Cushion|Lab Grown|IGI

2.55ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG810616168

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG810616168

Diamond specifications and retailer prices

From $588 USD
As of October 30, 2026
Save $2,582 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,170 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 2.55ct lab-grown cushion diamond

This 2.55ct lab-grown cushion 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 LG810616168 or 810616168. Listed at 12 retailers as of October 29, 2026, with prices from $588 to $3,170, a $2,582 spread on the same certified stone. Do Amore Diamonds lists it at $3,170. 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 angle36.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810616168
Dimensions9.64 × 7.33 × 4.81 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.64 mm7.33 mm2.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810616168
Side View
Table 59.0%Crown 36.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 65.6%

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: $3,170 USD|Low: $515 USD|High: $3,170 USD|Avg: $1,429 USD
Do Amore Diamonds
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 29, 2026
Retailer 10$588 USD
Retailer 6$590 USD
Retailer 4$655 USD
Retailer 2$754 USD
Retailer 5$974 USD
Retailer 9$1,171 USD
Retailer 11$1,342 USD
Retailer 13$1,450 USD
Retailer 8$1,700 USD
Retailer 12$1,756 USD
Retailer 7$1,910 USD
Retailer 3$2,490 USD
Do Amore Diamonds$3,170 USD

22 data points across 13 retailers

12 retailers$588 USD to $3,170 USD

B+
Cheapest Retailer
-
$588 USD
A
Retailer 2
-
$590 USD
View
A
Retailer 3
-
$655 USD
View
A
Retailer 4
-
$754 USD
€718 EUR
View
B+
Retailer 5
-
$1,171 USD
View
B
Retailer 6
-
$1,342 USD
View
B
Retailer 7
-
$1,450 USD
View
B
Retailer 8
-
$1,700 USD
View
B
Retailer 9
-
$1,756 USD
SGD 2,373 SGD
View
B
Retailer 10
-
$1,910 USD
£1,504 GBP
View
B
Retailer 11
-
$2,370 USD
View
Most Expensive
B
Do Amore Diamonds
27-174D02307 · Oct 29
$3,170 USD
View
11 more retailers have this diamond
Prices start from $588 USDSave up to $2,582 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 Cushion
$588 USD