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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 $993 NZD
₹53,130 INR
As of October 29, 2026
Save $1,406 NZD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,088 NZD 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: $4,088 NZD|Low: $987 NZD|High: $4,234 NZD|Avg: $1,701 NZD|-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 30, 2026
Retailer 8$993 NZD
Retailer 5$1,204 NZD
Retailer 12$1,303 NZD
Retailer 14$1,303 NZD
Retailer 11$1,326 NZD
Retailer 13$1,353 NZD
Retailer 7$1,373 NZD
Retailer 15$1,505 NZD
Retailer 3$1,539 NZD
Retailer 6$1,561 NZD
Retailer 2$1,612 NZD
Retailer 9$1,724 NZD
Retailer 10$2,007 NZD
Retailer 4$2,399 NZD
NZ Jewellers$4,088 NZD

24 data points across 15 retailers

15 retailers$993 NZD to $2,399 NZD

A
Cheapest Retailer
-
$993 NZD
₹53,130 INR
B+
Retailer 2
-
$1,204 NZD
$676 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,303 NZD
$732 USD
View
B+
Retailer 4
-
$1,303 NZD
$732 USD
View
B+
Retailer 5
-
$1,326 NZD
$745 USD
View
B+
Retailer 6
-
$1,353 NZD
$760 USD
View
Retailer 7
-
$1,373 NZD
$771 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
$1,505 NZD
$845 USD
View
B+
Retailer 9
-
$1,539 NZD
$864 USD
View
B+
Retailer 10
-
$1,561 NZD
$877 USD
View
B+
Retailer 11
-
$1,612 NZD
£713 GBP
View
B
Retailer 12
-
$1,724 NZD
€922 EUR
View
B
Retailer 13
-
$2,007 NZD
ZAR 18,210 ZAR
View
B
Retailer 14
-
$2,399 NZD
£1,061 GBP
View
Most Expensive
NZ Jewellers
60491f8c-62dc-49d1-ba6a-da5b3b1d7c12 · Oct 27
$4,088 NZD
$2,296 USD
View
Price under review
14 more retailers have this diamond
Prices start from $993 NZDSave up to $1,406 NZD

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
$993 NZD