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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 €588 EUR
$659 USD
As of November 1, 2026
Save €2,242 EUR (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,830 EUR 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 1, 2026, with prices from €588 to €2,830, a €2,242 spread on the same certified stone. MOH London lists it at €2,830. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,830 EUR|Low: €555 EUR|High: €2,864 EUR|Avg: €1,328 EUR|+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 3, 2026
Retailer 3€588 EUR
Retailer 9€652 EUR
Retailer 7€725 EUR
Retailer 8€753 EUR
Retailer 13€900 EUR
Retailer 10€1,002 EUR
Retailer 2€1,019 EUR
Retailer 11€1,058 EUR
Retailer 6€1,415 EUR
Retailer 12€1,902 EUR
Retailer 5€2,110 EUR
Retailer 4€2,173 EUR
MOH London€2,830 EUR

44 data points across 13 retailers

14 retailers€588 EUR to €2,830 EUR

A
Cheapest Retailer
-
€588 EUR
$659 USD
Final sale: no returns
Retailer 2
-
€652 EUR
$731 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
€725 EUR
£641 GBP
View
A
Retailer 4
-
€753 EUR
$845 USD
View
A
Retailer 5
-
€900 EUR
$1,009 USD
View
A
Retailer 6
-
€1,002 EUR
$1,124 USD
View
A
Retailer 7
-
€1,019 EUR
£900 GBP
View
A
Retailer 8
-
€1,058 EUR
$1,187 USD
View
A
Retailer 9
-
€1,415 EUR
ZAR 25,642 ZAR
View
B+
Retailer 10
-
€1,902 EUR
£1,680 GBP
View
B+
Retailer 11
-
€2,110 EUR
$2,366 USD
View
B+
Retailer 12
-
€2,145 EUR
HK$18,800 HKD
View
B
Retailer 13
-
€2,173 EUR
$2,437 USD
View
Most Expensive
B
MOH London
LG526268231 · Nov 3
€2,830 EUR
£2,499 GBP
View
13 more retailers have this diamond
Prices start from €588 EURSave up to €2,242 EUR

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
€588 EUR