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Marquise|Natural|GIA

0.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6565610229

Certificate GIA 6565610229

Diamond specifications and retailer prices

From HK$4,048 HKD
As of November 4, 2026
Save HK$13,078 HKD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$17,126 HKD at NZ Jewellers · As of November 5, 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 E 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 6565610229. Listed at 16 retailers as of November 4, 2026, with prices from HK$4,048 to HK$17,126, a HK$13,078 spread on the same certified stone. NZ Jewellers lists it at HK$17,126. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565610229
Dimensions8.47 × 4.12 × 2.46 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
8.47 mm4.12 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565610229
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.6%

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 4
Current: HK$17,126 HKD|Low: HK$4,048 HKD|High: HK$17,126 HKD|Avg: HK$7,188 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
November 6, 2026
Retailer 9HK$4,048 HKD
Retailer 6HK$5,037 HKD
Retailer 5HK$5,170 HKD
Retailer 4HK$5,460 HKD
Retailer 13HK$5,460 HKD
Retailer 12HK$5,492 HKD
Retailer 11HK$5,672 HKD
Retailer 7HK$6,206 HKD
Retailer 14HK$6,300 HKD
Retailer 2HK$6,480 HKD
Retailer 3HK$6,496 HKD
Retailer 8HK$6,676 HKD
Retailer 15HK$7,759 HKD
Retailer 10HK$12,592 HKD
NZ JewellersHK$17,126 HKD

14 data points across 15 retailers

16 retailersHK$4,048 HKD to HK$17,126 HKD

A
Cheapest Retailer
-
HK$4,048 HKD
A
Retailer 2
-
HK$5,037 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$5,170 HKD
View
A
Retailer 4
-
HK$5,170 HKD
View
Retailer 5
-
HK$5,460 HKD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$5,460 HKD
View
A
Retailer 7
-
HK$5,492 HKD
View
A
Retailer 8
-
HK$5,672 HKD
View
B+
Retailer 9
-
HK$6,206 HKD
View
B+
Retailer 10
-
HK$6,300 HKD
View
A
Retailer 11
-
HK$6,480 HKD
View
B+
Retailer 12
-
HK$6,496 HKD
View
B+
Retailer 13
-
HK$6,676 HKD
View
B+
Retailer 14
-
HK$7,759 HKD
View
B
Retailer 15
-
HK$12,592 HKD
View
Most Expensive
B
NZ Jewellers
56f5410c-3514-4df9-94bd-58e857d0a308 · Nov 5
HK$17,126 HKD
$2,183 USD
View
15 more retailers have this diamond
Prices start from HK$4,048 HKDSave up to HK$13,078 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$4,048 HKD