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Oval|Natural|GIA

0.65ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 6555373479

Certificate GIA 6555373479

Diamond specifications and retailer prices

From $582 AUD
SGD 552 SGD
As of October 31, 2026
Save $638 AUD (52%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,220 AUD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.65ct natural oval diamond

This 0.65ct natural oval sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555373479. Listed at 7 retailers as of October 31, 2026, with prices from $582 to $1,220, a $638 spread on the same certified stone. Frank Darling lists it at $1,220. 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

0.65
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.19°
Pavilion angle40.5°
OriginNatural
Grading LabGIA
CertificateGIA 6555373479
Dimensions6.92 × 4.86 × 3.00 mm
L/W Ratio1.42
Culet sizeNone
Top View
6.92 mm4.86 mm0.65 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555373479
Side View
Table 60.0%Crown 39.19°Girdle: THN-THKPavilion 40.5°Culet: NoneDepth 61.8%

Caratlytics Score

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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: $1,220 AUD|Low: $582 AUD|High: $1,311 AUD|Avg: $896 AUD|-7.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 4$582 AUD
Retailer 5$605 AUD
Retailer 3$692 AUD
Retailer 2$787 AUD
Retailer 9$819 AUD
Retailer 6$936 AUD
Retailer 8$1,000 AUD
Retailer 7$1,102 AUD
Frank Darling$1,220 AUD

20 data points across 9 retailers

7 retailers$582 AUD to $1,220 AUD

A
Cheapest Retailer
-
$582 AUD
SGD 552 SGD
A
Retailer 2
-
$605 AUD
SGD 574 SGD
View
A
Retailer 3
-
$692 AUD
£383 GBP
View
A
Retailer 4
-
$787 AUD
$553 USD
View
A
Retailer 5
-
$819 AUD
$575 USD
View
A
Retailer 6
-
$936 AUD
$658 USD
View
Most Expensive
A
Frank Darling
2648787HK · Nov 2
$1,220 AUD
$857 USD
View
6 more retailers have this diamond
Prices start from $582 AUDSave up to $638 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
0.65ct Oval
$582 AUD