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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 €330 EUR
$370 USD
As of November 2, 2026
Save €1,153 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,483 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 €330 to €1,483, a €1,153 spread on the same certified stone. NZ Jewellers lists it at €1,483. 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
Color
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: €1,483 EUR|Low: €292 EUR|High: €1,483 EUR|Avg: €679 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€330 EUR
Retailer 2€353 EUR
Retailer 9€533 EUR
Retailer 7€590 EUR
Retailer 3€593 EUR
Retailer 6€602 EUR
Retailer 5€706 EUR
Retailer 4€1,093 EUR
NZ Jewellers€1,483 EUR

41 data points across 9 retailers

8 retailers€330 EUR to €1,483 EUR

A
Cheapest Retailer
-
€330 EUR
$370 USD
Final sale: no returns
A
Retailer 2
-
€353 EUR
₹37,688 INR
View
B+
Retailer 3
-
€590 EUR
$662 USD
View
B+
Retailer 4
-
€593 EUR
£524 GBP
View
B+
Retailer 5
-
€602 EUR
$675 USD
View
B
Retailer 6
-
€706 EUR
View
B
Retailer 7
-
€1,093 EUR
£965 GBP
View
Most Expensive
B
NZ Jewellers
a0bf16b7-31a7-4c08-ac10-32005109cfa8 · Oct 30
€1,483 EUR
$1,663 USD
View
7 more retailers have this diamond
Prices start from €330 EURSave up to €1,153 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
€330 EUR