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Heart|Natural|GIA

1.50ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 7556184946

Certificate GIA 7556184946

Diamond specifications and retailer prices

From $4,659 NZD
As of November 6, 2026
Save $895 NZD (16%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,554 NZD at Blue Nile · As of November 5, 2026
View at Blue Nile

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 7556184946. Listed at 6 retailers as of November 5, 2026, with prices from $4,659 to $5,554, a $895 spread on the same certified stone. Blue Nile lists it at $5,554. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556184946
Dimensions7.26 × 7.93 × 4.70 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud
Top View
7.26 mm7.93 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556184946
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,554 NZD|Low: $4,659 NZD|High: $6,575 NZD|Avg: $5,319 NZD|-15.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$4,659 NZD
Retailer 6$4,779 NZD
Retailer 2$4,791 NZD
Retailer 3$5,002 NZD
Retailer 5$5,401 NZD
Blue Nile$5,554 NZD

45 data points across 6 retailers

6 retailers$4,659 NZD to $5,554 NZD

A
Cheapest Retailer
-
$4,659 NZD
A
Retailer 2
-
$4,779 NZD
View
A
Retailer 3
-
$4,791 NZD
View
A
Retailer 4
-
$5,002 NZD
View
A
Retailer 5
-
$5,401 NZD
View
Most Expensive
A
Blue Nile
29040818 · Nov 5
$5,554 NZD
$3,079 USD
View
5 more retailers have this diamond
Prices start from $4,659 NZDSave up to $895 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
$4,659 NZD