CaratHunter
Plans
Heart|Natural|GIA

0.63ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6545741307

Certificate GIA 6545741307

Diamond specifications and retailer prices

From $527 AUD
$370 USD
As of November 2, 2026
Save $1,841 AUD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,367 AUD 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 $527 to $2,367, a $1,841 spread on the same certified stone. NZ Jewellers lists it at $2,367. 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: $2,367 AUD|Low: $467 AUD|High: $2,367 AUD|Avg: $1,084 AUD|+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$527 AUD
Retailer 3$564 AUD
Retailer 9$851 AUD
Retailer 7$942 AUD
Retailer 2$947 AUD
Retailer 6$961 AUD
Retailer 5$1,127 AUD
Retailer 4$1,745 AUD
NZ Jewellers$2,367 AUD

41 data points across 9 retailers

8 retailers$527 AUD to $2,367 AUD

A
Cheapest Retailer
-
$527 AUD
$370 USD
Final sale: no returns
A
Retailer 2
-
$564 AUD
₹37,700 INR
View
B+
Retailer 3
-
$942 AUD
$662 USD
View
B+
Retailer 4
-
$947 AUD
£524 GBP
View
B+
Retailer 5
-
$961 AUD
$675 USD
View
B
Retailer 6
-
$1,127 AUD
€754 EUR
View
B
Retailer 7
-
$1,745 AUD
£965 GBP
View
Most Expensive
B
NZ Jewellers
a0bf16b7-31a7-4c08-ac10-32005109cfa8 · Oct 30
$2,367 AUD
$1,663 USD
View
7 more retailers have this diamond
Prices start from $527 AUDSave up to $1,841 AUD

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
$527 AUD