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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 HK$4,820 HKD
As of November 1, 2026
Save HK$14,017 HKD (74%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$18,838 HKD 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 30, 2026, with prices from HK$4,820 to HK$18,838, a HK$14,017 spread on the same certified stone. NZ Jewellers lists it at HK$18,838. 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
Colour
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: Nov 1
Current: HK$18,838 HKD|Low: HK$4,276 HKD|High: HK$19,434 HKD|Avg: HK$7,511 HKD|-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
November 1, 2026
Retailer 19HK$4,820 HKD
Retailer 9HK$5,021 HKD
Retailer 17HK$5,060 HKD
Retailer 2HK$5,139 HKD
Retailer 8HK$5,335 HKD
Retailer 16HK$5,445 HKD
Retailer 11HK$5,516 HKD
Retailer 12HK$5,727 HKD
Retailer 6HK$5,916 HKD
Retailer 7HK$6,222 HKD
Retailer 4HK$6,277 HKD
Retailer 20HK$6,865 HKD
Retailer 15HK$7,217 HKD
Retailer 13HK$7,375 HKD
Retailer 18HK$7,736 HKD
Retailer 10HK$8,389 HKD
Retailer 3HK$8,518 HKD
Retailer 5HK$9,273 HKD
Retailer 14HK$11,000 HKD
NZ JewellersHK$18,838 HKD

22 data points across 20 retailers

20 retailersHK$4,820 HKD to HK$18,838 HKD

A
Cheapest Retailer
-
HK$4,820 HKD
A
Retailer 2
-
HK$5,021 HKD
$640 USD
View
Final sale: no returns
A
Retailer 3
-
HK$5,060 HKD
$645 USD
View
A
Retailer 4
-
HK$5,139 HKD
$655 USD
View
A
Retailer 5
-
HK$5,335 HKD
$680 USD
View
A
Retailer 6
-
HK$5,445 HKD
$694 USD
View
A
Retailer 7
-
HK$5,516 HKD
$703 USD
View
A
Retailer 8
-
HK$5,727 HKD
$730 USD
View
A
Retailer 9
-
HK$5,916 HKD
$754 USD
View
A
Retailer 10
-
HK$6,222 HKD
$793 USD
View
A
Retailer 11
-
HK$6,277 HKD
$800 USD
View
B+
Retailer 12
-
HK$6,865 HKD
$875 USD
View
B+
Retailer 13
-
HK$7,217 HKD
£724 GBP
View
B+
Retailer 14
-
HK$7,375 HKD
£740 GBP
View
B+
Retailer 15
-
HK$7,736 HKD
$986 USD
View
B+
Retailer 16
-
HK$8,389 HKD
$1,069 USD
View
B+
Retailer 17
-
HK$8,518 HKD
€1,034 EUR
View
B+
Retailer 18
-
HK$9,273 HKD
ZAR 19,094 ZAR
View
B
Retailer 19
-
HK$11,000 HKD
£1,104 GBP
View
Most Expensive
B
NZ Jewellers
196d65e2-211d-456d-b663-762bd9e3de90 · Oct 30
HK$18,838 HKD
$2,401 USD
View
19 more retailers have this diamond
Prices start from HK$4,820 HKDSave up to HK$14,017 HKD

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
HK$4,820 HKD