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Heart|Natural|GIA

1.02ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 5423255597

Certificate GIA 5423255597

Diamond specifications and retailer prices

From €1,702 EUR
As of November 6, 2026
Save €2,236 EUR (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,938 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5423255597. Listed at 11 retailers as of November 5, 2026, with prices from €1,702 to €3,938, a €2,236 spread on the same certified stone. NZ Jewellers lists it at €3,938. 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

1.02
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5423255597
Dimensions5.78 × 6.85 × 4.12 mm
L/W Ratio1.19
Top View
5.78 mm6.85 mm1.02 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5423255597
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 60.2%

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: €3,938 EUR|Low: €1,593 EUR|High: €3,938 EUR|Avg: €2,247 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 11€1,702 EUR
Retailer 9€1,738 EUR
Retailer 8€1,744 EUR
Retailer 14€1,851 EUR
Retailer 3€1,884 EUR
Retailer 13€1,884 EUR
Retailer 12€1,884 EUR
Retailer 10€1,970 EUR
Retailer 2€2,046 EUR
Retailer 4€2,174 EUR
Retailer 5€2,241 EUR
Retailer 6€2,514 EUR
Retailer 7€3,300 EUR
NZ Jewellers€3,938 EUR

43 data points across 14 retailers

11 retailers€1,702 EUR to €3,938 EUR

A
Cheapest Retailer
-
€1,702 EUR
A
Retailer 2
-
€1,738 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,744 EUR
View
A
Retailer 4
-
€1,851 EUR
View
A
Retailer 5
-
€1,884 EUR
View
Retailer 6
-
€1,884 EUR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€1,970 EUR
View
B+
Retailer 8
-
€2,046 EUR
View
B+
Retailer 9
-
€2,174 EUR
View
B
Retailer 10
-
€3,300 EUR
View
Most Expensive
B
NZ Jewellers
869788c5-ceb3-44d0-83e0-dba59940e686 · Nov 5
€3,938 EUR
$4,397 USD
View
10 more retailers have this diamond
Prices start from €1,702 EURSave up to €2,236 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
1.02ct Heart
€1,702 EUR