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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 $669 AUD
As of November 6, 2026
Save $2,198 AUD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,867 AUD 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 $669 to $2,867, a $2,198 spread on the same certified stone. Rare Carat lists it at $2,867. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,867 AUD|Low: $669 AUD|High: $7,292 AUD|Avg: $2,205 AUD
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$669 AUD
Retailer 5$738 AUD
Retailer 8$830 AUD
Retailer 12$979 AUD
Retailer 2$984 AUD
Retailer 9$1,071 AUD
Retailer 6$1,077 AUD
Retailer 11$1,499 AUD
Retailer 7$2,426 AUD
Rare Carat$2,867 AUD
Retailer 3$5,656 AUD
Retailer 4$7,292 AUD

10 data points across 12 retailers

10 retailers$669 AUD to $2,867 AUD

A
Cheapest Retailer
-
$669 AUD
A
Retailer 2
-
$738 AUD
View
A
Retailer 3
-
$830 AUD
View
B+
Retailer 4
-
$979 AUD
View
A
Retailer 5
-
$984 AUD
View
A
Retailer 6
-
$1,071 AUD
View
A
Retailer 7
-
$1,077 AUD
View
A
Retailer 8
-
$1,499 AUD
View
B+
Retailer 9
-
$2,426 AUD
View
Most Expensive
B
Rare Carat
KI8064448KF653 · Nov 1
$2,867 AUD
$1,970 USD
View
9 more retailers have this diamond
Prices start from $669 AUDSave up to $2,198 AUD

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
$669 AUD