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 €501 EUR
₹53,130 INR
As of October 29, 2026
Save €709 EUR (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,063 EUR 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: €2,063 EUR|Low: €498 EUR|High: €2,137 EUR|Avg: €859 EUR|-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€501 EUR
Retailer 5€607 EUR
Retailer 12€658 EUR
Retailer 14€658 EUR
Retailer 11€669 EUR
Retailer 13€683 EUR
Retailer 7€693 EUR
Retailer 15€759 EUR
Retailer 3€777 EUR
Retailer 6€788 EUR
Retailer 2€811 EUR
Retailer 9€870 EUR
Retailer 10€1,013 EUR
Retailer 4€1,211 EUR
NZ Jewellers€2,063 EUR

23 data points across 15 retailers

15 retailers€501 EUR to €1,211 EUR

A
Cheapest Retailer
-
€501 EUR
₹53,130 INR
B+
Retailer 2
-
€607 EUR
$676 USD
View
Final sale: no returns
B+
Retailer 3
-
€658 EUR
$732 USD
View
B+
Retailer 4
-
€658 EUR
$732 USD
View
B+
Retailer 5
-
€669 EUR
$745 USD
View
B+
Retailer 6
-
€683 EUR
$760 USD
View
Retailer 7
-
€693 EUR
$771 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
€759 EUR
$845 USD
View
B+
Retailer 9
-
€777 EUR
$864 USD
View
B+
Retailer 10
-
€788 EUR
$877 USD
View
B+
Retailer 11
-
€811 EUR
£711 GBP
View
B
Retailer 12
-
€870 EUR
View
B
Retailer 13
-
€1,013 EUR
ZAR 18,210 ZAR
View
B
Retailer 14
-
€1,211 EUR
£1,061 GBP
View
Most Expensive
NZ Jewellers
60491f8c-62dc-49d1-ba6a-da5b3b1d7c12 · Oct 27
€2,063 EUR
$2,296 USD
View
Price under review
14 more retailers have this diamond
Prices start from €501 EURSave up to €709 EUR

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
€501 EUR