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Emerald|Natural|IGI

0.51ct E SI1 Emerald Natural Diamond

EX • E/SI1 • IGI 831669532

Shape and cutting style on the report: Emerald cut

Certificate IGI 831669532

Diamond specifications and retailer prices

From HK$4,377 HKD
₹53,130 INR
As of October 29, 2026
Save HK$6,196 HKD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$18,015 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 top-tier cut grade and certified by IGI 831669532. Listed at 15 retailers as of October 29, 2026, with a 142% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle36.8°
OriginNatural
Grading LabIGI
CertificateIGI 831669532
Dimensions5.50 × 3.77 × 2.44 mm
L/W Ratio1.46
Culet sizeLarge
Top View
5.50 mm3.77 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831669532
Side View
Table 68.0%Crown 35.2°Girdle: Slightly ThickPavilion 36.8°Culet: LargeDepth 64.7%

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$18,015 HKD|Low: HK$4,348 HKD|High: HK$18,659 HKD|Avg: HK$7,498 HKD|-3.4%
NZ Jewellers
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
October 29, 2026
Retailer 8HK$4,377 HKD
Retailer 5HK$5,304 HKD
Retailer 12HK$5,744 HKD
Retailer 14HK$5,744 HKD
Retailer 11HK$5,846 HKD
Retailer 13HK$5,963 HKD
Retailer 7HK$6,050 HKD
Retailer 15HK$6,630 HKD
Retailer 3HK$6,783 HKD
Retailer 6HK$6,881 HKD
Retailer 2HK$7,082 HKD
Retailer 9HK$7,596 HKD
Retailer 10HK$8,844 HKD
Retailer 4HK$10,573 HKD
NZ JewellersHK$18,015 HKD

23 data points across 15 retailers

15 retailersHK$4,377 HKD to HK$10,573 HKD

A
Cheapest Retailer
-
HK$4,377 HKD
₹53,130 INR
B+
Retailer 2
-
HK$5,304 HKD
$676 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$5,744 HKD
$732 USD
View
B+
Retailer 4
-
HK$5,744 HKD
$732 USD
View
B+
Retailer 5
-
HK$5,846 HKD
$745 USD
View
B+
Retailer 6
-
HK$5,963 HKD
$760 USD
View
B+
Retailer 7
-
HK$6,050 HKD
$771 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
HK$6,630 HKD
$845 USD
View
B+
Retailer 9
-
HK$6,783 HKD
$864 USD
View
B+
Retailer 10
-
HK$6,881 HKD
$877 USD
View
B+
Retailer 11
-
HK$7,082 HKD
£711 GBP
View
B
Retailer 12
-
HK$7,596 HKD
€922 EUR
View
B
Retailer 13
-
HK$8,844 HKD
ZAR 18,210 ZAR
View
B
Retailer 14
-
HK$10,573 HKD
£1,061 GBP
View
Most Expensive
B
NZ Jewellers
60491f8c-62dc-49d1-ba6a-da5b3b1d7c12 · Oct 27
HK$18,015 HKD
$2,296 USD
View
Price under review
14 more retailers have this diamond
Prices start from HK$4,377 HKDSave up to HK$6,196 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$4,377 HKD