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Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1545694303

Certificate GIA 1545694303

Diamond specifications and retailer prices

From $5,386 NZD
As of November 6, 2026
Save $6,873 NZD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,259 NZD at NZ Jewellers · As of November 5, 2026
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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545694303. Listed at 14 retailers as of November 5, 2026, with prices from $5,386 to $12,259, a $6,873 spread on the same certified stone. NZ Jewellers lists it at $12,259. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1545694303
Dimensions7.93 × 6.88 × 4.68 mm
L/W Ratio1.15
Girdle conditionThick
Top View
7.93 mm6.88 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545694303
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.9%

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: $12,259 NZD|Low: $5,386 NZD|High: $12,259 NZD|Avg: $7,637 NZD
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
November 6, 2026
Retailer 2$5,386 NZD
Retailer 13$5,686 NZD
Retailer 3$6,193 NZD
Retailer 4$6,395 NZD
Retailer 6$6,640 NZD
Retailer 11$6,720 NZD
Retailer 8$7,127 NZD
Retailer 5$7,300 NZD
Retailer 12$7,757 NZD
Retailer 7$7,921 NZD
Retailer 9$8,588 NZD
Retailer 10$11,767 NZD
NZ Jewellers$12,259 NZD

26 data points across 13 retailers

14 retailers$5,386 NZD to $12,259 NZD

A
Cheapest Retailer
-
$5,386 NZD
A
Retailer 2
-
$5,686 NZD
View
Final sale: no returns
A
Retailer 3
-
$6,193 NZD
View
A
Retailer 4
-
$6,395 NZD
View
A
Retailer 5
-
$6,640 NZD
View
A
Retailer 6
-
$6,720 NZD
View
A
Retailer 7
-
$7,127 NZD
View
A
Retailer 8
-
$7,300 NZD
View
Retailer 9
-
$7,659 NZD
View
Price last confirmed 30 days ago
B+
Retailer 10
-
$7,757 NZD
View
A
Retailer 11
-
$7,921 NZD
View
B+
Retailer 12
-
$8,588 NZD
View
B+
Retailer 13
-
$11,767 NZD
View
Most Expensive
B
NZ Jewellers
b9c824c7-c3c5-4a5d-81e4-5e52dfcfde33 · Nov 5
$12,259 NZD
$6,796 USD
View
13 more retailers have this diamond
Prices start from $5,386 NZDSave up to $6,873 NZD

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 Heart
$5,386 NZD