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Emerald|Lab Grown|IGI

2.56ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1 • IGI LG660483268

Shape and cutting style on the report: Emerald cut

Certificate IGI LG660483268

Diamond specifications and retailer prices

From $603 NZD
$340 USD
As of October 30, 2026
Save $6,033 NZD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,636 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.56ct lab-grown emerald diamond

This 2.56ct lab-grown emerald sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660483268 or 660483268. Listed at 19 retailers as of October 29, 2026, with prices from $603 to $6,636, a $6,033 spread on the same certified stone. Brilliant Earth lists it at $6,636. 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

2.56
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660483268
Dimensions9.17 × 6.44 × 4.42 mm
L/W Ratio1.42
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.17 mm6.44 mm2.56 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660483268
Side View
Table 64.0%Crown 34.3°Girdle: MED-STKPavilion 38.3°Culet: LNGDepth 68.6%

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: $6,636 NZD|Low: $603 NZD|High: $6,920 NZD|Avg: $2,519 NZD|-4.1%
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
October 30, 2026
Retailer 11$603 NZD
Retailer 13$676 NZD
Retailer 12$749 NZD
Retailer 5$995 NZD
Retailer 10$1,002 NZD
Retailer 4$1,187 NZD
Retailer 2$1,495 NZD
Retailer 9$2,197 NZD
Retailer 3$2,902 NZD
Retailer 8$3,185 NZD
Retailer 6$3,247 NZD
Retailer 7$5,358 NZD
Brilliant Earth$6,636 NZD

33 data points across 13 retailers

19 retailers$603 NZD to $6,636 NZD

Retailer 1
-
$603 NZD
$340 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$603 NZD
$340 USD
View
A
Retailer 3
-
$676 NZD
$381 USD
View
Final sale: no returns
Retailer 4
-
$740 NZD
$417 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$749 NZD
$422 USD
View
A
Retailer 6
-
$749 NZD
$422 USD
View
B+
Retailer 7
-
$995 NZD
$561 USD
View
A
Retailer 8
-
$1,002 NZD
$565 USD
View
B+
Retailer 9
-
$1,411 NZD
$795 USD
View
B+
Retailer 10
-
$1,495 NZD
£663 GBP
View
B
Retailer 11
-
$2,197 NZD
$1,238 USD
View
B
Retailer 12
-
$2,658 NZD
$1,498 USD
View
B
Retailer 13
-
$2,902 NZD
$1,636 USD
View
B
Retailer 14
-
$2,934 NZD
$1,654 USD
View
Retailer 15
-
$3,185 NZD
$1,795 USD
View
Price last confirmed 12 days ago
Retailer 16
-
$3,185 NZD
$1,795 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$3,247 NZD
£1,441 GBP
View
B
Retailer 18
-
$5,358 NZD
$3,020 USD
View
Most Expensive
B
Brilliant Earth
18600508A · Oct 29
$6,636 NZD
$3,740 USD
View
18 more retailers have this diamond
Prices start from $603 NZDSave up to $6,033 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
2.56ct Emerald
$603 NZD