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Heart|Natural|GIA

1.50ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6565167214

Certificate GIA 6565167214

Diamond specifications and retailer prices

From $4,181 NZD
As of November 6, 2026
Save $633 NZD (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,815 NZD at Michael Trio · As of November 6, 2026
View at Michael Trio

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565167214. Listed at 4 retailers as of November 6, 2026, with prices from $4,181 to $4,815, a $633 spread on the same certified stone. Michael Trio lists it at $4,815. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565167214
Dimensions7.33 × 7.73 × 4.38 mm
L/W Ratio1.05
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural, Extra Facet
Top View
7.33 mm7.73 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6565167214
Side View
Table 59.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 56.7%

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: $4,815 NZD|Low: $3,958 NZD|High: $5,437 NZD|Avg: $4,600 NZD|-11.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$4,181 NZD
Retailer 3$4,198 NZD
Retailer 2$4,454 NZD
Michael Trio$4,815 NZD

41 data points across 4 retailers

4 retailers$4,181 NZD to $4,815 NZD

A
Cheapest Retailer
-
$4,181 NZD
A
Retailer 2
-
$4,198 NZD
View
Final sale: no returns
A
Retailer 3
-
$4,454 NZD
View
Most Expensive
B+
Michael Trio
3946138440 · Nov 6
$4,815 NZD
SGD 3,607 SGD
View
3 more retailers have this diamond
Prices start from $4,181 NZDSave up to $633 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
$4,181 NZD