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Emerald|Natural|GIA

0.51ct H SI2 Emerald Natural Diamond

GD • H/SI2 • GIA 6451960939

Certificate GIA 6451960939

Diamond specifications and retailer prices

From HK$7,100 HKD
As of November 1, 2026
Save HK$2,205 HKD (24%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$11,195 HKD at Yorxs · As of November 6, 2026
View at Yorxs

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6451960939. Listed at 10 retailers as of November 1, 2026, with a 31% 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
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6451960939
Dimensions5.65 × 3.70 × 2.50 mm
L/W Ratio1.53
Top View
5.65 mm3.70 mm0.51 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6451960939
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$9,304 HKD|Low: HK$7,100 HKD|High: HK$19,550 HKD|Avg: HK$10,091 HKD|+5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yorxs
November 6, 2026
Retailer 3HK$7,100 HKD
Retailer 6HK$7,265 HKD
Retailer 8HK$7,265 HKD
Retailer 4HK$7,539 HKD
Retailer 9HK$8,065 HKD
Retailer 7HK$8,379 HKD
Retailer 1HK$9,304 HKD
YorxsHK$11,195 HKD
Retailer 2HK$14,663 HKD
Retailer 5HK$19,550 HKD

44 data points across 10 retailers

10 retailersHK$7,100 HKD to HK$9,304 HKD

B
Cheapest Retailer
-
HK$7,100 HKD
Retailer 2
-
HK$7,265 HKD
View
Price last confirmed 8 days ago
B
Retailer 3
-
HK$7,265 HKD
View
C
Retailer 4
-
HK$7,539 HKD
View
C
Retailer 5
-
HK$8,379 HKD
View
C
Retailer 6
-
HK$9,218 HKD
View
C
Retailer 7
-
HK$9,304 HKD
View
Most Expensive
Yorxs
99D58E086 · Nov 6
HK$11,195 HKD
€1,359 EUR
View
Price under review
7 more retailers have this diamond
Prices start from HK$7,100 HKDSave up to HK$2,205 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.

B
0.51ct Emerald
HK$7,100 HKD