CaratHunter
Plans
Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 3555882902

Certificate GIA 3555882902

Diamond specifications and retailer prices

From $2,970 AUD
As of November 5, 2026
Save $8,698 AUD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,668 AUD at NZ Jewellers · As of November 2, 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 3555882902. Listed at 13 retailers as of November 2, 2026, with prices from $2,970 to $11,668, a $8,698 spread on the same certified stone. NZ Jewellers lists it at $11,668. 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°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3555882902
Dimensions7.24 × 7.29 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.24 mm7.29 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555882902
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 5
Current: $11,668 AUD|Low: $2,820 AUD|High: $11,725 AUD|Avg: $4,838 AUD|-0.5%
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
November 5, 2026
Retailer 6$2,820 AUD
Retailer 2$2,970 AUD
Retailer 12$3,647 AUD
Retailer 4$4,038 AUD
Retailer 11$4,318 AUD
Retailer 13$4,350 AUD
Retailer 3$4,511 AUD
Retailer 7$4,671 AUD
Retailer 5$5,655 AUD
Retailer 9$6,068 AUD
Retailer 14$6,175 AUD
Retailer 8$6,697 AUD
Retailer 10$6,697 AUD
NZ Jewellers$11,668 AUD

30 data points across 14 retailers

13 retailers$2,970 AUD to $11,668 AUD

A
Cheapest Retailer
-
$2,970 AUD
A
Retailer 2
-
$3,647 AUD
View
A
Retailer 3
-
$4,038 AUD
View
A
Retailer 4
-
$4,318 AUD
View
A
Retailer 5
-
$4,350 AUD
View
A
Retailer 6
-
$4,511 AUD
View
A
Retailer 7
-
$4,671 AUD
View
B+
Retailer 8
-
$5,655 AUD
View
B+
Retailer 9
-
$6,068 AUD
View
B+
Retailer 10
-
$6,175 AUD
View
B+
Retailer 11
-
$6,697 AUD
View
B+
Retailer 12
-
$6,697 AUD
View
Most Expensive
B
NZ Jewellers
17da86bd-d81d-4784-8543-95fe10cd3d01 · Nov 2
$11,668 AUD
$8,168 USD
View
12 more retailers have this diamond
Prices start from $2,970 AUDSave up to $8,698 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
$2,970 AUD