 USD
View
B+
Retailer 5
-
$8,092 NZD
SGD 6,163 SGD
View
B+
Retailer 6
-
$8,423 NZD
$4,747 USD
View
Final sale: no returns
B+
Retailer 7
-
$8,492 NZD
$4,786 USD
View
B+
Retailer 8
-
$8,570 NZD
$4,830 USD
View
B+
Retailer 9
-
$8,780 NZD
£3,896 GBP
View
B+
Retailer 10
-
$8,976 NZD
SGD 6,836 SGD
View
B+
Retailer 11
-
$9,109 NZD
£4,042 GBP
View
B
Retailer 12
-
$9,125 NZD
$5,143 USD
View
B
Retailer 13
-
$9,125 NZD
$5,143 USD
View
B
Retailer 14
-
$9,125 NZD
$5,143 USD
View
Retailer 15
-
$9,199 NZD
A$7,976 AUD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$9,395 NZD
$5,295 USD
View
B
Retailer 17
-
$9,446 NZD
$5,324 USD
View
B
Retailer 18
-
$9,574 NZD
$5,396 USD
View
B+
Retailer 19
-
$10,325 NZD
€5,542 EUR
View
B
Retailer 20
-
$10,529 NZD
$5,934 USD
View
B
Retailer 21
-
$11,217 NZD
ZAR 102,129 ZAR
View
B
Retailer 22
-
$13,396 NZD
$7,550 USD
View
B
Retailer 23
-
$13,771 NZD
$7,762 USD
View
B
Retailer 24
-
$14,534 NZD
£6,450 GBP
View
Most Expensive
B
NZ Jewellers
59d7d7c6-3498-47e1-8c27-a3a8459836ca · Oct 30
$15,263 NZD
$8,602 USD
View
24 more retailers have this diamond
Prices start from $7,063 NZDSave up to $8,199 NZD

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
$7,063 NZD