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Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 2544288656

Certificate GIA 2544288656

Diamond specifications and retailer prices

From $6,177 NZD
HK$27,200 HKD
As of November 1, 2026
Save $6,223 NZD (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $14,954 NZD at NZ Jewellers · As of September 25, 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 2544288656. Listed at 17 retailers as of November 1, 2026, with a 101% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle43°
OriginNatural
Grading LabGIA
CertificateGIA 2544288656
Dimensions6.62 × 7.86 × 4.98 mm
L/W Ratio1.19
Top View
6.62 mm7.86 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544288656
Side View
Table 58.0%CrownGirdle: STK-VTKPavilion 43°Culet: NoneDepth 63.4%

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 1
Current: $6,607 NZD|Low: $6,177 NZD|High: $13,689 NZD|Avg: $8,177 NZD|+3.2%
Retailer 1
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
November 2, 2026
Retailer 12$6,177 NZD
Retailer 11$6,283 NZD
Retailer 9$6,595 NZD
Retailer 1$6,607 NZD
Retailer 2$6,867 NZD
Retailer 14$7,043 NZD
Retailer 5$7,056 NZD
Retailer 3$7,062 NZD
Retailer 10$7,505 NZD
Retailer 8$8,083 NZD
Retailer 6$8,349 NZD
Retailer 7$8,424 NZD
Retailer 15$9,781 NZD
Retailer 13$12,400 NZD
Retailer 4$13,116 NZD

27 data points across 15 retailers

17 retailers$6,177 NZD to $12,400 NZD

A
Cheapest Retailer
-
$6,177 NZD
HK$27,200 HKD
A
Retailer 2
-
$6,283 NZD
$3,541 USD
View
A
Retailer 3
-
$6,595 NZD
$3,717 USD
View
A
Retailer 4
-
$6,607 NZD
$3,724 USD
View
Final sale: no returns
A
Retailer 5
-
$6,867 NZD
$3,870 USD
View
A
Retailer 6
-
$7,043 NZD
€3,780 EUR
View
A
Retailer 7
-
$7,056 NZD
$3,977 USD
View
A
Retailer 8
-
$7,062 NZD
$3,980 USD
View
A
Retailer 9
-
$7,505 NZD
$4,230 USD
View
B+
Retailer 10
-
$8,083 NZD
£3,587 GBP
View
B+
Retailer 11
-
$8,349 NZD
$4,706 USD
View
Retailer 12
-
$8,424 NZD
A$7,304 AUD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
$9,109 NZD
A$7,898 AUD
View
B+
Retailer 14
-
$9,781 NZD
ZAR 89,057 ZAR
View
B
Retailer 15
-
$12,400 NZD
£5,503 GBP
View
Retailer 16
-
$13,116 NZD
$7,392 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
800dfda8-04a8-4f54-91df-e519e21560f8 · Sep 25
$14,954 NZD
$8,428 USD
View
Price last confirmed 37 days ago
16 more retailers have this diamond
Prices start from $6,177 NZDSave up to $6,223 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
$6,177 NZD