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Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

VG • F/SI1 • GIA 2231146918

Certificate GIA 2231146918

Diamond specifications and retailer prices

From HK$3,915 HKD
As of November 4, 2026
Save HK$6,904 HKD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$14,710 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2231146918. Listed at 18 retailers as of November 4, 2026, with a 176% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231146918
Dimensions5.45 × 3.61 × 2.50 mm
L/W Ratio1.51
Top View
5.45 mm3.61 mm0.51 ctF / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2231146918
Side View
Table 68.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 69.1%

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 4
Current: HK$14,710 HKD|Low: HK$3,915 HKD|High: HK$14,710 HKD|Avg: HK$6,364 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
Retailer 17
Retailer 18
November 6, 2026
Retailer 18HK$3,915 HKD
Retailer 8HK$4,040 HKD
Retailer 3HK$4,252 HKD
Retailer 15HK$4,574 HKD
Retailer 17HK$4,574 HKD
Retailer 7HK$4,903 HKD
Retailer 6HK$5,139 HKD
Retailer 5HK$5,413 HKD
Retailer 16HK$5,413 HKD
Retailer 4HK$5,649 HKD
Retailer 11HK$5,703 HKD
Retailer 14HK$5,805 HKD
Retailer 10HK$6,206 HKD
Retailer 2HK$6,551 HKD
Retailer 9HK$7,218 HKD
Retailer 12HK$7,233 HKD
Retailer 13HK$10,819 HKD
NZ JewellersHK$14,710 HKD

46 data points across 18 retailers

18 retailersHK$3,915 HKD to HK$10,819 HKD

A
Cheapest Retailer
-
HK$3,915 HKD
Final sale: no returns
A
Retailer 2
-
HK$4,040 HKD
View
B+
Retailer 3
-
HK$4,252 HKD
View
Retailer 4
-
HK$4,574 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$4,574 HKD
View
B+
Retailer 6
-
HK$4,903 HKD
View
B+
Retailer 7
-
HK$5,139 HKD
View
B
Retailer 8
-
HK$5,413 HKD
View
B
Retailer 9
-
HK$5,413 HKD
View
B
Retailer 10
-
HK$5,649 HKD
View
B
Retailer 11
-
HK$5,703 HKD
View
B
Retailer 12
-
HK$5,805 HKD
View
Retailer 13
-
HK$6,206 HKD
View
Price last confirmed 41 days ago
B
Retailer 14
-
HK$6,551 HKD
View
Retailer 15
-
HK$7,218 HKD
View
Price last confirmed 33 days ago
B
Retailer 16
-
HK$7,233 HKD
View
B
Retailer 17
-
HK$10,819 HKD
View
Most Expensive
NZ Jewellers
512fb3e4-be19-4846-bcc9-ccd5dd914726 · Nov 5
HK$14,710 HKD
$1,875 USD
View
Price under review
17 more retailers have this diamond
Prices start from HK$3,915 HKDSave up to HK$6,904 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 Emerald
HK$3,915 HKD