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Oval|Natural|GIA

0.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 1567424503

Certificate GIA 1567424503

Diamond specifications and retailer prices

From $683 AUD
As of November 5, 2026
Save $666 AUD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,349 AUD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567424503. Listed at 8 retailers as of November 5, 2026, with prices from $683 to $1,349, a $666 spread on the same certified stone. Frank Darling lists it at $1,349. 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

0.51
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.33°
Pavilion angle42.03°
OriginNatural
Grading LabGIA
CertificateGIA 1567424503
Dimensions6.48 × 4.47 × 2.77 mm
L/W Ratio1.45
Culet sizeNone
Top View
6.48 mm4.47 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1567424503
Side View
Table 59.0%Crown 35.33°Girdle: THN-THKPavilion 42.03°Culet: NoneDepth 61.9%

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 5
Current: $1,349 AUD|Low: $678 AUD|High: $1,359 AUD|Avg: $968 AUD|-0.8%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2$683 AUD
Retailer 7$725 AUD
Retailer 8$764 AUD
Retailer 3$942 AUD
Retailer 5$1,014 AUD
Retailer 4$1,032 AUD
Retailer 6$1,102 AUD
Frank Darling$1,349 AUD

14 data points across 8 retailers

8 retailers$683 AUD to $1,349 AUD

A
Cheapest Retailer
-
$683 AUD
A
Retailer 2
-
$725 AUD
View
Retailer 3
-
$764 AUD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$942 AUD
View
B+
Retailer 5
-
$1,014 AUD
View
A
Retailer 6
-
$1,032 AUD
View
B+
Retailer 7
-
$1,102 AUD
View
Most Expensive
B
Frank Darling
2695357HK · Nov 6
$1,349 AUD
$927 USD
View
7 more retailers have this diamond
Prices start from $683 AUDSave up to $666 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
0.51ct Oval
$683 AUD