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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6532007868

Certificate GIA 6532007868

Diamond specifications and retailer prices

From $7,131 AUD
As of November 1, 2026
Save $8,731 AUD (55%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $15,862 AUD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6532007868. Listed at 26 retailers as of November 1, 2026, with prices from $7,131 to $15,862, a $8,731 spread on the same certified stone. NZ Jewellers lists it at $15,862. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6532007868
Dimensions7.26 × 7.32 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.26 mm7.32 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532007868
Side View
Table 58.0%Crown 35°Girdle: Medium to Slightly ThickPavilion 41.6°Culet: NoneDepth 62.8%

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: $15,862 AUD|Low: $7,131 AUD|High: $15,862 AUD|Avg: $9,224 AUD
NZ Jewellers
Retailer 2
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Retailer 19
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Retailer 22
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Retailer 24
Retailer 25
November 6, 2026
Retailer 3$7,131 AUD
Retailer 6$7,230 AUD
Retailer 7$7,284 AUD
Retailer 12$7,494 AUD
Retailer 2$7,497 AUD
Retailer 8$7,591 AUD
Retailer 14$7,930 AUD
Retailer 25$8,019 AUD
Retailer 18$8,291 AUD
Retailer 15$8,421 AUD
Retailer 9$8,478 AUD
Retailer 4$8,593 AUD
Retailer 5$8,593 AUD
Retailer 10$8,593 AUD
Retailer 24$8,747 AUD
Retailer 19$8,948 AUD
Retailer 17$9,392 AUD
Retailer 13$9,702 AUD
Retailer 11$9,914 AUD
Retailer 20$10,103 AUD
Retailer 16$10,457 AUD
Retailer 21$11,572 AUD
Retailer 23$13,745 AUD
Retailer 22$13,935 AUD
NZ Jewellers$15,862 AUD

29 data points across 25 retailers

26 retailers$7,131 AUD to $15,862 AUD

A
Cheapest Retailer
-
$7,131 AUD
A
Retailer 2
-
$7,230 AUD
View
A
Retailer 3
-
$7,284 AUD
View
A
Retailer 4
-
$7,494 AUD
View
A
Retailer 5
-
$7,497 AUD
View
A
Retailer 6
-
$7,591 AUD
View
B+
Retailer 7
-
$7,930 AUD
View
Final sale: no returns
B+
Retailer 8
-
$8,019 AUD
View
B+
Retailer 9
-
$8,291 AUD
View
B+
Retailer 10
-
$8,421 AUD
View
B+
Retailer 11
-
$8,478 AUD
View
B+
Retailer 12
-
$8,593 AUD
View
Retailer 13
-
$8,593 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$8,593 AUD
View
B+
Retailer 15
-
$8,747 AUD
View
B+
Retailer 16
-
$8,948 AUD
View
Retailer 17
-
$9,077 AUD
View
Price last confirmed 33 days ago
B+
Retailer 18
-
$9,392 AUD
View
B+
Retailer 19
-
$9,702 AUD
View
B+
Retailer 20
-
$9,914 AUD
View
B+
Retailer 21
-
$10,103 AUD
View
Retailer 22
-
$10,457 AUD
View
Price last confirmed 14 days ago
B+
Retailer 23
-
$11,572 AUD
View
B
Retailer 24
-
$13,745 AUD
View
B
Retailer 25
-
$13,935 AUD
View
Most Expensive
B
NZ Jewellers
f32ba4af-7690-4b3f-bc30-144d71be6371 · Nov 5
$15,862 AUD
$10,899 USD
View
25 more retailers have this diamond
Prices start from $7,131 AUDSave up to $8,731 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
$7,131 AUD