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Emerald|Lab Grown|IGI

2.55ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG789628776

Shape and cutting style on the report: Emerald cut

Certificate IGI LG789628776

Diamond specifications and retailer prices

From $836 NZD
$471 USD
As of October 30, 2026
Save $3,174 NZD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,010 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.55ct lab-grown emerald diamond

This 2.55ct 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 LG789628776 or 789628776. Listed at 15 retailers as of October 30, 2026, with prices from $836 to $4,010, a $3,174 spread on the same certified stone. Brilliant Earth lists it at $4,010. 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

2.55
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789628776
Dimensions9.12 × 6.28 × 4.45 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.12 mm6.28 mm2.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789628776
Side View
Table 65.0%Crown 37.1°Girdle: Slightly ThickPavilion 39.5°Culet: LargeDepth 70.9%

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 30
Current: $4,010 NZD|Low: $802 NZD|High: $7,541 NZD|Avg: $2,371 NZD|-41.9%
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 11$836 NZD
Retailer 13$933 NZD
Retailer 5$935 NZD
Retailer 4$1,036 NZD
Retailer 14$1,036 NZD
Retailer 9$1,286 NZD
Retailer 6$1,526 NZD
Retailer 15$1,620 NZD
Retailer 2$1,718 NZD
Retailer 10$2,784 NZD
Retailer 3$3,329 NZD
Retailer 7$3,381 NZD
Retailer 12$3,650 NZD
Retailer 8$3,824 NZD
Brilliant Earth$4,010 NZD

43 data points across 15 retailers

15 retailers$836 NZD to $4,010 NZD

A
Cheapest Retailer
-
$836 NZD
$471 USD
A
Retailer 2
-
$933 NZD
$526 USD
View
Final sale: no returns
A
Retailer 3
-
$935 NZD
$527 USD
View
Retailer 4
-
$1,036 NZD
$584 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,036 NZD
$584 USD
View
A
Retailer 6
-
$1,286 NZD
$725 USD
View
B+
Retailer 7
-
$1,526 NZD
$860 USD
View
B+
Retailer 8
-
$1,620 NZD
$913 USD
View
B+
Retailer 9
-
$1,718 NZD
£762 GBP
View
B
Retailer 10
-
$2,784 NZD
$1,569 USD
View
B
Retailer 11
-
$3,329 NZD
$1,876 USD
View
B
Retailer 12
-
$3,381 NZD
$1,906 USD
View
B
Retailer 13
-
$3,650 NZD
$2,057 USD
View
B
Retailer 14
-
$3,824 NZD
£1,697 GBP
View
Most Expensive
B
Brilliant Earth
21067172A · Oct 30
$4,010 NZD
$2,260 USD
View
14 more retailers have this diamond
Prices start from $836 NZDSave up to $3,174 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
2.55ct Emerald
$836 NZD