Cushion|Lab Grown|IGI

3.55ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG688511564

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG688511564

Diamond specifications and retailer prices

From €504 EUR

HK$4,400 HKD

As of October 31, 2026

Save €1,283 EUR (72%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €1,787 EUR at MOH London · As of October 29, 2026

View at MOH London

About this 3.55ct lab-grown cushion diamond

This 3.55ct 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 LG688511564 or 688511564. Listed at 13 retailers as of October 29, 2026, with prices from €504 to €1,787, a €1,283 spread on the same certified stone. MOH London lists it at €1,787. 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

3.55

Carat

Color

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.1°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG688511564

Dimensions8.98 × 8.81 × 5.86 mm

L/W Ratio1.02

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG688511564

Side View

Caratlytics Score

How it works →

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: Oct 31

Current: €1,787 EUR|Low: €504 EUR|High: €5,093 EUR|Avg: €1,659 EUR

MOH London

Retailer 2

Retailer 3

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Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

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Retailer 16

October 31, 2026

Retailer 14€504 EUR

Retailer 10€508 EUR

Retailer 11€586 EUR

Retailer 2€719 EUR

Retailer 4€720 EUR

Retailer 13€748 EUR

Retailer 9€749 EUR

Retailer 12€958 EUR

Retailer 16€988 EUR

Retailer 15€1,087 EUR

Retailer 5€1,494 EUR

Retailer 3€1,702 EUR

MOH London€1,787 EUR

Retailer 8€3,070 EUR

Retailer 6€3,717 EUR

Retailer 7€5,093 EUR

5 data points across 16 retailers

13 retailers€504 EUR to €1,787 EUR

Cheapest Retailer

€504 EUR

HK$4,400 HKD

Retailer 2

€508 EUR

£447 GBP

View

Retailer 3

€586 EUR

$655 USD

View

Retailer 4

€719 EUR

View

B+

Retailer 5

€720 EUR

$804 USD

View

Retailer 6

€748 EUR

$836 USD

View

Retailer 7

€749 EUR

£658 GBP

View

Retailer 8

€958 EUR

A$1,646 AUD

View

Retailer 9

€988 EUR

ZAR 17,827 ZAR

View

Retailer 10

€1,087 EUR

$1,214 USD

View

B+

Retailer 11

€1,494 EUR

$1,669 USD

View

B+

Retailer 12

€1,702 EUR

$1,902 USD

View

Most Expensive

B+

MOH London

LG688511564 · Oct 29

€1,787 EUR

£1,572 GBP

View

12 more retailers have this diamond

Prices start from €504 EURSave up to €1,283 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.

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3.55ct Cushion

€504 EUR