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Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 5546387555

Certificate GIA 5546387555

Diamond specifications and retailer prices

From $9,693 AUD
As of November 5, 2026
Save $2,698 AUD (22%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,391 AUD at GemTrove · As of November 6, 2026
View at GemTrove

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 5546387555. Listed at 8 retailers as of November 5, 2026, with prices from $9,693 to $12,391, a $2,698 spread on the same certified stone. GemTrove lists it at $12,391. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5546387555
Dimensions8.76 × 6.50 × 4.11 mm
L/W Ratio1.35
Top View
8.76 mm6.50 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546387555
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.3%

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 5
Current: $9,789 AUD|Low: $9,181 AUD|High: $12,404 AUD|Avg: $10,601 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$9,693 AUD
Retailer 1$9,789 AUD
Retailer 4$10,012 AUD
Retailer 2$10,208 AUD
Retailer 5$10,421 AUD
Retailer 7$10,638 AUD
Retailer 6$11,744 AUD

46 data points across 7 retailers

8 retailers$9,693 AUD to $12,391 AUD

A
Cheapest Retailer
-
$9,693 AUD
A
Retailer 2
-
$9,789 AUD
View
A
Retailer 3
-
$10,012 AUD
View
A
Retailer 4
-
$10,208 AUD
View
A
Retailer 5
-
$10,421 AUD
View
Final sale: no returns
A
Retailer 6
-
$10,638 AUD
View
B+
Retailer 7
-
$11,744 AUD
View
Most Expensive
B+
GemTrove
GT-N-01286299-98 · Nov 6
$12,391 AUD
View
7 more retailers have this diamond
Prices start from $9,693 AUDSave up to $2,698 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
$9,693 AUD