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Heart|Natural|GIA

1.54ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 2537604667

Certificate GIA 2537604667

Diamond specifications and retailer prices

From $7,699 NZD
As of November 5, 2026
Save $7,600 NZD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $15,299 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural heart diamond

This 1.54ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2537604667. Listed at 9 retailers as of November 5, 2026, with prices from $7,699 to $15,299, a $7,600 spread on the same certified stone. NZ Jewellers lists it at $15,299. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2537604667
Dimensions7.73 × 6.80 × 4.25 mm
L/W Ratio1.14
Top View
7.73 mm6.80 mm1.54 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2537604667
Side View
Table 60.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

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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 5
Current: $15,299 NZD|Low: $6,523 NZD|High: $15,299 NZD|Avg: $9,595 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$7,699 NZD
Retailer 5$8,107 NZD
Retailer 2$8,172 NZD
Retailer 9$8,693 NZD
Retailer 7$8,781 NZD
Retailer 8$8,781 NZD
Retailer 6$9,323 NZD
Retailer 4$13,950 NZD
NZ Jewellers$15,299 NZD

40 data points across 9 retailers

9 retailers$7,699 NZD to $15,299 NZD

A
Cheapest Retailer
-
$7,699 NZD
A
Retailer 2
-
$8,107 NZD
View
Final sale: no returns
A
Retailer 3
-
$8,172 NZD
View
Retailer 4
-
$8,693 NZD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$8,781 NZD
View
A
Retailer 6
-
$8,781 NZD
View
A
Retailer 7
-
$9,323 NZD
View
B
Retailer 8
-
$13,950 NZD
View
Most Expensive
B
NZ Jewellers
ad414c9d-37a7-4ff5-a2e8-f8728f3bc475 · Nov 5
$15,299 NZD
$8,481 USD
View
8 more retailers have this diamond
Prices start from $7,699 NZDSave up to $7,600 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
$7,699 NZD