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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG581326974

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG581326974

Diamond specifications and retailer prices

From €233 EUR
$260 USD
As of November 1, 2026
Save €1,468 EUR (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,701 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581326974 or 581326974. Listed at 10 retailers as of October 31, 2026, with prices from €233 to €1,701, a €1,468 spread on the same certified stone. Do Amore Diamonds lists it at €1,701. 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

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581326974
Dimensions6.42 × 5.41 × 3.69 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.42 mm5.41 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581326974
Side View
Table 62.0%Crown 35.4°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 68.2%

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: €1,701 EUR|Low: €151 EUR|High: €1,701 EUR|Avg: €567 EUR|+21.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3€151 EUR
Retailer 5€220 EUR
Retailer 6€233 EUR
Retailer 10€366 EUR
Retailer 7€381 EUR
Retailer 4€447 EUR
Retailer 11€662 EUR
Retailer 9€807 EUR
Retailer 8€934 EUR
Retailer 2€972 EUR
Do Amore Diamonds€1,701 EUR

37 data points across 11 retailers

10 retailers€233 EUR to €1,701 EUR

Retailer 1
-
€220 EUR
$246 USD
Price last confirmed 7 days ago
A
Retailer 2
-
€233 EUR
$260 USD
View
Retailer 3
-
€366 EUR
£322 GBP
View
Price last confirmed 28 days ago
B+
Retailer 4
-
€381 EUR
$426 USD
View
B+
Retailer 5
-
€447 EUR
£393 GBP
View
B
Retailer 6
-
€662 EUR
$739 USD
View
B
Retailer 7
-
€807 EUR
SGD 1,218 SGD
View
B
Retailer 8
-
€934 EUR
$1,043 USD
View
B
Retailer 9
-
€972 EUR
£855 GBP
View
Most Expensive
B
Do Amore Diamonds
27-654CAEDC8 · Oct 31
€1,701 EUR
$1,900 USD
View
9 more retailers have this diamond
Prices start from €233 EURSave up to €1,468 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
1.01ct Cushion
€233 EUR