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Oval|Natural|GIA

0.51ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 5543879084

Certificate GIA 5543879084

Diamond specifications and retailer prices

From HK$4,022 HKD
₹48,821 INR
As of October 31, 2026
Save HK$8,493 HKD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$12,515 HKD at MOH London · As of November 1, 2026
View at MOH London

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 5543879084. Listed at 6 retailers as of October 31, 2026, with prices from HK$4,022 to HK$12,515, a HK$8,493 spread on the same certified stone. MOH London lists it at HK$12,515. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5543879084
Dimensions6.06 × 4.50 × 2.80 mm
L/W Ratio1.35
Top View
6.06 mm4.50 mm0.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5543879084
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.1%

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: HK$12,515 HKD|Low: HK$4,012 HKD|High: HK$12,664 HKD|Avg: HK$7,480 HKD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3HK$4,022 HKD
Retailer 6HK$6,175 HKD
Retailer 2HK$6,632 HKD
Retailer 4HK$7,703 HKD
Retailer 5HK$8,146 HKD
MOH LondonHK$12,515 HKD

40 data points across 6 retailers

6 retailersHK$4,022 HKD to HK$12,515 HKD

A
Cheapest Retailer
-
HK$4,022 HKD
₹48,821 INR
B+
Retailer 2
-
HK$6,175 HKD
$787 USD
View
B+
Retailer 3
-
HK$6,632 HKD
£666 GBP
View
B+
Retailer 4
-
HK$7,703 HKD
€935 EUR
View
Retailer 5
-
HK$8,146 HKD
A$1,597 AUD
View
Price last confirmed 28 days ago
Most Expensive
B
MOH London
6C0B31F91 · Nov 1
HK$12,515 HKD
£1,256 GBP
View
5 more retailers have this diamond
Prices start from HK$4,022 HKDSave up to HK$8,493 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$4,022 HKD