Oval|Natural|GIA

0.51ct H IF Oval Natural Diamond

EX • H/IF • GIA 1553865248

Certificate GIA 1553865248

Diamond specifications and retailer prices

From $499 USD
As of November 4, 2026
Save $858 USD (63%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,218 USD at NZ Jewellers · As of August 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 H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553865248. Listed at 23 retailers as of November 4, 2026, with a 172% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
H
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553865248
Dimensions6.66 × 4.34 × 2.70 mm
L/W Ratio1.53
Top View
6.66 mm4.34 mm0.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553865248
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $716 USD|Low: $499 USD|High: $1,494 USD|Avg: $832 USD|-7.6%
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
November 5, 2026
Retailer 11$499 USD
Retailer 9$542 USD
Retailer 4$647 USD
Retailer 5$648 USD
Retailer 2$652 USD
Retailer 10$662 USD
Retailer 1$716 USD
Retailer 15$737 USD
Retailer 8$780 USD
Retailer 3$859 USD
Retailer 13$894 USD
Retailer 14$934 USD
Retailer 7$987 USD
Retailer 6$1,249 USD
Retailer 12$1,357 USD

30 data points across 15 retailers

23 retailers$499 USD to $1,357 USD

A
Cheapest Retailer
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$499 USD
A
Retailer 2
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$542 USD
View
Final sale: no returns
Retailer 3
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$623 USD
View
Price last confirmed 22 days ago
A
Retailer 4
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$647 USD
View
Retailer 5
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$648 USD
View
Price last confirmed 9 days ago
Retailer 6
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$652 USD
View
Price last confirmed 7 days ago
A
Retailer 7
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$662 USD
View
Retailer 8
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$671 USD
View
Price last confirmed 20 days ago
Retailer 9
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$682 USD
View
Price last confirmed 37 days ago
Retailer 10
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$690 USD
View
Price last confirmed 59 days ago
A
Retailer 11
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$716 USD
View
Retailer 12
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$718 USD
View
Price last confirmed 20 days ago
A
Retailer 13
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$737 USD
View
A
Retailer 14
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$780 USD
View
Retailer 15
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$797 USD
View
Price last confirmed 58 days ago
Retailer 16
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$859 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
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$894 USD
View
B+
Retailer 18
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$934 USD
View
Retailer 19
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$987 USD
View
Price last confirmed 32 days ago
Retailer 20
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$1,249 USD
View
Price last confirmed 20 days ago
B
Retailer 21
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$1,357 USD
View
Retailer 22
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$1,953 USD
View
Price last confirmed 22 days ago
Most Expensive
NZ Jewellers
22fe0e4c-1984-47dd-ab68-ea22b9943db3 · Aug 30
$2,218 USD
View
Price last confirmed 67 days ago
22 more retailers have this diamond
Prices start from $499 USDSave up to $858 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.

A
0.51ct Oval
$499 USD