Heart|Natural|GIA

0.63ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6545741307

Certificate GIA 6545741307

Diamond specifications and retailer prices

From $370 USD
As of October 31, 2026
Save $1,293 USD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,663 USD 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 $370 to $1,663, a $1,293 spread on the same certified stone. NZ Jewellers lists it at $1,663. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,663 USD|Low: $328 USD|High: $1,663 USD|Avg: $768 USD|+1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8$370 USD
Retailer 2$396 USD
Retailer 9$598 USD
Retailer 7$662 USD
Retailer 4$666 USD
Retailer 6$675 USD
Retailer 3$792 USD
Retailer 5$1,227 USD
NZ Jewellers$1,663 USD

41 data points across 9 retailers

8 retailers$370 USD to $1,663 USD

A
Cheapest Retailer
-
$370 USD
Final sale: no returns
A
Retailer 2
-
$396 USD
₹37,708 INR
View
B+
Retailer 3
-
$662 USD
View
B+
Retailer 4
-
$666 USD
£524 GBP
View
B+
Retailer 5
-
$675 USD
View
B
Retailer 6
-
$792 USD
€754 EUR
View
B
Retailer 7
-
$1,227 USD
£966 GBP
View
Most Expensive
B
NZ Jewellers
a0bf16b7-31a7-4c08-ac10-32005109cfa8 · Oct 30
$1,663 USD
View
7 more retailers have this diamond
Prices start from $370 USDSave up to $1,293 USD

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
$370 USD