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Round|Lab Grown|IGI

2.55ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG662418026

Shape and cutting style on the report: Round brilliant

Certificate IGI LG662418026

Diamond specifications and retailer prices

From $295 USD
As of October 29, 2026
Save $880 USD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,175 USD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 2.55ct lab-grown round diamond

This 2.55ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG662418026 or 662418026. Listed at 10 retailers as of October 28, 2026, with prices from $295 to $1,175, a $880 spread on the same certified stone. NZ Jewellers lists it at $1,175. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662418026
Dimensions8.79 × 8.82 × 5.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.79 mm8.82 mm2.55 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662418026
Side View
Table 56.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

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: $1,175 USD|Low: $295 USD|High: $3,743 USD|Avg: $1,285 USD
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
October 30, 2026
Retailer 6$295 USD
Retailer 13$366 USD
Retailer 10$410 USD
Retailer 7$593 USD
Retailer 8$593 USD
Retailer 12$599 USD
Retailer 2$646 USD
Retailer 9$667 USD
Retailer 11$680 USD
NZ Jewellers$1,175 USD
Retailer 3$1,911 USD
Retailer 5$3,230 USD
Retailer 4$3,743 USD

4 data points across 13 retailers

10 retailers$295 USD to $1,175 USD

A
Cheapest Retailer
-
$295 USD
A
Retailer 2
-
$366 USD
View
A
Retailer 3
-
$410 USD
HK$3,200 HKD
View
A
Retailer 4
-
$593 USD
€565 EUR
View
A
Retailer 5
-
$593 USD
£467 GBP
View
B+
Retailer 6
-
$599 USD
View
A
Retailer 7
-
$646 USD
£509 GBP
View
A
Retailer 8
-
$667 USD
View
A
Retailer 9
-
$680 USD
View
Most Expensive
B
NZ Jewellers
fd361da5-969a-4ce9-ae29-9d59bc2976e7 · Oct 28
$1,175 USD
View
9 more retailers have this diamond
Prices start from $295 USDSave up to $880 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 Round
$295 USD