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Oval|Natural|GIA

0.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 7568114831

Certificate GIA 7568114831

Diamond specifications and retailer prices

From $614 USD
HK$4,800 HKD
As of October 31, 2026
Save $808 USD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,401 USD at NZ Jewellers · As of October 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7568114831. Listed at 20 retailers as of October 26, 2026, with a 132% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle39.3°
OriginNatural
Grading LabGIA
CertificateGIA 7568114831
Dimensions6.52 × 4.46 × 2.72 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeNone
Top View
6.52 mm4.46 mm0.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7568114831
Side View
Table 61.0%Crown 37.3°Girdle: MED-VTKPavilion 39.3°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,401 USD|Low: $545 USD|High: $2,477 USD|Avg: $956 USD|-3.1%
NZ Jewellers
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 14$614 USD
Retailer 6$640 USD
Retailer 2$645 USD
Retailer 12$660 USD
Retailer 3$680 USD
Retailer 9$703 USD
Retailer 11$703 USD
Retailer 10$730 USD
Retailer 19$754 USD
Retailer 20$793 USD
Retailer 17$800 USD
Retailer 15$875 USD
Retailer 5$920 USD
Retailer 4$943 USD
Retailer 13$986 USD
Retailer 7$1,069 USD
Retailer 16$1,086 USD
Retailer 18$1,182 USD
Retailer 8$1,422 USD
NZ Jewellers$2,401 USD

22 data points across 20 retailers

20 retailers$614 USD to $1,422 USD

A
Cheapest Retailer
-
$614 USD
HK$4,800 HKD
A
Retailer 2
-
$640 USD
View
Final sale: no returns
A
Retailer 3
-
$645 USD
View
Retailer 4
-
$660 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$680 USD
View
A
Retailer 6
-
$703 USD
View
A
Retailer 7
-
$703 USD
View
A
Retailer 8
-
$730 USD
View
A
Retailer 9
-
$754 USD
View
A
Retailer 10
-
$793 USD
View
A
Retailer 11
-
$800 USD
View
B+
Retailer 12
-
$875 USD
View
B+
Retailer 13
-
$920 USD
£724 GBP
View
B+
Retailer 14
-
$943 USD
£742 GBP
View
B+
Retailer 15
-
$986 USD
View
B+
Retailer 16
-
$1,069 USD
View
B+
Retailer 17
-
$1,086 USD
€1,034 EUR
View
B+
Retailer 18
-
$1,182 USD
ZAR 19,094 ZAR
View
B
Retailer 19
-
$1,422 USD
£1,120 GBP
View
Most Expensive
NZ Jewellers
196d65e2-211d-456d-b663-762bd9e3de90 · Oct 30
$2,401 USD
View
Price under review
19 more retailers have this diamond
Prices start from $614 USDSave up to $808 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
$614 USD