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Marquise|Natural|GIA

0.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 6561486563

Certificate GIA 6561486563

Diamond specifications and retailer prices

From HK$4,051 HKD
₹49,175 INR
As of November 2, 2026
Save HK$13,053 HKD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$17,104 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 6561486563. Listed at 17 retailers as of October 30, 2026, with prices from HK$4,051 to HK$17,104, a HK$13,053 spread on the same certified stone. NZ Jewellers lists it at HK$17,104. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561486563
Dimensions8.17 × 4.17 × 2.65 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
8.17 mm4.17 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561486563
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.6%

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$17,104 HKD|Low: HK$4,043 HKD|High: HK$17,104 HKD|Avg: HK$7,603 HKD
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
November 2, 2026
Retailer 2HK$4,051 HKD
Retailer 15HK$4,620 HKD
Retailer 7HK$5,029 HKD
Retailer 5HK$5,163 HKD
Retailer 4HK$5,453 HKD
Retailer 14HK$5,453 HKD
Retailer 6HK$5,492 HKD
Retailer 3HK$5,665 HKD
Retailer 16HK$6,293 HKD
Retailer 8HK$6,491 HKD
Retailer 9HK$6,514 HKD
Retailer 11HK$6,678 HKD
Retailer 10HK$7,752 HKD
Retailer 12HK$12,595 HKD
Retailer 13HK$14,947 HKD
NZ JewellersHK$17,104 HKD

23 data points across 16 retailers

17 retailersHK$4,051 HKD to HK$17,104 HKD

A
Cheapest Retailer
-
HK$4,051 HKD
₹49,175 INR
A
Retailer 2
-
HK$4,620 HKD
View
A
Retailer 3
-
HK$5,029 HKD
$641 USD
View
Final sale: no returns
A
Retailer 4
-
HK$5,163 HKD
$658 USD
View
A
Retailer 5
-
HK$5,453 HKD
$695 USD
View
A
Retailer 6
-
HK$5,453 HKD
$695 USD
View
Retailer 7
-
HK$5,492 HKD
$700 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
HK$5,665 HKD
$722 USD
View
B+
Retailer 9
-
HK$6,206 HKD
$791 USD
View
B+
Retailer 10
-
HK$6,293 HKD
$802 USD
View
B+
Retailer 11
-
HK$6,491 HKD
$827 USD
View
B+
Retailer 12
-
HK$6,514 HKD
£654 GBP
View
B+
Retailer 13
-
HK$6,678 HKD
£670 GBP
View
B+
Retailer 14
-
HK$7,752 HKD
€941 EUR
View
B
Retailer 15
-
HK$12,595 HKD
£1,264 GBP
View
B
Retailer 16
-
HK$14,947 HKD
£1,500 GBP
View
Most Expensive
B
NZ Jewellers
0e39f16e-32f4-4a7b-8134-663cf265877c · Oct 30
HK$17,104 HKD
$2,180 USD
View
16 more retailers have this diamond
Prices start from HK$4,051 HKDSave up to HK$13,053 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$4,051 HKD