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Cushion|Lab Grown|IGI

1.02ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG400942192

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG400942192

Diamond specifications and retailer prices

From €692 EUR
$773 USD
As of October 30, 2026
Save €474 EUR (41%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,165 EUR at Loose Grown Diamond · As of October 30, 2026
View at Loose Grown Diamond

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG400942192 or 400942192. Listed at 8 retailers as of October 30, 2026, with prices from €692 to €1,165, a €474 spread on the same certified stone. Loose Grown Diamond lists it at €1,165. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400942192
Dimensions5.79 × 5.73 × 3.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
5.79 mm5.73 mm1.02 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG400942192
Side View
Table 64.5%Crown 33.2°Girdle: STK-VTKPavilion 33.8°Culet: NoneDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,165 EUR|Low: €692 EUR|High: €2,848 EUR|Avg: €1,161 EUR
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8€692 EUR
Retailer 7€716 EUR
Retailer 4€815 EUR
Retailer 6€815 EUR
Retailer 2€993 EUR
Retailer 3€1,138 EUR
Loose Grown Diamond€1,165 EUR
Retailer 5€2,828 EUR

44 data points across 8 retailers

8 retailers€692 EUR to €1,165 EUR

B
Cheapest Retailer
-
€692 EUR
$773 USD
Final sale: no returns
Retailer 2
-
€716 EUR
$800 USD
View
Price last confirmed 15 days ago
B
Retailer 3
-
€815 EUR
$910 USD
View
B
Retailer 4
-
€815 EUR
$910 USD
View
B
Retailer 5
-
€993 EUR
£874 GBP
View
B
Retailer 6
-
€1,138 EUR
£1,001 GBP
View
Most Expensive
C
Loose Grown Diamond
400942192 · Oct 30
€1,165 EUR
$1,302 USD
View
6 more retailers have this diamond
Prices start from €692 EURSave up to €474 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.

B
1.02ct Cushion
€692 EUR