Emerald|Lab Grown|IGI

2.55ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG818646254

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818646254

Diamond specifications and retailer prices

From $259 USD
As of October 30, 2026
Save $1,123 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,382 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG818646254 or 818646254. Listed at 16 retailers as of October 30, 2026, with prices from $259 to $1,382, a $1,123 spread on the same certified stone. Reve Diamonds lists it at $1,382. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818646254
Dimensions8.80 × 6.49 × 4.43 mm
L/W Ratio1.36
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.80 mm6.49 mm2.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818646254
Side View
Table 61.0%Crown 36.7°Girdle: MED-STKPavilion 44°Culet: LargeDepth 68.3%

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: $432 USD|Low: $176 USD|High: $1,382 USD|Avg: $649 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 30, 2026
Retailer 9$176 USD
Retailer 7$259 USD
Retailer 8$290 USD
Retailer 4$321 USD
Retailer 1$432 USD
Retailer 3$435 USD
Retailer 2$612 USD
Retailer 6$987 USD
Retailer 5$1,289 USD
Reve Diamonds$1,382 USD

39 data points across 10 retailers

16 retailers$259 USD to $1,382 USD

Retailer 1
-
$259 USD
Price last confirmed 19 days ago
Retailer 2
-
$259 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$259 USD
View
A
Retailer 4
-
$290 USD
View
Final sale: no returns
Retailer 5
-
$300 USD
View
Price last confirmed 36 days ago
Retailer 6
-
$317 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$321 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$321 USD
View
Retailer 9
-
$321 USD
View
Price last confirmed 18 days ago
B+
Retailer 10
-
$432 USD
View
A
Retailer 11
-
$435 USD
View
A
Retailer 12
-
$612 USD
£482 GBP
View
B+
Retailer 13
-
$987 USD
View
Retailer 14
-
$1,032 USD
View
Price last confirmed 30 days ago
B
Retailer 15
-
$1,289 USD
£1,015 GBP
View
Most Expensive
B
Reve Diamonds
0D63896D5 · Oct 30
$1,382 USD
View
15 more retailers have this diamond
Prices start from $259 USDSave up to $1,123 USD

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
$259 USD