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Round|Natural|GIA

1.50ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6522731906

Certificate GIA 6522731906

Diamond specifications and retailer prices

From $9,369 AUD
$6,581 USD
As of October 30, 2026
Save $11,346 AUD (55%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $20,715 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 6522731906. Listed at 25 retailers as of October 30, 2026, with prices from $9,369 to $20,715, a $11,346 spread on the same certified stone. NZ Jewellers lists it at $20,715. 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 angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6522731906
Dimensions7.30 × 7.25 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.30 mm7.25 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522731906
Side View
Table 57.0%Crown 36.5°Girdle: Sli. ThickPavilion 41.2°Culet: NoneDepth 62.9%

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: $20,715 AUD|Low: $8,187 AUD|High: $20,715 AUD|Avg: $12,459 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$9,698 AUD
Retailer 6$9,825 AUD
Retailer 7$10,355 AUD
Retailer 10$10,357 AUD
Retailer 11$11,221 AUD
Retailer 8$11,393 AUD
Retailer 2$11,462 AUD
Retailer 9$12,946 AUD
Retailer 4$13,344 AUD
Retailer 5$17,284 AUD
NZ Jewellers$20,715 AUD

40 data points across 11 retailers

25 retailers$9,369 AUD to $20,715 AUD

A
Cheapest Retailer
-
$9,369 AUD
$6,581 USD
A
Retailer 2
-
$9,645 AUD
View
A
Retailer 3
-
$9,698 AUD
$6,812 USD
View
A
Retailer 4
-
$9,825 AUD
$6,901 USD
View
A
Retailer 5
-
$9,947 AUD
$6,987 USD
View
A
Retailer 6
-
$10,355 AUD
$7,274 USD
View
Final sale: no returns
A
Retailer 7
-
$10,357 AUD
$7,275 USD
View
B+
Retailer 8
-
$11,033 AUD
$7,750 USD
View
Retailer 9
-
$11,221 AUD
$7,882 USD
View
Price last confirmed 49 days ago
B+
Retailer 10
-
$11,221 AUD
$7,882 USD
View
B+
Retailer 11
-
$11,393 AUD
$8,003 USD
View
B+
Retailer 12
-
$11,461 AUD
$8,051 USD
View
A
Retailer 13
-
$11,462 AUD
£6,340 GBP
View
B+
Retailer 14
-
$11,592 AUD
$8,143 USD
View
B+
Retailer 15
-
$12,343 AUD
$8,670 USD
View
B+
Retailer 16
-
$12,343 AUD
$8,670 USD
View
B+
Retailer 17
-
$12,518 AUD
$8,793 USD
View
B+
Retailer 18
-
$12,755 AUD
$8,960 USD
View
B+
Retailer 19
-
$12,946 AUD
$9,094 USD
View
Retailer 20
-
$12,946 AUD
$9,094 USD
View
Price last confirmed 54 days ago
B+
Retailer 21
-
$13,344 AUD
€8,927 EUR
View
Retailer 22
-
$13,640 AUD
$9,581 USD
View
Price last confirmed 7 days ago
B
Retailer 23
-
$17,284 AUD
£9,560 GBP
View
Retailer 24
-
$20,715 AUD
$14,551 USD
View
Price last confirmed 50 days ago
Most Expensive
B
NZ Jewellers
49bc86d9-98a7-4447-9579-ddd4a50fb660 · Oct 30
$20,715 AUD
$14,551 USD
View
24 more retailers have this diamond
Prices start from $9,369 AUDSave up to $11,346 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
$9,369 AUD