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Emerald|Natural|GIA

0.51ct H SI1 Emerald Natural Diamond

GD • H/SI1 • GIA 6555273625

Certificate GIA 6555273625

Diamond specifications and retailer prices

From HK$4,158 HKD
$530 USD
As of October 30, 2026
Save HK$3,774 HKD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$12,950 HKD at Torres Jewel Co · As of October 4, 2026
View at Torres Jewel Co

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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6555273625. Listed at 19 retailers as of October 30, 2026, with a 91% 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
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555273625
Dimensions5.39 × 3.85 × 2.56 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
5.39 mm3.85 mm0.51 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555273625
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.5%

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 30
Current: HK$5,982 HKD|Low: HK$3,083 HKD|High: HK$24,157 HKD|Avg: HK$10,348 HKD|-51.4%
Retailer 1
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
Torres Jewel Co
November 1, 2026
Retailer 10HK$3,602 HKD
Retailer 2HK$4,158 HKD
Retailer 16HK$4,488 HKD
Retailer 3HK$4,620 HKD
Retailer 18HK$5,908 HKD
Retailer 12HK$5,944 HKD
Retailer 1HK$5,982 HKD
Retailer 13HK$6,355 HKD
Retailer 14HK$6,549 HKD
Retailer 15HK$7,522 HKD
Retailer 17HK$7,932 HKD
Retailer 7HK$9,485 HKD
Retailer 6HK$9,901 HKD
Retailer 9HK$10,286 HKD
Retailer 11HK$11,249 HKD
Retailer 5HK$11,431 HKD
Torres Jewel CoHK$12,950 HKD
Retailer 8HK$16,723 HKD
Retailer 4HK$24,157 HKD

39 data points across 19 retailers

19 retailersHK$4,158 HKD to HK$7,932 HKD

B+
Cheapest Retailer
-
HK$4,158 HKD
$530 USD
B+
Retailer 2
-
HK$4,488 HKD
$572 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$4,620 HKD
View
B
Retailer 4
-
HK$5,908 HKD
$753 USD
View
B
Retailer 5
-
HK$5,944 HKD
£597 GBP
View
B
Retailer 6
-
HK$5,982 HKD
£600 GBP
View
B
Retailer 7
-
HK$6,355 HKD
$810 USD
View
B
Retailer 8
-
HK$6,549 HKD
€795 EUR
View
B
Retailer 9
-
HK$7,522 HKD
ZAR 15,488 ZAR
View
C
Retailer 10
-
HK$7,932 HKD
$1,011 USD
View
Retailer 11
-
HK$9,485 HKD
$1,209 USD
View
Price last confirmed 27 days ago
Retailer 12
-
HK$9,901 HKD
$1,262 USD
View
Price last confirmed 24 days ago
Retailer 13
-
HK$10,286 HKD
$1,311 USD
View
Price under review
Retailer 14
-
HK$11,249 HKD
£1,129 GBP
View
Price under review
Retailer 15
-
HK$11,431 HKD
$1,457 USD
View
Price under review
Most Expensive
Torres Jewel Co
25700729 · Oct 4
HK$12,950 HKD
A$2,539 AUD
View
Price under review
15 more retailers have this diamond
Prices start from HK$4,158 HKDSave up to HK$3,774 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$4,158 HKD