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Emerald|Natural|GIA

0.51ct F SI1 Emerald Natural Diamond

EX • F/SI1 • GIA 2548820291

Certificate GIA 2548820291

Diamond specifications and retailer prices

From HK$3,326 HKD
As of November 4, 2026
Save HK$7,720 HKD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$15,016 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2548820291. Listed at 16 retailers as of November 4, 2026, with a 232% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548820291
Dimensions5.36 × 3.74 × 2.58 mm
L/W Ratio1.43
Top View
5.36 mm3.74 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548820291
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.0%

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$3,507 HKD|Low: HK$3,326 HKD|High: HK$11,187 HKD|Avg: HK$6,364 HKD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7HK$3,326 HKD
Retailer 1HK$3,507 HKD
Retailer 3HK$5,790 HKD
Retailer 6HK$6,276 HKD
Retailer 2HK$7,021 HKD
Retailer 8HK$7,194 HKD
Retailer 5HK$7,390 HKD
Retailer 4HK$11,046 HKD

36 data points across 8 retailers

16 retailersHK$3,326 HKD to HK$11,046 HKD

A
Cheapest Retailer
-
HK$3,326 HKD
Final sale: no returns
A
Retailer 2
-
HK$3,507 HKD
View
B+
Retailer 3
-
HK$4,535 HKD
View
B+
Retailer 4
-
HK$4,786 HKD
View
B+
Retailer 5
-
HK$5,154 HKD
View
Retailer 6
-
HK$5,154 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$5,523 HKD
View
B+
Retailer 8
-
HK$5,790 HKD
View
B+
Retailer 9
-
HK$5,821 HKD
View
Retailer 10
-
HK$6,190 HKD
View
Price last confirmed 41 days ago
B+
Retailer 11
-
HK$6,276 HKD
View
B
Retailer 12
-
HK$7,021 HKD
View
Retailer 13
-
HK$7,194 HKD
View
Price last confirmed 33 days ago
B
Retailer 14
-
HK$7,390 HKD
View
B
Retailer 15
-
HK$11,046 HKD
View
Most Expensive
NZ Jewellers
01ec37c2-3384-4ca3-8c6e-77a1e4fc563d · Nov 5
HK$15,016 HKD
$1,914 USD
View
Price under review
15 more retailers have this diamond
Prices start from HK$3,326 HKDSave up to HK$7,720 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$3,326 HKD