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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 $6,869 AUD
HK$37,700 HKD
As of October 29, 2026
Save $8,024 AUD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $14,893 AUD 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 29, 2026, with prices from $6,869 to $14,893, a $8,024 spread on the same certified stone. NZ Jewellers lists it at $14,893. 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 29
Current: $8,416 AUD|Low: $7,034 AUD|High: $13,278 AUD|Avg: $8,907 AUD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3$7,082 AUD
Retailer 8$7,951 AUD
Retailer 7$8,219 AUD
Retailer 6$8,240 AUD
Retailer 1$8,416 AUD
Retailer 2$8,542 AUD
Retailer 5$9,716 AUD
Retailer 4$13,189 AUD

25 data points across 8 retailers

22 retailers$6,869 AUD to $14,893 AUD

A
Cheapest Retailer
-
$6,869 AUD
HK$37,700 HKD
A
Retailer 2
-
$7,082 AUD
₹473,873 INR
View
A
Retailer 3
-
$7,534 AUD
$5,293 USD
View
A
Retailer 4
-
$7,766 AUD
$5,456 USD
View
Retailer 5
-
$7,907 AUD
SGD 7,507 SGD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$7,951 AUD
SGD 7,549 SGD
View
A
Retailer 7
-
$8,219 AUD
$5,774 USD
View
Final sale: no returns
A
Retailer 8
-
$8,240 AUD
$5,789 USD
View
A
Retailer 9
-
$8,416 AUD
£4,656 GBP
View
A
Retailer 10
-
$8,542 AUD
£4,725 GBP
View
A
Retailer 11
-
$8,811 AUD
$6,190 USD
View
A
Retailer 12
-
$8,905 AUD
$6,256 USD
View
A
Retailer 13
-
$8,905 AUD
$6,256 USD
View
A
Retailer 14
-
$8,905 AUD
$6,256 USD
View
A
Retailer 15
-
$9,129 AUD
$6,413 USD
View
A
Retailer 16
-
$9,262 AUD
$6,507 USD
View
A
Retailer 17
-
$9,281 AUD
$6,521 USD
View
A
Retailer 18
-
$9,716 AUD
€6,501 EUR
View
A
Retailer 19
-
$10,274 AUD
$7,218 USD
View
B+
Retailer 20
-
$13,189 AUD
£7,296 GBP
View
B
Retailer 21
-
$13,533 AUD
$9,507 USD
View
Most Expensive
B
NZ Jewellers
c54a759b-f282-41ad-8709-bd3bff0daf85 · Oct 30
$14,893 AUD
$10,463 USD
View
21 more retailers have this diamond
Prices start from $6,869 AUDSave up to $8,024 AUD

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
$6,869 AUD