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Cushion|Lab Grown|IGI

1.89ct E SI1 Cushion Lab Grown Diamond

GD • E/SI1 • IGI LG692526121

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

Certificate IGI LG692526121

Diamond specifications and retailer prices

From €531 EUR
$593 USD
As of October 30, 2026
Save €2,083 EUR (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €2,614 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.89ct lab-grown cushion diamond

This 1.89ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG692526121 or 692526121. Listed at 7 retailers as of October 30, 2026, with prices from €531 to €2,614, a €2,083 spread on the same certified stone. Do Amore Diamonds lists it at €2,614. 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

1.89
Carat
E
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692526121
Dimensions7.23 × 7.21 × 4.80 mm
L/W Ratio1.00
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
7.23 mm7.21 mm1.89 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692526121
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 66.6%

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: Oct 30
Current: €2,614 EUR|Low: €531 EUR|High: €2,614 EUR|Avg: €1,107 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7€531 EUR
Retailer 5€533 EUR
Retailer 3€559 EUR
Retailer 6€634 EUR
Retailer 8€788 EUR
Retailer 4€1,052 EUR
Retailer 9€1,466 EUR
Retailer 2€1,705 EUR
Do Amore Diamonds€2,614 EUR

30 data points across 9 retailers

7 retailers€531 EUR to €2,614 EUR

B+
Cheapest Retailer
-
€531 EUR
$593 USD
B+
Retailer 2
-
€533 EUR
$595 USD
View
A
Retailer 3
-
€559 EUR
£491 GBP
View
B+
Retailer 4
-
€634 EUR
$708 USD
View
B
Retailer 5
-
€1,052 EUR
$1,175 USD
View
B
Retailer 6
-
€1,705 EUR
£1,500 GBP
View
Most Expensive
C
Do Amore Diamonds
7-1693820 · Oct 31
€2,614 EUR
$2,920 USD
View
6 more retailers have this diamond
Prices start from €531 EURSave up to €2,083 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
1.89ct Cushion
€531 EUR