Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 5556934240

Certificate GIA 5556934240

Diamond specifications and retailer prices

From $6,336 NZD
HK$27,900 HKD
As of November 2, 2026
Save $8,504 NZD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $14,840 NZD at NZ Jewellers · As of October 30, 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 5556934240. Listed at 20 retailers as of October 30, 2026, with prices from $6,336 to $14,840, a $8,504 spread on the same certified stone. NZ Jewellers lists it at $14,840. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556934240
Dimensions7.17 × 7.69 × 4.70 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Cavity
Top View
7.17 mm7.69 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556934240
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.1%

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 2
Current: $14,840 NZD|Low: $6,314 NZD|High: $14,840 NZD|Avg: $9,077 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 10$6,336 NZD
Retailer 2$6,782 NZD
Retailer 7$7,514 NZD
Retailer 14$7,810 NZD
Retailer 11$8,029 NZD
Retailer 8$8,116 NZD
Retailer 15$8,414 NZD
Retailer 3$8,518 NZD
Retailer 4$8,518 NZD
Retailer 6$8,518 NZD
Retailer 9$8,676 NZD
Retailer 13$8,729 NZD
Retailer 12$9,572 NZD
Retailer 5$9,828 NZD
Retailer 17$10,470 NZD
Retailer 16$13,567 NZD
NZ Jewellers$14,840 NZD

24 data points across 17 retailers

20 retailers$6,336 NZD to $14,840 NZD

A
Cheapest Retailer
-
$6,336 NZD
HK$27,900 HKD
A
Retailer 2
-
$6,782 NZD
₹364,059 INR
View
A
Retailer 3
-
$7,514 NZD
SGD 5,723 SGD
View
A
Retailer 4
-
$7,810 NZD
$4,402 USD
View
Final sale: no returns
B+
Retailer 5
-
$7,812 NZD
$4,403 USD
View
B+
Retailer 6
-
$7,816 NZD
$4,405 USD
View
B+
Retailer 7
-
$8,029 NZD
£3,563 GBP
View
Retailer 8
-
$8,116 NZD
SGD 6,181 SGD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$8,414 NZD
£3,734 GBP
View
B+
Retailer 10
-
$8,518 NZD
$4,801 USD
View
B+
Retailer 11
-
$8,518 NZD
$4,801 USD
View
B+
Retailer 12
-
$8,518 NZD
$4,801 USD
View
Retailer 13
-
$8,642 NZD
A$7,493 AUD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
$8,676 NZD
$4,890 USD
View
B+
Retailer 15
-
$8,729 NZD
$4,920 USD
View
B+
Retailer 16
-
$9,572 NZD
€5,138 EUR
View
B+
Retailer 17
-
$9,828 NZD
$5,539 USD
View
B
Retailer 18
-
$10,470 NZD
ZAR 95,334 ZAR
View
B
Retailer 19
-
$13,567 NZD
£6,021 GBP
View
Most Expensive
B
NZ Jewellers
bb6badf4-3045-4ab7-ba0e-cdeb5d73db84 · Oct 30
$14,840 NZD
$8,364 USD
View
19 more retailers have this diamond
Prices start from $6,336 NZDSave up to $8,504 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
$6,336 NZD