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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 $3,374 AUD
As of November 6, 2026
Save $511 AUD (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,885 AUD 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 $3,374 to $3,885, a $511 spread on the same certified stone. Michael Trio lists it at $3,885. 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: $3,885 AUD|Low: $3,193 AUD|High: $4,387 AUD|Avg: $3,705 AUD|-11.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 4$3,374 AUD
Retailer 3$3,387 AUD
Retailer 2$3,583 AUD
Michael Trio$3,885 AUD

41 data points across 4 retailers

4 retailers$3,374 AUD to $3,885 AUD

A
Cheapest Retailer
-
$3,374 AUD
A
Retailer 2
-
$3,387 AUD
View
Final sale: no returns
A
Retailer 3
-
$3,583 AUD
View
Most Expensive
B+
Michael Trio
3946138440 · Nov 6
$3,885 AUD
SGD 3,607 SGD
View
3 more retailers have this diamond
Prices start from $3,374 AUDSave up to $511 AUD

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
$3,374 AUD