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Heart|Natural|GIA

0.63ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6545741307

Certificate GIA 6545741307

Diamond specifications and retailer prices

From €331 EUR
$370 USD
As of November 2, 2026
Save €1,157 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,489 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.63ct natural heart diamond

This 0.63ct natural heart sits in the half to three-quarter carat band, graded I 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 6545741307. Listed at 8 retailers as of October 30, 2026, with prices from €331 to €1,489, a €1,157 spread on the same certified stone. NZ Jewellers lists it at €1,489. 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

0.63
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545741307
Dimensions5.27 × 5.86 × 3.47 mm
L/W Ratio1.11
Top View
5.27 mm5.86 mm0.63 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545741307
Side View
Table 56.0%CrownGirdle: ThickPavilionCulet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,489 EUR|Low: €294 EUR|High: €1,489 EUR|Avg: €682 EUR|+1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8€331 EUR
Retailer 2€354 EUR
Retailer 9€535 EUR
Retailer 7€592 EUR
Retailer 3€596 EUR
Retailer 6€604 EUR
Retailer 5€709 EUR
Retailer 4€1,097 EUR
NZ Jewellers€1,489 EUR

41 data points across 9 retailers

8 retailers€331 EUR to €1,489 EUR

A
Cheapest Retailer
-
€331 EUR
$370 USD
Final sale: no returns
A
Retailer 2
-
€354 EUR
₹37,688 INR
View
B+
Retailer 3
-
€592 EUR
$662 USD
View
B+
Retailer 4
-
€596 EUR
£524 GBP
View
B+
Retailer 5
-
€604 EUR
$675 USD
View
B
Retailer 6
-
€709 EUR
View
B
Retailer 7
-
€1,097 EUR
£965 GBP
View
Most Expensive
B
NZ Jewellers
a0bf16b7-31a7-4c08-ac10-32005109cfa8 · Oct 30
€1,489 EUR
$1,663 USD
View
7 more retailers have this diamond
Prices start from €331 EURSave up to €1,157 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
0.63ct Heart
€331 EUR