Cushion|Lab Grown|GCAL

2.55ct G SI1 Cushion Lab Grown Diamond

VG • G/SI1 • GCAL 330900351

Shape and cutting style on the report: Cushion modified brilliant

Certificate GCAL 330900351

Diamond specifications and retailer prices

From $388 USD
As of November 1, 2026
Save $2,682 USD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,070 USD at Do Amore Diamonds · As of November 2, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 330900351. Listed at 11 retailers as of November 1, 2026, with prices from $388 to $3,070, a $2,682 spread on the same certified stone. Do Amore Diamonds lists it at $3,070. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.55
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle32°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 330900351
Dimensions9.15 × 7.34 × 4.76 mm
L/W Ratio1.25
Culet sizeNone
Top View
9.15 mm7.34 mm2.55 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 330900351
Side View
Table 57.0%Crown 33°Girdle: MED-VTKPavilion 32°Culet: NoneDepth 64.8%

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: Nov 1
Current: $3,070 USD|Low: $360 USD|High: $3,070 USD|Avg: $1,237 USD|+7.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 9$388 USD
Retailer 10$429 USD
Retailer 11$638 USD
Retailer 7$656 USD
Retailer 4$749 USD
Retailer 6$1,419 USD
Retailer 2$1,461 USD
Retailer 8$1,675 USD
Retailer 3$1,678 USD
Retailer 5$1,852 USD
Do Amore Diamonds$3,070 USD

42 data points across 11 retailers

11 retailers$388 USD to $3,070 USD

B+
Cheapest Retailer
-
$388 USD
Final sale: no returns
Retailer 2
-
$429 USD
View
Price last confirmed 8 days ago
B
Retailer 3
-
$638 USD
View
A
Retailer 4
-
$656 USD
View
B+
Retailer 5
-
$749 USD
£590 GBP
View
B
Retailer 6
-
$1,419 USD
CA$1,971 CAD
View
B
Retailer 7
-
$1,461 USD
£1,150 GBP
View
B
Retailer 8
-
$1,675 USD
View
B
Retailer 9
-
$1,678 USD
View
B
Retailer 10
-
$1,852 USD
£1,458 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9513C04E8 · Nov 2
$3,070 USD
View
10 more retailers have this diamond
Prices start from $388 USDSave up to $2,682 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
$388 USD