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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 $473 SGD
$370 USD
As of November 2, 2026
Save $1,653 SGD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,126 SGD 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 $473 to $2,126, a $1,653 spread on the same certified stone. NZ Jewellers lists it at $2,126. 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: $2,126 SGD|Low: $419 SGD|High: $2,126 SGD|Avg: $973 SGD|+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$473 SGD
Retailer 3$506 SGD
Retailer 9$764 SGD
Retailer 7$846 SGD
Retailer 2$851 SGD
Retailer 6$863 SGD
Retailer 5$1,012 SGD
Retailer 4$1,567 SGD
NZ Jewellers$2,126 SGD

41 data points across 9 retailers

8 retailers$473 SGD to $2,126 SGD

A
Cheapest Retailer
-
$473 SGD
$370 USD
Final sale: no returns
A
Retailer 2
-
$506 SGD
₹37,700 INR
View
B+
Retailer 3
-
$846 SGD
$662 USD
View
B+
Retailer 4
-
$851 SGD
£524 GBP
View
B+
Retailer 5
-
$863 SGD
$675 USD
View
B
Retailer 6
-
$1,012 SGD
€754 EUR
View
B
Retailer 7
-
$1,567 SGD
£965 GBP
View
Most Expensive
B
NZ Jewellers
a0bf16b7-31a7-4c08-ac10-32005109cfa8 · Oct 30
$2,126 SGD
$1,663 USD
View
7 more retailers have this diamond
Prices start from $473 SGDSave up to $1,653 SGD

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
$473 SGD