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Marquise|Natural|GIA

0.51ct I SI2 Marquise Natural Diamond

VG • I/SI2 • GIA 6392602089

Certificate GIA 6392602089

Diamond specifications and retailer prices

From HK$7,759 HKD
As of November 5, 2026
Save HK$6,763 HKD (47%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$14,522 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6392602089. Listed at 5 retailers as of November 4, 2026, with prices from HK$7,759 to HK$14,522, a HK$6,763 spread on the same certified stone. MOH London lists it at HK$14,522. 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
I
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6392602089
Dimensions8.85 × 3.99 × 2.27 mm
L/W Ratio2.22
Top View
8.85 mm3.99 mm0.51 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6392602089
Side View
Table 60.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 56.8%

Caratlytics Score

How it works →
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 5
Current: HK$14,522 HKD|Low: HK$7,563 HKD|High: HK$14,721 HKD|Avg: HK$9,913 HKD|+2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 3HK$7,681 HKD
Retailer 5HK$7,759 HKD
Retailer 4HK$7,939 HKD
Retailer 6HK$8,472 HKD
Retailer 2HK$11,098 HKD
Retailer 7HK$11,654 HKD
MOH LondonHK$14,522 HKD

20 data points across 7 retailers

5 retailersHK$7,759 HKD to HK$14,522 HKD

Retailer 1
-
HK$7,681 HKD
Price last confirmed 19 days ago
B
Retailer 2
-
HK$7,759 HKD
View
Retailer 3
-
HK$7,939 HKD
View
Price last confirmed 8 days ago
B
Retailer 4
-
HK$11,098 HKD
View
Most Expensive
C
MOH London
66D9DBCA7 · Nov 4
HK$14,522 HKD
£1,459 GBP
View
4 more retailers have this diamond
Prices start from HK$7,759 HKDSave up to HK$6,763 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.

B
0.51ct Marquise
HK$7,759 HKD