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Cushion|Lab Grown|IGI

2.55ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG696578120

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG696578120

Diamond specifications and retailer prices

From $442 USD
As of October 28, 2026
Save $3,428 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,870 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG696578120 or 696578120. Listed at 18 retailers as of October 23, 2026, with prices from $442 to $3,870, a $3,428 spread on the same certified stone. Brilliant Earth lists it at $3,870. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.55
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696578120
Dimensions8.05 × 7.92 × 5.14 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm7.92 mm2.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696578120
Side View
Table 62.0%Crown 35.3°Girdle: MediumPavilion 38.8°Culet: NoneDepth 64.9%

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 28
Current: $3,870 USD|Low: $391 USD|High: $4,460 USD|Avg: $1,376 USD|-13.2%
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
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 9$442 USD
Retailer 17$490 USD
Retailer 16$516 USD
Retailer 18$690 USD
Retailer 11$719 USD
Retailer 5$777 USD
Retailer 2$802 USD
Retailer 4$850 USD
Retailer 7$1,035 USD
Retailer 12$1,085 USD
Retailer 14$1,183 USD
Retailer 8$1,613 USD
Retailer 10$1,817 USD
Retailer 6$1,835 USD
Retailer 13$1,927 USD
Retailer 15$2,160 USD
Retailer 3$3,077 USD
Brilliant Earth$3,870 USD

36 data points across 18 retailers

18 retailers$442 USD to $3,870 USD

A
Cheapest Retailer
-
$442 USD
Final sale: no returns
A
Retailer 2
-
$490 USD
View
A
Retailer 3
-
$516 USD
£406 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
$690 USD
View
A
Retailer 5
-
$719 USD
€685 EUR
View
A
Retailer 6
-
$777 USD
View
A
Retailer 7
-
$802 USD
£632 GBP
View
A
Retailer 8
-
$850 USD
View
A
Retailer 9
-
$1,035 USD
View
A
Retailer 10
-
$1,085 USD
A$1,669 AUD
View
A
Retailer 11
-
$1,183 USD
ZAR 19,105 ZAR
View
B+
Retailer 12
-
$1,613 USD
View
B+
Retailer 13
-
$1,817 USD
View
B+
Retailer 14
-
$1,835 USD
View
B+
Retailer 15
-
$1,927 USD
£1,517 GBP
View
B+
Retailer 16
-
$2,160 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$3,077 USD
View
Most Expensive
B
Brilliant Earth
13793579A · Oct 23
$3,870 USD
View
17 more retailers have this diamond
Prices start from $442 USDSave up to $3,428 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
$442 USD