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Emerald|Lab Grown|IGI

3.05ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG658494556

Shape and cutting style on the report: Emerald cut

Certificate IGI LG658494556

Diamond specifications and retailer prices

From $578 NZD
$326 USD
As of October 30, 2026
Save $4,123 NZD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,702 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.05ct lab-grown emerald diamond

This 3.05ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG658494556 or 658494556. Listed at 19 retailers as of October 29, 2026, with prices from $578 to $4,702, a $4,123 spread on the same certified stone. Brilliant Earth lists it at $4,702. 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

3.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658494556
Dimensions10.49 × 6.71 × 4.61 mm
L/W Ratio1.56
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.49 mm6.71 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658494556
Side View
Table 66.0%Crown 28.2°Girdle: MediumPavilion 40.7°Culet: LNGDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,702 NZD|Low: $555 NZD|High: $5,270 NZD|Avg: $1,903 NZD|-10.8%
Brilliant Earth
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 12$578 NZD
Retailer 3$646 NZD
Retailer 4$717 NZD
Retailer 13$717 NZD
Retailer 11$1,082 NZD
Retailer 8$1,151 NZD
Retailer 15$1,162 NZD
Retailer 2$1,281 NZD
Retailer 14$1,416 NZD
Retailer 9$1,778 NZD
Retailer 6$2,300 NZD
Retailer 5$2,383 NZD
Retailer 10$2,889 NZD
Retailer 7$3,729 NZD
Brilliant Earth$4,702 NZD

43 data points across 15 retailers

19 retailers$578 NZD to $4,702 NZD

A
Cheapest Retailer
-
$578 NZD
$326 USD
Retailer 2
-
$586 NZD
$330 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$646 NZD
$364 USD
View
Final sale: no returns
Retailer 4
-
$680 NZD
$383 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
$717 NZD
$404 USD
View
Retailer 6
-
$717 NZD
$404 USD
View
Price last confirmed 36 days ago
A
Retailer 7
-
$717 NZD
$404 USD
View
A
Retailer 8
-
$1,082 NZD
$610 USD
View
A
Retailer 9
-
$1,151 NZD
€618 EUR
View
B+
Retailer 10
-
$1,162 NZD
$655 USD
View
A
Retailer 11
-
$1,281 NZD
£569 GBP
View
A
Retailer 12
-
$1,416 NZD
$798 USD
View
B+
Retailer 13
-
$1,778 NZD
$1,002 USD
View
B+
Retailer 14
-
$2,300 NZD
SGD 1,752 SGD
View
B+
Retailer 15
-
$2,305 NZD
$1,299 USD
View
B
Retailer 16
-
$2,383 NZD
$1,343 USD
View
B+
Retailer 17
-
$2,889 NZD
£1,282 GBP
View
Retailer 18
-
$3,729 NZD
$2,102 USD
View
Price last confirmed 72 days ago
Most Expensive
B
Brilliant Earth
18359976A · Oct 29
$4,702 NZD
$2,650 USD
View
18 more retailers have this diamond
Prices start from $578 NZDSave up to $4,123 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
3.05ct Emerald
$578 NZD