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Oval|Natural|GIA

1.50ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 6495452358

Certificate GIA 6495452358

Diamond specifications and retailer prices

From $8,562 NZD
HK$37,700 HKD
As of October 30, 2026
Save $10,002 NZD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,565 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6495452358. Listed at 22 retailers as of October 30, 2026, with prices from $8,562 to $18,565, a $10,002 spread on the same certified stone. NZ Jewellers lists it at $18,565. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.88°
Pavilion angle39.35°
OriginNatural
Grading LabGIA
CertificateGIA 6495452358
Dimensions8.96 × 6.32 × 3.92 mm
L/W Ratio1.42
Top View
8.96 mm6.32 mm1.50 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6495452358
Side View
Table 60.0%Crown 39.88°Girdle: STK-THKPavilion 39.35°Culet: NoneDepth 62.0%

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 30
Current: $8,822 NZD|Low: $8,769 NZD|High: $16,551 NZD|Avg: $11,105 NZD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 1$8,822 NZD
Retailer 8$9,912 NZD
Retailer 7$10,245 NZD
Retailer 6$10,271 NZD
Retailer 2$10,491 NZD
Retailer 3$10,648 NZD
Retailer 5$12,111 NZD
Retailer 4$16,441 NZD

25 data points across 8 retailers

22 retailers$8,562 NZD to $18,565 NZD

A
Cheapest Retailer
-
$8,562 NZD
HK$37,700 HKD
A
Retailer 2
-
$8,822 NZD
₹473,513 INR
View
A
Retailer 3
-
$9,391 NZD
$5,293 USD
View
A
Retailer 4
-
$9,681 NZD
$5,456 USD
View
Retailer 5
-
$9,857 NZD
SGD 7,507 SGD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$9,912 NZD
SGD 7,549 SGD
View
A
Retailer 7
-
$10,245 NZD
$5,774 USD
View
Final sale: no returns
A
Retailer 8
-
$10,271 NZD
$5,789 USD
View
A
Retailer 9
-
$10,491 NZD
£4,656 GBP
View
A
Retailer 10
-
$10,648 NZD
£4,725 GBP
View
A
Retailer 11
-
$10,983 NZD
$6,190 USD
View
A
Retailer 12
-
$11,100 NZD
$6,256 USD
View
A
Retailer 13
-
$11,100 NZD
$6,256 USD
View
A
Retailer 14
-
$11,100 NZD
$6,256 USD
View
A
Retailer 15
-
$11,379 NZD
$6,413 USD
View
A
Retailer 16
-
$11,545 NZD
$6,507 USD
View
A
Retailer 17
-
$11,569 NZD
$6,521 USD
View
A
Retailer 18
-
$12,111 NZD
€6,501 EUR
View
A
Retailer 19
-
$12,807 NZD
$7,218 USD
View
B+
Retailer 20
-
$16,441 NZD
£7,296 GBP
View
B
Retailer 21
-
$16,869 NZD
$9,507 USD
View
Most Expensive
B
NZ Jewellers
c54a759b-f282-41ad-8709-bd3bff0daf85 · Oct 30
$18,565 NZD
$10,463 USD
View
21 more retailers have this diamond
Prices start from $8,562 NZDSave up to $10,002 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
$8,562 NZD