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Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7432037233

Certificate GIA 7432037233

Diamond specifications and retailer prices

From $5,661 AUD
As of November 6, 2026
Save $7,351 AUD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,012 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7432037233. Listed at 19 retailers as of November 5, 2026, with prices from $5,661 to $13,012, a $7,351 spread on the same certified stone. NZ Jewellers lists it at $13,012. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7432037233
Dimensions7.30 × 7.26 × 4.57 mm
L/W Ratio1.01
Top View
7.30 mm7.26 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7432037233
Side View
Table 57.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.8%

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: $13,012 AUD|Low: $5,631 AUD|High: $13,131 AUD|Avg: $8,337 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 2$5,661 AUD
Retailer 16$5,685 AUD
Retailer 6$6,583 AUD
Retailer 4$6,618 AUD
Retailer 10$7,157 AUD
Retailer 9$7,224 AUD
Retailer 17$7,285 AUD
Retailer 12$7,467 AUD
Retailer 3$7,780 AUD
Retailer 5$7,780 AUD
Retailer 18$8,000 AUD
Retailer 14$8,015 AUD
Retailer 7$8,142 AUD
Retailer 11$8,471 AUD
Retailer 8$8,977 AUD
Retailer 13$9,492 AUD
Retailer 15$12,391 AUD
NZ Jewellers$13,012 AUD

26 data points across 18 retailers

19 retailers$5,661 AUD to $13,012 AUD

A
Cheapest Retailer
-
$5,661 AUD
B+
Retailer 2
-
$5,685 AUD
View
B+
Retailer 3
-
$6,583 AUD
View
B+
Retailer 4
-
$6,618 AUD
View
Retailer 5
-
$7,157 AUD
View
Price last confirmed 12 days ago
Retailer 6
-
$7,224 AUD
View
Price last confirmed 10 days ago
B
Retailer 7
-
$7,285 AUD
View
B+
Retailer 8
-
$7,467 AUD
View
B
Retailer 9
-
$7,780 AUD
View
B
Retailer 10
-
$7,780 AUD
View
B
Retailer 11
-
$8,000 AUD
View
B+
Retailer 12
-
$8,015 AUD
View
B
Retailer 13
-
$8,142 AUD
View
B+
Retailer 14
-
$8,471 AUD
View
B
Retailer 15
-
$8,977 AUD
View
B
Retailer 16
-
$9,492 AUD
View
B
Retailer 17
-
$10,539 AUD
View
B
Retailer 18
-
$12,391 AUD
View
Most Expensive
B
NZ Jewellers
484aa175-a8e2-4067-b78c-dfe03a6486e4 · Nov 5
$13,012 AUD
$9,109 USD
View
18 more retailers have this diamond
Prices start from $5,661 AUDSave up to $7,351 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
$5,661 AUD