Oval|Natural|GIA

0.51ct F SI1 Oval Natural Diamond

GD • F/SI1 • GIA 7492490306

Certificate GIA 7492490306

Diamond specifications and retailer prices

From $692 USD
As of November 6, 2026
Save $680 USD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,354 USD 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 7492490306. 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
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7492490306
Dimensions6.77 × 4.38 × 2.75 mm
L/W Ratio1.55
Key to symbols
Crystal
Top View
6.77 mm4.38 mm0.51 ctF / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7492490306
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 62.8%

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: $887 USD|Low: $635 USD|High: $1,391 USD|Avg: $986 USD|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$692 USD
Retailer 5$704 USD
Retailer 1$887 USD
Retailer 6$925 USD
Retailer 4$1,063 USD
Retailer 8$1,128 USD
Retailer 2$1,158 USD
Retailer 3$1,372 USD

43 data points across 8 retailers

15 retailers$692 USD to $1,372 USD

B+
Cheapest Retailer
-
$692 USD
Final sale: no returns
B+
Retailer 2
-
$704 USD
View
Retailer 3
-
$751 USD
View
Price last confirmed 29 days ago
Retailer 4
-
$751 USD
View
Price last confirmed 29 days ago
B+
Retailer 5
-
$763 USD
View
Retailer 6
-
$779 USD
View
Price last confirmed 38 days ago
Retailer 7
-
$866 USD
View
Price last confirmed 38 days ago
B
Retailer 8
-
$883 USD
View
B
Retailer 9
-
$887 USD
View
B
Retailer 10
-
$925 USD
View
B
Retailer 11
-
$1,063 USD
View
Retailer 12
-
$1,128 USD
View
Price last confirmed 33 days ago
B
Retailer 13
-
$1,158 USD
View
B
Retailer 14
-
$1,372 USD
View
Most Expensive
NZ Jewellers
f410a2aa-2356-4632-9caa-0db4fa25dcf5 · Sep 30
$2,354 USD
View
Price under review
14 more retailers have this diamond
Prices start from $692 USDSave up to $680 USD

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
$692 USD