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Round|Natural|GIA

1.50ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2544989670

Certificate GIA 2544989670

Diamond specifications and retailer prices

From $10,176 AUD
$7,148 USD
As of October 30, 2026
Save $12,783 AUD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $22,958 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round 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 and certified by GIA 2544989670. Listed at 20 retailers as of October 30, 2026, with prices from $10,176 to $22,958, a $12,783 spread on the same certified stone. NZ Jewellers lists it at $22,958. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2544989670
Dimensions7.29 × 7.31 × 4.57 mm
L/W Ratio1.00
Top View
7.29 mm7.31 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544989670
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: Oct 30
Current: $22,958 AUD|Low: $10,006 AUD|High: $22,958 AUD|Avg: $14,357 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9$10,176 AUD
Retailer 7$11,007 AUD
Retailer 12$11,478 AUD
Retailer 10$12,435 AUD
Retailer 8$12,627 AUD
Retailer 2$12,729 AUD
Retailer 5$14,302 AUD
Retailer 11$14,348 AUD
Retailer 3$15,113 AUD
Retailer 4$16,363 AUD
Retailer 6$19,233 AUD
NZ Jewellers$22,958 AUD

41 data points across 12 retailers

20 retailers$10,176 AUD to $22,958 AUD

A
Cheapest Retailer
-
$10,176 AUD
$7,148 USD
A
Retailer 2
-
$10,407 AUD
$7,310 USD
View
A
Retailer 3
-
$11,007 AUD
$7,732 USD
View
Final sale: no returns
A
Retailer 4
-
$11,053 AUD
$7,764 USD
View
A
Retailer 5
-
$11,279 AUD
CA$11,004 CAD
View
B+
Retailer 6
-
$12,233 AUD
$8,593 USD
View
B+
Retailer 7
-
$12,435 AUD
$8,735 USD
View
B+
Retailer 8
-
$12,627 AUD
$8,870 USD
View
B+
Retailer 9
-
$12,729 AUD
£7,040 GBP
View
B+
Retailer 10
-
$12,736 AUD
$8,946 USD
View
B+
Retailer 11
-
$13,191 AUD
$9,266 USD
View
B+
Retailer 12
-
$13,601 AUD
$9,554 USD
View
B+
Retailer 13
-
$13,610 AUD
$9,560 USD
View
B+
Retailer 14
-
$13,610 AUD
$9,560 USD
View
B+
Retailer 15
-
$14,065 AUD
$9,880 USD
View
B+
Retailer 16
-
$14,302 AUD
€9,568 EUR
View
B+
Retailer 17
-
$14,348 AUD
$10,079 USD
View
B+
Retailer 18
-
$14,646 AUD
$10,288 USD
View
B
Retailer 19
-
$19,233 AUD
£10,638 GBP
View
Most Expensive
B
NZ Jewellers
24a113c3-3058-4816-89e1-f54d8a08c8a4 · Oct 30
$22,958 AUD
$16,127 USD
View
19 more retailers have this diamond
Prices start from $10,176 AUDSave up to $12,783 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 Round
$10,176 AUD