Cushion|Lab Grown|IGI

3.05ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG797666375

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797666375

Diamond specifications and retailer prices

From $1,131 AUD
£622 GBP
As of November 3, 2026
Save $3,577 AUD (76%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,708 AUD at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

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 LG797666375 or 797666375. Listed at 4 retailers as of November 2, 2026, with prices from $1,131 to $4,708, a $3,577 spread on the same certified stone. Helzberg Diamonds lists it at $4,708. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797666375
Dimensions10.13 × 7.57 × 5.04 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.13 mm7.57 mm3.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797666375
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 66.6%

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: $4,708 AUD|Low: $1,004 AUD|High: $4,708 AUD|Avg: $2,090 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 7$1,004 AUD
Retailer 5$1,061 AUD
Retailer 2$1,131 AUD
Retailer 9$1,315 AUD
Retailer 6$1,373 AUD
Retailer 8$2,151 AUD
Retailer 4$2,628 AUD
Retailer 3$3,852 AUD
Helzberg Diamonds$4,708 AUD

39 data points across 9 retailers

4 retailers$1,131 AUD to $4,708 AUD

A
Cheapest Retailer
-
$1,131 AUD
£622 GBP
Retailer 2
-
$2,628 AUD
$1,835 USD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$3,852 AUD
$2,690 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZNPNMMMJNL · Nov 2
$4,708 AUD
$3,288 USD
View
3 more retailers have this diamond
Prices start from $1,131 AUDSave up to $3,577 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
$1,131 AUD