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Cushion|Lab Grown|IGI

3.05ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • IGI LG485172038

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG485172038

Diamond specifications and retailer prices

From $4,566 AUD
As of November 3, 2026
Save $8,246 AUD (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $12,812 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG485172038 or 485172038. Listed at 6 retailers as of November 3, 2026, with prices from $4,566 to $12,812, a $8,246 spread on the same certified stone. MOH London lists it at $12,812. 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
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485172038
Dimensions9.44 × 8.06 × 5.14 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.44 mm8.06 mm3.05 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG485172038
Side View
Table 60.5%Crown 35.8°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 63.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $12,812 AUD|Low: $4,566 AUD|High: $13,018 AUD|Avg: $7,856 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 6$4,566 AUD
Retailer 5$5,062 AUD
Retailer 8$5,296 AUD
Retailer 7$6,529 AUD
Retailer 3$7,874 AUD
Retailer 4$8,754 AUD
Retailer 2$11,802 AUD
MOH London$12,812 AUD

17 data points across 8 retailers

6 retailers$4,566 AUD to $12,812 AUD

B
Cheapest Retailer
-
$4,566 AUD
B
Retailer 2
-
$5,062 AUD
View
B
Retailer 3
-
$7,874 AUD
View
B
Retailer 4
-
$8,754 AUD
View
B
Retailer 5
-
$11,802 AUD
View
Most Expensive
B
MOH London
LG485172038 · Nov 5
$12,812 AUD
£7,077 GBP
View
5 more retailers have this diamond
Prices start from $4,566 AUDSave up to $8,246 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.

B
3.05ct Cushion
$4,566 AUD