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Marquise|Natural|GIA

0.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 7568379781

Certificate GIA 7568379781

Diamond specifications and retailer prices

From HK$3,676 HKD
₹44,618 INR
As of November 2, 2026
Save HK$7,355 HKD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$11,031 HKD at MOH London · As of November 1, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7568379781. Listed at 8 retailers as of November 1, 2026, with prices from HK$3,676 to HK$11,031, a HK$7,355 spread on the same certified stone. MOH London lists it at HK$11,031. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7568379781
Dimensions7.61 × 4.14 × 2.65 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal
Top View
7.61 mm4.14 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7568379781
Side View
Table 60.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 64.1%

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 2
Current: HK$11,031 HKD|Low: HK$3,676 HKD|High: HK$12,984 HKD|Avg: HK$6,676 HKD|-15.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 3HK$3,676 HKD
Retailer 7HK$4,017 HKD
Retailer 8HK$5,139 HKD
Retailer 5HK$5,790 HKD
Retailer 6HK$5,985 HKD
Retailer 2HK$6,118 HKD
Retailer 4HK$7,052 HKD
MOH LondonHK$11,031 HKD

38 data points across 8 retailers

8 retailersHK$3,676 HKD to HK$11,031 HKD

A
Cheapest Retailer
-
HK$3,676 HKD
₹44,618 INR
A
Retailer 2
-
HK$4,017 HKD
View
Retailer 3
-
HK$5,139 HKD
$655 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
HK$5,790 HKD
$738 USD
View
B+
Retailer 5
-
HK$5,985 HKD
£601 GBP
View
B+
Retailer 6
-
HK$6,118 HKD
£614 GBP
View
B+
Retailer 7
-
HK$7,052 HKD
€856 EUR
View
Most Expensive
B
MOH London
3DC62B40C · Nov 1
HK$11,031 HKD
£1,107 GBP
View
7 more retailers have this diamond
Prices start from HK$3,676 HKDSave up to HK$7,355 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 Marquise
HK$3,676 HKD