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Round|Natural|GIA

0.63ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6545729677

Certificate GIA 6545729677

Diamond specifications and retailer prices

From $583 AUD
SGD 552 SGD
As of October 31, 2026
Save $641 AUD (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,223 AUD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 0.63ct natural round diamond

This 0.63ct natural round sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545729677. Listed at 8 retailers as of October 29, 2026, with prices from $583 to $1,223, a $641 spread on the same certified stone. Frank Darling lists it at $1,223. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6545729677
Dimensions5.50 × 5.51 × 3.44 mm
L/W Ratio1.00
Top View
5.50 mm5.51 mm0.63 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545729677
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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: $1,223 AUD|Low: $421 AUD|High: $1,302 AUD|Avg: $827 AUD|-6.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$421 AUD
Retailer 10$543 AUD
Retailer 5$583 AUD
Retailer 6$608 AUD
Retailer 11$788 AUD
Retailer 4$790 AUD
Retailer 7$930 AUD
Retailer 2$942 AUD
Retailer 8$951 AUD
Retailer 9$1,064 AUD
Frank Darling$1,223 AUD

22 data points across 11 retailers

8 retailers$583 AUD to $1,223 AUD

A
Cheapest Retailer
-
$583 AUD
SGD 552 SGD
A
Retailer 2
-
$608 AUD
SGD 576 SGD
View
A
Retailer 3
-
$788 AUD
$552 USD
View
A
Retailer 4
-
$790 AUD
$553 USD
View
A
Retailer 5
-
$927 AUD
View
Retailer 6
-
$930 AUD
$652 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$942 AUD
£520 GBP
View
Most Expensive
A
Frank Darling
2593928HK · Oct 29
$1,223 AUD
$857 USD
View
7 more retailers have this diamond
Prices start from $583 AUDSave up to $641 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 Round
$583 AUD