CaratHunter
Plans
Cushion|Lab Grown|IGI

3.05ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG811666654

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811666654

Diamond specifications and retailer prices

From $556 AUD
$388 USD
As of November 3, 2026
Save $3,382 AUD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,938 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811666654 or 811666654. Listed at 4 retailers as of November 3, 2026, with prices from $556 to $3,938, a $3,382 spread on the same certified stone. Brilliant Earth lists it at $3,938. 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

3.05
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811666654
Dimensions10.24 × 7.49 × 5.03 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.24 mm7.49 mm3.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811666654
Side View
Table 63.0%Crown 35.7°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 67.2%

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 3
Current: $3,938 AUD|Low: $556 AUD|High: $4,181 AUD|Avg: $1,765 AUD|-5.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$556 AUD
Retailer 5$873 AUD
Retailer 7$1,014 AUD
Retailer 2$1,143 AUD
Retailer 6$2,170 AUD
Retailer 4$2,656 AUD
Brilliant Earth$3,938 AUD

40 data points across 7 retailers

4 retailers$556 AUD to $3,938 AUD

A
Cheapest Retailer
-
$556 AUD
$388 USD
Final sale: no returns
A
Retailer 2
-
$1,143 AUD
£628 GBP
View
Retailer 3
-
$2,656 AUD
$1,855 USD
View
Price last confirmed 29 days ago
Most Expensive
B
Brilliant Earth
21247747A · Nov 3
$3,938 AUD
$2,750 USD
View
3 more retailers have this diamond
Prices start from $556 AUDSave up to $3,382 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
3.05ct Cushion
$556 AUD