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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 €3,823 EUR
As of November 5, 2026
Save €3,773 EUR (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €7,596 EUR 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 €3,823 to €7,596, a €3,773 spread on the same certified stone. NZ Jewellers lists it at €7,596. 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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Price History

Last verified: Nov 5
Current: €7,596 EUR|Low: €3,239 EUR|High: €7,596 EUR|Avg: €4,764 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3€3,823 EUR
Retailer 5€4,025 EUR
Retailer 2€4,057 EUR
Retailer 9€4,316 EUR
Retailer 7€4,360 EUR
Retailer 8€4,360 EUR
Retailer 6€4,629 EUR
Retailer 4€6,926 EUR
NZ Jewellers€7,596 EUR

40 data points across 9 retailers

9 retailers€3,823 EUR to €7,596 EUR

A
Cheapest Retailer
-
€3,823 EUR
A
Retailer 2
-
€4,025 EUR
View
Final sale: no returns
A
Retailer 3
-
€4,057 EUR
View
Retailer 4
-
€4,316 EUR
View
Price last confirmed 10 days ago
A
Retailer 5
-
€4,360 EUR
View
A
Retailer 6
-
€4,360 EUR
View
A
Retailer 7
-
€4,629 EUR
View
B
Retailer 8
-
€6,926 EUR
View
Most Expensive
B
NZ Jewellers
ad414c9d-37a7-4ff5-a2e8-f8728f3bc475 · Nov 5
€7,596 EUR
$8,481 USD
View
8 more retailers have this diamond
Prices start from €3,823 EURSave up to €3,773 EUR

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
€3,823 EUR