CaratHunter
Plans
Heart|Natural|GIA

1.50ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2436018211

Certificate GIA 2436018211

Diamond specifications and retailer prices

From $8,159 AUD
$5,606 USD
As of November 5, 2026
7 retailers carry this diamond
Most expensive: $8,159 AUD at NZ Jewellers
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart 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 stated by the retailer rather than the lab and certified by GIA 2436018211. Listed at 7 retailers as of November 5, 2026. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2436018211
Dimensions6.53 × 7.86 × 4.79 mm
L/W Ratio1.20
Top View
6.53 mm7.86 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2436018211
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,159 AUD|Low: $3,755 AUD|High: $8,159 AUD|Avg: $4,815 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10$3,755 AUD
Retailer 2$3,828 AUD
Retailer 8$3,902 AUD
Retailer 9$3,902 AUD
Retailer 6$4,052 AUD
Retailer 3$4,090 AUD
Retailer 7$4,503 AUD
Retailer 5$4,736 AUD
Retailer 4$6,874 AUD
NZ Jewellers$8,159 AUD

28 data points across 10 retailers

7 retailers

Retailer 1
-
$3,902 AUD
Price last confirmed 21 days ago
Retailer 2
-
$3,902 AUD
View
Price last confirmed 19 days ago
Retailer 3
-
$4,052 AUD
View
Price last confirmed 21 days ago
Retailer 4
-
$4,503 AUD
View
Price last confirmed 18 days ago
Retailer 5
-
$4,736 AUD
View
Price last confirmed 20 days ago
Retailer 6
-
$6,874 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
NZ Jewellers
abe5652d-2ea0-4dc4-8e84-7919dd4468a1 · Nov 5
$8,159 AUD
$5,606 USD
View
6 more retailers have this diamond

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.

B
1.50ct Heart
$8,159 AUD