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Emerald|Natural|GIA

0.51ct K SI2 Emerald Natural Diamond

GD • K/SI2 • GIA 6421962533

Certificate GIA 6421962533

Diamond specifications and retailer prices

From HK$2,330 HKD
As of November 6, 2026
Save HK$5,099 HKD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$12,348 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6421962533. Listed at 19 retailers as of November 4, 2026, with a 219% 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
K
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6421962533
Dimensions5.09 × 3.89 × 2.69 mm
L/W Ratio1.31
Top View
5.09 mm3.89 mm0.51 ctK / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6421962533
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.3%

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 6
Current: HK$2,330 HKD|Low: HK$2,330 HKD|High: HK$10,167 HKD|Avg: HK$4,748 HKD|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1HK$2,330 HKD
Retailer 8HK$3,373 HKD
Retailer 5HK$3,468 HKD
Retailer 3HK$3,923 HKD
Retailer 7HK$4,095 HKD
Retailer 2HK$5,162 HKD
Retailer 4HK$7,429 HKD
Retailer 6HK$8,936 HKD

43 data points across 8 retailers

19 retailersHK$2,330 HKD to HK$7,429 HKD

A
Cheapest Retailer
-
HK$2,330 HKD
Retailer 2
-
HK$2,707 HKD
View
Price last confirmed 63 days ago
B+
Retailer 3
-
HK$3,224 HKD
View
Retailer 4
-
HK$3,224 HKD
View
Price last confirmed 45 days ago
Retailer 5
-
HK$3,224 HKD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
HK$3,224 HKD
View
Retailer 7
-
HK$3,373 HKD
View
Price last confirmed 16 days ago
Retailer 8
-
HK$3,468 HKD
View
Price last confirmed 21 days ago
Retailer 9
-
HK$3,719 HKD
View
Price last confirmed 66 days ago
Retailer 10
-
HK$3,719 HKD
View
Price last confirmed 43 days ago
B
Retailer 11
-
HK$3,923 HKD
View
B
Retailer 12
-
HK$4,095 HKD
View
B
Retailer 13
-
HK$4,244 HKD
View
B
Retailer 14
-
HK$5,162 HKD
View
C
Retailer 15
-
HK$7,429 HKD
View
Retailer 16
-
HK$8,936 HKD
View
Price last confirmed 16 days ago
Retailer 17
-
HK$12,348 HKD
View
Price under review
Retailer 18
-
HK$12,348 HKD
View
Price under review
Most Expensive
NZ Jewellers
518d2469-a78e-4951-b625-97fa260718da · Nov 5
HK$12,348 HKD
$1,574 USD
View
Price under review
18 more retailers have this diamond
Prices start from HK$2,330 HKDSave up to HK$5,099 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$2,330 HKD