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Heart|Natural|GIA

1.03ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 3545089209

Certificate GIA 3545089209

Diamond specifications and retailer prices

From €1,230 EUR
As of November 3, 2026
Save €568 EUR (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,798 EUR at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.03ct natural heart diamond

This 1.03ct 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 3545089209. Listed at 6 retailers as of November 3, 2026, with prices from €1,230 to €1,798, a €568 spread on the same certified stone. GemTrove lists it at €1,798. 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

1.03
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 3545089209
Dimensions6.04 × 7.08 × 4.21 mm
L/W Ratio1.17
Top View
6.04 mm7.08 mm1.03 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 3545089209
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.4%

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 3
Current: €1,798 EUR|Low: €1,169 EUR|High: €1,798 EUR|Avg: €1,430 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4€1,230 EUR
Retailer 3€1,234 EUR
Retailer 5€1,246 EUR
Retailer 2€1,338 EUR
Retailer 6€1,408 EUR
GemTrove€1,798 EUR

40 data points across 6 retailers

6 retailers€1,230 EUR to €1,798 EUR

A
Cheapest Retailer
-
€1,230 EUR
Final sale: no returns
A
Retailer 2
-
€1,234 EUR
View
A
Retailer 3
-
€1,246 EUR
View
A
Retailer 4
-
€1,338 EUR
View
A
Retailer 5
-
€1,408 EUR
View
Most Expensive
B+
GemTrove
GT-N-01268830-98 · Nov 6
€1,798 EUR
A$3,088 AUD
View
5 more retailers have this diamond
Prices start from €1,230 EURSave up to €568 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
1.03ct Heart
€1,230 EUR