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 $1,172 NZD
As of November 3, 2026
Save $4,471 NZD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,643 NZD at MOH London · As of November 3, 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 November 3, 2026, with prices from $1,172 to $5,643, a $4,471 spread on the same certified stone. MOH London lists it at $5,643. 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 3
Current: $5,643 NZD|Low: $1,108 NZD|High: $5,711 NZD|Avg: $2,650 NZD|+5.8%
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 4, 2026
Retailer 3$1,172 NZD
Retailer 9$1,300 NZD
Retailer 6$1,444 NZD
Retailer 2$1,529 NZD
Retailer 13$1,794 NZD
Retailer 10$1,998 NZD
Retailer 7$2,032 NZD
Retailer 11$2,110 NZD
Retailer 8$2,822 NZD
Retailer 12$3,792 NZD
Retailer 5$4,207 NZD
Retailer 4$4,331 NZD
MOH London$5,643 NZD

44 data points across 13 retailers

14 retailers$1,172 NZD to $5,643 NZD

A
Cheapest Retailer
-
$1,172 NZD
Final sale: no returns
Retailer 2
-
$1,300 NZD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$1,444 NZD
View
A
Retailer 4
-
$1,529 NZD
View
A
Retailer 5
-
$1,794 NZD
View
A
Retailer 6
-
$1,998 NZD
View
A
Retailer 7
-
$2,032 NZD
View
A
Retailer 8
-
$2,110 NZD
View
A
Retailer 9
-
$2,822 NZD
View
B+
Retailer 10
-
$3,792 NZD
View
B+
Retailer 11
-
$4,207 NZD
View
B+
Retailer 12
-
$4,278 NZD
View
B
Retailer 13
-
$4,331 NZD
View
Most Expensive
B
MOH London
LG526268231 · Nov 3
$5,643 NZD
£2,499 GBP
View
13 more retailers have this diamond
Prices start from $1,172 NZDSave up to $4,471 NZD

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
$1,172 NZD