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Cushion|Lab Grown|IGI

3.18ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG526268231

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG526268231

Diamond specifications and retailer prices

From $940 AUD
$659 USD
As of November 1, 2026
Save $3,594 AUD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,534 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 3.18ct lab-grown cushion diamond

This 3.18ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG526268231 or 526268231. Listed at 14 retailers as of October 26, 2026, with prices from $940 to $4,534, a $3,594 spread on the same certified stone. MOH London lists it at $4,534. 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

3.18
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle29.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526268231
Dimensions8.74 × 8.54 × 5.61 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
8.74 mm8.54 mm3.18 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG526268231
Side View
Table 63.0%Crown 29.4°Girdle: MED-VTKPavilion 41°Culet: NoneDepth 65.7%

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 1
Current: $4,534 AUD|Low: $889 AUD|High: $4,583 AUD|Avg: $2,123 AUD|+5.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 3$940 AUD
Retailer 9$1,043 AUD
Retailer 2$1,161 AUD
Retailer 8$1,206 AUD
Retailer 13$1,440 AUD
Retailer 10$1,604 AUD
Retailer 6$1,631 AUD
Retailer 11$1,694 AUD
Retailer 7$2,266 AUD
Retailer 12$3,044 AUD
Retailer 5$3,376 AUD
Retailer 4$3,477 AUD
MOH London$4,534 AUD

44 data points across 13 retailers

14 retailers$940 AUD to $4,534 AUD

A
Cheapest Retailer
-
$940 AUD
$659 USD
Final sale: no returns
Retailer 2
-
$1,043 AUD
$731 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,161 AUD
£641 GBP
View
A
Retailer 4
-
$1,206 AUD
$845 USD
View
A
Retailer 5
-
$1,440 AUD
$1,009 USD
View
A
Retailer 6
-
$1,604 AUD
$1,124 USD
View
A
Retailer 7
-
$1,631 AUD
£900 GBP
View
A
Retailer 8
-
$1,694 AUD
$1,187 USD
View
A
Retailer 9
-
$2,266 AUD
ZAR 25,653 ZAR
View
B+
Retailer 10
-
$3,044 AUD
£1,680 GBP
View
B+
Retailer 11
-
$3,376 AUD
$2,366 USD
View
B+
Retailer 12
-
$3,434 AUD
HK$18,800 HKD
View
B
Retailer 13
-
$3,477 AUD
$2,437 USD
View
Most Expensive
B
MOH London
LG526268231 · Oct 26
$4,534 AUD
£2,502 GBP
View
13 more retailers have this diamond
Prices start from $940 AUDSave up to $3,594 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
3.18ct Cushion
$940 AUD