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Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2547695652

Certificate GIA 2547695652

Diamond specifications and retailer prices

From $9,824 AUD
As of November 1, 2026
Save $2,449 AUD (20%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,273 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547695652. Listed at 8 retailers as of November 1, 2026, with prices from $9,824 to $12,273, a $2,449 spread on the same certified stone. Blue Nile lists it at $12,273. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547695652
Dimensions8.79 × 6.50 × 4.12 mm
L/W Ratio1.35
Top View
8.79 mm6.50 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547695652
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.4%

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: Nov 1
Current: $12,273 AUD|Low: $9,479 AUD|High: $12,867 AUD|Avg: $10,892 AUD|-4.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$9,824 AUD
Retailer 2$10,138 AUD
Retailer 4$10,138 AUD
Retailer 6$10,482 AUD
Retailer 3$10,686 AUD
Retailer 7$10,899 AUD
Retailer 8$11,138 AUD
Blue Nile$12,273 AUD

43 data points across 8 retailers

8 retailers$9,824 AUD to $12,273 AUD

A
Cheapest Retailer
-
$9,824 AUD
A
Retailer 2
-
$10,138 AUD
View
A
Retailer 3
-
$10,138 AUD
View
A
Retailer 4
-
$10,482 AUD
View
A
Retailer 5
-
$10,686 AUD
View
B+
Retailer 6
-
$10,899 AUD
View
Final sale: no returns
A
Retailer 7
-
$11,138 AUD
View
Most Expensive
B+
Blue Nile
28349858 · Nov 5
$12,273 AUD
$8,433 USD
View
7 more retailers have this diamond
Prices start from $9,824 AUDSave up to $2,449 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
$9,824 AUD