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Oval|Natural|GIA

0.50ct I SI1 Oval Natural Diamond

GD • I/SI1 • GIA 6551867924

Certificate GIA 6551867924

Diamond specifications and retailer prices

From $591 SGD
$462 USD
As of November 2, 2026
Save $1,369 SGD (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,662 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural oval diamond

This 0.5ct natural oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6551867924. Listed at 18 retailers as of November 1, 2026, with a 232% 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

0.50
Carat
I
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6551867924
Dimensions6.43 × 4.33 × 2.79 mm
L/W Ratio1.48
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.43 mm4.33 mm0.50 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceMedium
CertificateGIA 6551867924
Side View
Table 55.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 64.6%

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 2
Current: $1,137 SGD|Low: $591 SGD|High: $2,436 SGD|Avg: $1,147 SGD|+0.2%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 16$591 SGD
Retailer 12$768 SGD
Retailer 2$780 SGD
Retailer 5$794 SGD
Retailer 3$828 SGD
Retailer 8$940 SGD
Retailer 7$975 SGD
Retailer 14$1,010 SGD
Retailer 4$1,015 SGD
Retailer 10$1,042 SGD
Retailer 9$1,046 SGD
Retailer 1$1,137 SGD
Retailer 15$1,181 SGD
Retailer 13$1,310 SGD
Retailer 11$1,960 SGD
Retailer 6$2,436 SGD

26 data points across 16 retailers

18 retailers$591 SGD to $1,960 SGD

B+
Cheapest Retailer
-
$591 SGD
$462 USD
Final sale: no returns
B+
Retailer 2
-
$768 SGD
$601 USD
View
B+
Retailer 3
-
$780 SGD
$610 USD
View
B+
Retailer 4
-
$794 SGD
$621 USD
View
B
Retailer 5
-
$828 SGD
$648 USD
View
B
Retailer 6
-
$887 SGD
$694 USD
View
B
Retailer 7
-
$940 SGD
$735 USD
View
B
Retailer 8
-
$975 SGD
$763 USD
View
B
Retailer 9
-
$1,010 SGD
$790 USD
View
B
Retailer 10
-
$1,015 SGD
$794 USD
View
B
Retailer 11
-
$1,042 SGD
£642 GBP
View
B
Retailer 12
-
$1,046 SGD
£645 GBP
View
B
Retailer 13
-
$1,137 SGD
€847 EUR
View
B
Retailer 14
-
$1,181 SGD
$924 USD
View
C
Retailer 15
-
$1,310 SGD
ZAR 16,555 ZAR
View
C
Retailer 16
-
$1,960 SGD
£1,207 GBP
View
Retailer 17
-
$2,436 SGD
CA$2,646 CAD
View
Price under review
Most Expensive
NZ Jewellers
1c004742-4301-41a0-ad57-ee22836fc6ad · Oct 30
$2,662 SGD
$2,082 USD
View
Price under review
17 more retailers have this diamond
Prices start from $591 SGDSave up to $1,369 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+
0.50ct Oval
$591 SGD