CaratHunter
Plans
Cushion|Lab Grown|IGI

3.08ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG653444806

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG653444806

Diamond specifications and retailer prices

From $460 USD
As of November 6, 2026
Save $1,510 USD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,970 USD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.08ct lab-grown cushion diamond

This 3.08ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG653444806 or 653444806. Listed at 10 retailers as of November 1, 2026, with prices from $460 to $1,970, a $1,510 spread on the same certified stone. Rare Carat lists it at $1,970. 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

3.08
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653444806
Dimensions8.63 × 8.48 × 5.61 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
8.63 mm8.48 mm3.08 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653444806
Side View
Table 65.0%Crown 36°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 66.2%

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 6
Current: $1,970 USD|Low: $460 USD|High: $5,010 USD|Avg: $1,515 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$460 USD
Retailer 5$507 USD
Retailer 8$570 USD
Retailer 12$673 USD
Retailer 2$676 USD
Retailer 9$736 USD
Retailer 6$740 USD
Retailer 11$1,030 USD
Retailer 7$1,667 USD
Rare Carat$1,970 USD
Retailer 3$3,886 USD
Retailer 4$5,010 USD

10 data points across 12 retailers

10 retailers$460 USD to $1,970 USD

A
Cheapest Retailer
-
$460 USD
A
Retailer 2
-
$507 USD
View
A
Retailer 3
-
$570 USD
View
B+
Retailer 4
-
$673 USD
View
A
Retailer 5
-
$676 USD
View
A
Retailer 6
-
$736 USD
View
A
Retailer 7
-
$740 USD
View
A
Retailer 8
-
$1,030 USD
View
B+
Retailer 9
-
$1,667 USD
View
Most Expensive
B
Rare Carat
KI8064448KF653 · Nov 1
$1,970 USD
View
9 more retailers have this diamond
Prices start from $460 USDSave up to $1,510 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
3.08ct Cushion
$460 USD