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Emerald|Natural|GIA

0.51ct G SI1 Emerald Natural Diamond

EX • G/SI1 • GIA 2518144919

Certificate GIA 2518144919

Diamond specifications and retailer prices

From HK$3,429 HKD
$437 USD
As of October 29, 2026
Save HK$1,331 HKD (28%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$4,760 HKD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 0.51ct natural emerald diamond

This 0.51ct natural emerald sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2518144919. Listed at 7 retailers as of October 29, 2026, with prices from HK$3,429 to HK$4,760, a HK$1,331 spread on the same certified stone. 77 Diamonds lists it at HK$4,760. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2518144919
Dimensions5.17 × 3.80 × 2.60 mm
L/W Ratio1.36
Top View
5.17 mm3.80 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2518144919
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.4%

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: Oct 29
Current: HK$4,760 HKD|Low: HK$2,974 HKD|High: HK$5,884 HKD|Avg: HK$4,427 HKD|-0.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5HK$3,429 HKD
Retailer 2HK$3,436 HKD
Retailer 3HK$3,531 HKD
Retailer 6HK$3,688 HKD
Retailer 10HK$3,800 HKD
Retailer 4HK$4,111 HKD
77 DiamondsHK$4,760 HKD
Retailer 7HK$5,649 HKD
Retailer 8HK$5,649 HKD
Retailer 9HK$5,884 HKD

38 data points across 10 retailers

7 retailersHK$3,429 HKD to HK$4,760 HKD

A
Cheapest Retailer
-
HK$3,429 HKD
$437 USD
Final sale: no returns
A
Retailer 2
-
HK$3,436 HKD
$438 USD
View
A
Retailer 3
-
HK$3,531 HKD
$450 USD
View
A
Retailer 4
-
HK$3,688 HKD
MYR 1,915 MYR
View
Retailer 5
-
HK$3,800 HKD
$484 USD
View
Price last confirmed 97 days ago
A
Retailer 6
-
HK$4,111 HKD
SGD 708 SGD
View
Most Expensive
B+
77 Diamonds
EMCPBPXRYRUP · Oct 30
HK$4,760 HKD
£478 GBP
View
6 more retailers have this diamond
Prices start from HK$3,429 HKDSave up to HK$1,331 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$3,429 HKD