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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG793611009

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

Certificate IGI LG793611009

Diamond specifications and retailer prices

From €166 EUR
$185 USD
As of November 1, 2026
Save €804 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €970 EUR at Reve Diamonds · As of November 1, 2026
View at Reve 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 LG793611009 or 793611009. Listed at 14 retailers as of November 1, 2026, with prices from €166 to €970, a €804 spread on the same certified stone. Reve Diamonds lists it at €970. 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 angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793611009
Dimensions5.90 × 5.78 × 3.88 mm
L/W Ratio1.02
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
5.90 mm5.78 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793611009
Side View
Table 62.0%Crown 34.5°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
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: Nov 1
Current: €166 EUR|Low: €158 EUR|High: €975 EUR|Avg: €446 EUR|+5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 1, 2026
Retailer 1€166 EUR
Retailer 3€185 EUR
Retailer 10€292 EUR
Retailer 7€312 EUR
Retailer 6€326 EUR
Retailer 11€329 EUR
Retailer 12€349 EUR
Retailer 9€467 EUR
Retailer 8€492 EUR
Retailer 4€537 EUR
Retailer 2€639 EUR
Retailer 5€858 EUR
Reve Diamonds€970 EUR

40 data points across 13 retailers

14 retailers€166 EUR to €970 EUR

A
Cheapest Retailer
-
€166 EUR
$185 USD
Final sale: no returns
Retailer 2
-
€185 EUR
$207 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€292 EUR
$326 USD
View
A
Retailer 4
-
€312 EUR
View
A
Retailer 5
-
€326 EUR
£286 GBP
View
A
Retailer 6
-
€329 EUR
$368 USD
View
A
Retailer 7
-
€349 EUR
£307 GBP
View
B+
Retailer 8
-
€467 EUR
$522 USD
View
B
Retailer 9
-
€492 EUR
$550 USD
View
Retailer 10
-
€518 EUR
$579 USD
View
Price last confirmed 111 days ago
B+
Retailer 11
-
€537 EUR
$600 USD
View
B
Retailer 12
-
€639 EUR
$714 USD
View
B
Retailer 13
-
€858 EUR
£755 GBP
View
Most Expensive
B
Reve Diamonds
EFC1AB465 · Nov 1
€970 EUR
$1,083 USD
View
13 more retailers have this diamond
Prices start from €166 EURSave up to €804 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
€166 EUR