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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 $794 AUD
₹53,130 INR
As of October 29, 2026
Save $1,124 AUD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,268 AUD 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: $3,268 AUD|Low: $789 AUD|High: $3,385 AUD|Avg: $1,360 AUD|-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 8$794 AUD
Retailer 5$962 AUD
Retailer 12$1,042 AUD
Retailer 14$1,042 AUD
Retailer 11$1,060 AUD
Retailer 13$1,082 AUD
Retailer 7$1,097 AUD
Retailer 15$1,203 AUD
Retailer 3$1,230 AUD
Retailer 6$1,248 AUD
Retailer 2$1,285 AUD
Retailer 9$1,378 AUD
Retailer 10$1,604 AUD
Retailer 4$1,918 AUD
NZ Jewellers$3,268 AUD

23 data points across 15 retailers

15 retailers$794 AUD to $1,918 AUD

A
Cheapest Retailer
-
$794 AUD
₹53,130 INR
B+
Retailer 2
-
$962 AUD
$676 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,042 AUD
$732 USD
View
B+
Retailer 4
-
$1,042 AUD
$732 USD
View
B+
Retailer 5
-
$1,060 AUD
$745 USD
View
B+
Retailer 6
-
$1,082 AUD
$760 USD
View
B+
Retailer 7
-
$1,097 AUD
$771 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$1,203 AUD
$845 USD
View
B+
Retailer 9
-
$1,230 AUD
$864 USD
View
B+
Retailer 10
-
$1,248 AUD
$877 USD
View
B+
Retailer 11
-
$1,285 AUD
£711 GBP
View
B
Retailer 12
-
$1,378 AUD
€922 EUR
View
B
Retailer 13
-
$1,604 AUD
ZAR 18,210 ZAR
View
B
Retailer 14
-
$1,918 AUD
£1,061 GBP
View
Most Expensive
B
NZ Jewellers
60491f8c-62dc-49d1-ba6a-da5b3b1d7c12 · Oct 27
$3,268 AUD
$2,296 USD
View
Price under review
14 more retailers have this diamond
Prices start from $794 AUDSave up to $1,124 AUD

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
$794 AUD