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Oval|Natural|GIA

0.51ct H SI2 Oval Natural Diamond

GD • H/SI2 • GIA 6552015903

Certificate GIA 6552015903

Diamond specifications and retailer prices

From $942 SGD
As of November 6, 2026
Save $978 SGD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,292 SGD at NZ Jewellers · As of September 28, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6552015903. Listed at 13 retailers as of November 4, 2026, with a 104% 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
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552015903
Dimensions6.14 × 4.46 × 2.87 mm
L/W Ratio1.38
Top View
6.14 mm4.46 mm0.51 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552015903
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,251 SGD|Low: $942 SGD|High: $1,945 SGD|Avg: $1,309 SGD|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10$942 SGD
Retailer 7$951 SGD
Retailer 2$966 SGD
Retailer 8$1,173 SGD
Retailer 1$1,251 SGD
Retailer 6$1,261 SGD
Retailer 4$1,484 SGD
Retailer 9$1,579 SGD
Retailer 5$1,688 SGD
Retailer 3$1,920 SGD

33 data points across 10 retailers

13 retailers$942 SGD to $1,920 SGD

B
Cheapest Retailer
-
$942 SGD
Retailer 2
-
$951 SGD
View
Price last confirmed 39 days ago
B
Retailer 3
-
$951 SGD
View
Retailer 4
-
$951 SGD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$966 SGD
View
Retailer 6
-
$1,097 SGD
View
Price last confirmed 39 days ago
B
Retailer 7
-
$1,173 SGD
View
B
Retailer 8
-
$1,251 SGD
View
B
Retailer 9
-
$1,261 SGD
View
B
Retailer 10
-
$1,484 SGD
View
C
Retailer 11
-
$1,688 SGD
View
B
Retailer 12
-
$1,920 SGD
View
Most Expensive
NZ Jewellers
40c7e2e3-e6dd-43da-b760-f57523b9bd65 · Sep 28
$3,292 SGD
$2,569 USD
View
Price under review
12 more retailers have this diamond
Prices start from $942 SGDSave up to $978 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
$942 SGD