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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 $715 SGD
₹53,130 INR
As of October 29, 2026
Save $1,012 SGD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,943 SGD 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: $2,943 SGD|Low: $710 SGD|High: $3,048 SGD|Avg: $1,225 SGD|-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$715 SGD
Retailer 5$866 SGD
Retailer 12$938 SGD
Retailer 14$938 SGD
Retailer 11$955 SGD
Retailer 13$974 SGD
Retailer 7$988 SGD
Retailer 15$1,083 SGD
Retailer 3$1,108 SGD
Retailer 6$1,124 SGD
Retailer 2$1,157 SGD
Retailer 9$1,241 SGD
Retailer 10$1,445 SGD
Retailer 4$1,727 SGD
NZ Jewellers$2,943 SGD

23 data points across 15 retailers

15 retailers$715 SGD to $1,727 SGD

A
Cheapest Retailer
-
$715 SGD
₹53,130 INR
B+
Retailer 2
-
$866 SGD
$676 USD
View
Final sale: no returns
B+
Retailer 3
-
$938 SGD
$732 USD
View
B+
Retailer 4
-
$938 SGD
$732 USD
View
B+
Retailer 5
-
$955 SGD
$745 USD
View
B+
Retailer 6
-
$974 SGD
$760 USD
View
B+
Retailer 7
-
$988 SGD
$771 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$1,083 SGD
$845 USD
View
B+
Retailer 9
-
$1,108 SGD
$864 USD
View
B+
Retailer 10
-
$1,124 SGD
$877 USD
View
B+
Retailer 11
-
$1,157 SGD
£711 GBP
View
B
Retailer 12
-
$1,241 SGD
€922 EUR
View
B
Retailer 13
-
$1,445 SGD
ZAR 18,210 ZAR
View
B
Retailer 14
-
$1,727 SGD
£1,061 GBP
View
Most Expensive
B
NZ Jewellers
60491f8c-62dc-49d1-ba6a-da5b3b1d7c12 · Oct 27
$2,943 SGD
$2,296 USD
View
Price under review
14 more retailers have this diamond
Prices start from $715 SGDSave up to $1,012 SGD

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
$715 SGD