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Emerald|Natural|GIA

0.51ct E SI1 Emerald Natural Diamond

VG • E/SI1 • GIA 6512726209

Certificate GIA 6512726209

Diamond specifications and retailer prices

From HK$5,626 HKD
$717 USD
As of October 29, 2026
Save HK$7,089 HKD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$17,654 HKD at NZ Jewellers · As of October 27, 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 E 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 6512726209. Listed at 14 retailers as of October 26, 2026, with a 126% 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
E
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6512726209
Dimensions5.21 × 3.87 × 2.63 mm
L/W Ratio1.35
Top View
5.21 mm3.87 mm0.51 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512726209
Side View
Table 64.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$6,771 HKD|Low: HK$5,846 HKD|High: HK$12,855 HKD|Avg: HK$8,031 HKD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8HK$5,846 HKD
Retailer 2HK$6,511 HKD
Retailer 4HK$6,513 HKD
Retailer 1HK$6,771 HKD
Retailer 3HK$7,983 HKD
Retailer 7HK$8,465 HKD
Retailer 6HK$8,668 HKD
Retailer 5HK$12,715 HKD

37 data points across 8 retailers

14 retailersHK$5,626 HKD to HK$12,715 HKD

B+
Cheapest Retailer
-
HK$5,626 HKD
$717 USD
B+
Retailer 2
-
HK$5,626 HKD
$717 USD
View
B+
Retailer 3
-
HK$5,846 HKD
$745 USD
View
B
Retailer 4
-
HK$6,497 HKD
$828 USD
View
B
Retailer 5
-
HK$6,511 HKD
£653 GBP
View
B+
Retailer 6
-
HK$6,513 HKD
$830 USD
View
B+
Retailer 7
-
HK$6,667 HKD
$850 USD
View
B+
Retailer 8
-
HK$6,771 HKD
£679 GBP
View
B
Retailer 9
-
HK$7,540 HKD
$961 USD
View
B
Retailer 10
-
HK$7,983 HKD
€969 EUR
View
Retailer 11
-
HK$8,465 HKD
A$1,660 AUD
View
Price last confirmed 26 days ago
B
Retailer 12
-
HK$8,668 HKD
ZAR 17,847 ZAR
View
B
Retailer 13
-
HK$12,715 HKD
£1,276 GBP
View
Most Expensive
NZ Jewellers
5d109806-f6ce-487c-9a7e-f1de22c1bbaa · Oct 27
HK$17,654 HKD
$2,250 USD
View
Price under review
13 more retailers have this diamond
Prices start from HK$5,626 HKDSave up to HK$7,089 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$5,626 HKD