CaratHunter
Plans
Cushion|Lab Grown|IGI

2.50ct F SI1 Cushion Lab Grown Diamond

VG • F/SI1 • IGI LG848628554

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG848628554

Diamond specifications and retailer prices

From $843 USD
As of October 28, 2026
Save $197 USD (19%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,040 USD at 77 Diamonds · As of October 28, 2026
View at 77 Diamonds

About this 2.5ct lab-grown cushion diamond

This 2.5ct lab-grown cushion sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG848628554 or 848628554. Listed at 3 retailers as of October 28, 2026, with prices from $843 to $1,040, a $197 spread on the same certified stone. 77 Diamonds lists it at $1,040. 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

2.50
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848628554
Dimensions8.25 × 7.72 × 4.80 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.25 mm7.72 mm2.50 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848628554
Side View
Table 43.0%Crown 38.7°Girdle: STK-THKPavilion 36.6°Culet: LargeDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,040 USD|Low: $843 USD|High: $1,040 USD|Avg: $959 USD|+1.3%
77 Diamonds
Retailer 2
Retailer 3
October 28, 2026
Retailer 3$843 USD
Retailer 2$975 USD
77 Diamonds$1,040 USD

4 data points across 3 retailers

3 retailers$843 USD to $1,040 USD

B+
Cheapest Retailer
-
$843 USD
B+
Retailer 2
-
$975 USD
View
Most Expensive
B+
77 Diamonds
CUSPUIFSX5TUGHHT · Oct 28
$1,040 USD
£819 GBP
View
2 more retailers have this diamond
Prices start from $843 USDSave up to $197 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.

B+
2.50ct Cushion
$843 USD