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Oval|Natural|GIA

0.51ct F SI1 Oval Natural Diamond

GD • F/SI1 • GIA 3555336474

Certificate GIA 3555336474

Diamond specifications and retailer prices

From $971 AUD
As of November 6, 2026
Save $953 AUD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,299 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

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 standard cut grade stated by the retailer rather than the lab and certified by GIA 3555336474. Listed at 15 retailers as of November 4, 2026, with a 98% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

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

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555336474
Dimensions6.30 × 4.55 × 2.85 mm
L/W Ratio1.38
Key to symbols
Cloud, Crystal, Feather
Top View
6.30 mm4.55 mm0.51 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3555336474
Side View
Table 54.0%CrownGirdlePavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,241 AUD|Low: $889 AUD|High: $1,949 AUD|Avg: $1,278 AUD|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 12$963 AUD
Retailer 9$971 AUD
Retailer 11$1,006 AUD
Retailer 3$1,052 AUD
Retailer 4$1,052 AUD
Retailer 2$1,214 AUD
Retailer 1$1,241 AUD
Retailer 5$1,244 AUD
Retailer 13$1,310 AUD
Retailer 8$1,493 AUD
Retailer 10$1,581 AUD
Retailer 6$1,623 AUD
Retailer 7$1,924 AUD

41 data points across 13 retailers

15 retailers$971 AUD to $1,924 AUD

B+
Cheapest Retailer
-
$971 AUD
Final sale: no returns
B+
Retailer 2
-
$1,006 AUD
View
Retailer 3
-
$1,052 AUD
View
Price last confirmed 30 days ago
Retailer 4
-
$1,052 AUD
View
Price last confirmed 30 days ago
Retailer 5
-
$1,093 AUD
View
Price last confirmed 39 days ago
Retailer 6
-
$1,214 AUD
View
Price last confirmed 39 days ago
B
Retailer 7
-
$1,237 AUD
View
B
Retailer 8
-
$1,241 AUD
View
B
Retailer 9
-
$1,244 AUD
View
B
Retailer 10
-
$1,310 AUD
View
B
Retailer 11
-
$1,493 AUD
View
Retailer 12
-
$1,581 AUD
View
Price last confirmed 34 days ago
B
Retailer 13
-
$1,623 AUD
View
B
Retailer 14
-
$1,924 AUD
View
Most Expensive
NZ Jewellers
9c93922b-d627-4902-81ec-1f716ebb337a · Sep 30
$3,299 AUD
$2,267 USD
View
Price under review
14 more retailers have this diamond
Prices start from $971 AUDSave up to $953 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.

B+
0.51ct Oval
$971 AUD