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Heart|Natural|GIA

1.54ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 2554109389

Certificate GIA 2554109389

Diamond specifications and retailer prices

From $5,654 NZD
$3,181 USD
As of November 2, 2026
Save $849 NZD (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,502 NZD at Michael Trio · As of November 1, 2026
View at Michael Trio

About this 1.54ct natural heart diamond

This 1.54ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554109389. Listed at 4 retailers as of November 1, 2026, with prices from $5,654 to $6,502, a $849 spread on the same certified stone. Michael Trio lists it at $6,502. 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

1.54
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554109389
Dimensions7.02 × 8.20 × 4.64 mm
L/W Ratio1.17
Top View
7.02 mm8.20 mm1.54 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554109389
Side View
Table 56.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.6%

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 2
Current: $6,502 NZD|Low: $5,634 NZD|High: $8,606 NZD|Avg: $6,882 NZD|-16.1%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 4$5,654 NZD
Retailer 3$6,080 NZD
Retailer 5$6,202 NZD
Retailer 2$6,494 NZD
Michael Trio$6,502 NZD
Retailer 6$8,606 NZD

39 data points across 6 retailers

4 retailers$5,654 NZD to $6,502 NZD

A
Cheapest Retailer
-
$5,654 NZD
$3,181 USD
Final sale: no returns
A
Retailer 2
-
$6,080 NZD
$3,421 USD
View
A
Retailer 3
-
$6,494 NZD
£2,877 GBP
View
Most Expensive
A
Michael Trio
4156086057 · Nov 1
$6,502 NZD
SGD 4,944 SGD
View
3 more retailers have this diamond
Prices start from $5,654 NZDSave up to $849 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
1.54ct Heart
$5,654 NZD