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Oval|Natural|GIA

0.51ct F SI1 Oval Natural Diamond

GD • F/SI1 • GIA 7492490306

Certificate GIA 7492490306

Diamond specifications and retailer prices

From $887 SGD
As of November 6, 2026
Save $871 SGD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,017 SGD 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
Colour
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: $1,137 SGD|Low: $814 SGD|High: $1,783 SGD|Avg: $1,264 SGD|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$887 SGD
Retailer 5$902 SGD
Retailer 1$1,137 SGD
Retailer 6$1,185 SGD
Retailer 4$1,362 SGD
Retailer 8$1,446 SGD
Retailer 2$1,484 SGD
Retailer 3$1,758 SGD

42 data points across 8 retailers

15 retailers$887 SGD to $1,758 SGD

B+
Cheapest Retailer
-
$887 SGD
Final sale: no returns
B+
Retailer 2
-
$902 SGD
View
Retailer 3
-
$962 SGD
View
Price last confirmed 30 days ago
Retailer 4
-
$962 SGD
View
Price last confirmed 30 days ago
B+
Retailer 5
-
$978 SGD
View
Retailer 6
-
$998 SGD
View
Price last confirmed 39 days ago
Retailer 7
-
$1,110 SGD
View
Price last confirmed 39 days ago
B
Retailer 8
-
$1,132 SGD
View
B
Retailer 9
-
$1,137 SGD
View
B
Retailer 10
-
$1,185 SGD
View
B
Retailer 11
-
$1,362 SGD
View
Retailer 12
-
$1,446 SGD
View
Price last confirmed 34 days ago
B
Retailer 13
-
$1,484 SGD
View
B
Retailer 14
-
$1,758 SGD
View
Most Expensive
NZ Jewellers
f410a2aa-2356-4632-9caa-0db4fa25dcf5 · Sep 30
$3,017 SGD
$2,354 USD
View
Price under review
14 more retailers have this diamond
Prices start from $887 SGDSave up to $871 SGD

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
$887 SGD