Cushion|Lab Grown|IGI

10.42ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG542212959

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG542212959

Diamond specifications and retailer prices

From €1,240 EUR
£1,091 GBP
As of November 1, 2026
Save €5,229 EUR (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €6,469 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 10.42ct lab-grown cushion diamond

This 10.42ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542212959 or 542212959. Listed at 8 retailers as of October 31, 2026, with prices from €1,240 to €6,469, a €5,229 spread on the same certified stone. Adiamor lists it at €6,469. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

10.42
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542212959
Dimensions12.83 × 12.70 × 8.42 mm
L/W Ratio1.01
Girdle conditionFaceted
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
12.83 mm12.70 mm10.42 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542212959
Side View
Table 64.5%Crown 37.5°Girdle: THN-MEDPavilion 40°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
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: €6,469 EUR|Low: €1,240 EUR|High: €12,303 EUR|Avg: €4,586 EUR
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5€1,240 EUR
Retailer 8€1,544 EUR
Retailer 10€1,638 EUR
Retailer 9€1,865 EUR
Retailer 6€1,959 EUR
Retailer 4€2,196 EUR
Retailer 7€2,231 EUR
Retailer 2€5,151 EUR
Adiamor€6,469 EUR
Retailer 3€9,175 EUR
Retailer 11€12,303 EUR

5 data points across 11 retailers

8 retailers€1,240 EUR to €6,469 EUR

A
Cheapest Retailer
-
€1,240 EUR
£1,091 GBP
A
Retailer 2
-
€1,544 EUR
$1,725 USD
View
A
Retailer 3
-
€1,638 EUR
HK$14,300 HKD
View
A
Retailer 4
-
€1,865 EUR
$2,084 USD
View
A
Retailer 5
-
€1,959 EUR
£1,723 GBP
View
B+
Retailer 6
-
€2,196 EUR
$2,453 USD
View
A
Retailer 7
-
€2,231 EUR
View
Most Expensive
B
Adiamor
D-82828847 · Oct 31
€6,469 EUR
$7,227 USD
View
7 more retailers have this diamond
Prices start from €1,240 EURSave up to €5,229 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
10.42ct Cushion
€1,240 EUR