CaratHunter
Plans
Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2527673497

Certificate GIA 2527673497

Diamond specifications and retailer prices

From $6,781 AUD
As of November 6, 2026
Save $7,913 AUD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $14,694 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 2527673497. Listed at 25 retailers as of November 5, 2026, with prices from $6,781 to $14,694, a $7,913 spread on the same certified stone. NZ Jewellers lists it at $14,694. 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 angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2527673497
Dimensions7.31 × 7.26 × 4.51 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.31 mm7.26 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527673497
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.8%

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 6
Current: $14,694 AUD|Low: $6,463 AUD|High: $14,694 AUD|Avg: $9,277 AUD|+4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 6, 2026
Retailer 10$6,781 AUD
Retailer 2$6,843 AUD
Retailer 16$7,437 AUD
Retailer 18$7,519 AUD
Retailer 9$7,661 AUD
Retailer 5$8,080 AUD
Retailer 8$8,109 AUD
Retailer 4$8,187 AUD
Retailer 20$8,428 AUD
Retailer 15$8,435 AUD
Retailer 6$8,674 AUD
Retailer 7$8,785 AUD
Retailer 23$8,785 AUD
Retailer 13$8,986 AUD
Retailer 3$9,012 AUD
Retailer 11$9,077 AUD
Retailer 19$9,335 AUD
Retailer 12$10,137 AUD
Retailer 17$10,718 AUD
Retailer 14$12,876 AUD
Retailer 21$12,908 AUD
Retailer 22$13,235 AUD
NZ Jewellers$14,694 AUD

17 data points across 23 retailers

25 retailers$6,781 AUD to $14,694 AUD

A
Cheapest Retailer
-
$6,781 AUD
A
Retailer 2
-
$6,843 AUD
View
A
Retailer 3
-
$7,386 AUD
View
Retailer 4
-
$7,437 AUD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$7,519 AUD
View
B+
Retailer 6
-
$7,661 AUD
View
A
Retailer 7
-
$8,080 AUD
View
A
Retailer 8
-
$8,109 AUD
View
Final sale: no returns
B+
Retailer 9
-
$8,187 AUD
View
B+
Retailer 10
-
$8,428 AUD
View
Retailer 11
-
$8,435 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$8,674 AUD
View
Retailer 13
-
$8,684 AUD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
$8,785 AUD
View
B+
Retailer 15
-
$8,785 AUD
View
B+
Retailer 16
-
$8,986 AUD
View
B+
Retailer 17
-
$9,012 AUD
View
B+
Retailer 18
-
$9,077 AUD
View
B+
Retailer 19
-
$9,335 AUD
View
B
Retailer 20
-
$10,137 AUD
View
B
Retailer 21
-
$10,718 AUD
View
B
Retailer 22
-
$12,876 AUD
View
B
Retailer 23
-
$12,908 AUD
View
B
Retailer 24
-
$13,235 AUD
View
Most Expensive
B
NZ Jewellers
0328da95-e06d-4905-b7d6-a1d383768632 · Nov 5
$14,694 AUD
$10,096 USD
View
24 more retailers have this diamond
Prices start from $6,781 AUDSave up to $7,913 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
$6,781 AUD