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Cushion|Lab Grown|IGI

1.72ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG487193459

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

Certificate IGI LG487193459

Diamond specifications and retailer prices

From €212 EUR
$237 USD
As of October 30, 2026
Save €1,605 EUR (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,817 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.72ct lab-grown cushion diamond

This 1.72ct 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 top-tier cut grade and certified by IGI LG487193459 or 487193459. Listed at 13 retailers as of October 30, 2026, with prices from €212 to €1,817, a €1,605 spread on the same certified stone. Do Amore Diamonds lists it at €1,817. 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

1.72
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487193459
Dimensions7.05 × 6.79 × 4.62 mm
L/W Ratio1.04
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
7.05 mm6.79 mm1.72 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487193459
Side View
Table 60.5%Crown 36.2°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 68.0%

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: Oct 30
Current: €1,038 EUR|Low: €212 EUR|High: €2,023 EUR|Avg: €692 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9€212 EUR
Retailer 7€235 EUR
Retailer 2€315 EUR
Retailer 4€414 EUR
Retailer 3€485 EUR
Retailer 10€537 EUR
Retailer 8€844 EUR
Retailer 6€917 EUR
Retailer 1€1,038 EUR
Retailer 5€1,280 EUR

42 data points across 10 retailers

13 retailers€212 EUR to €1,817 EUR

A
Cheapest Retailer
-
€212 EUR
$237 USD
Final sale: no returns
Retailer 2
-
€235 EUR
$262 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€315 EUR
$352 USD
View
A
Retailer 4
-
€412 EUR
$460 USD
View
A
Retailer 5
-
€414 EUR
View
A
Retailer 6
-
€485 EUR
£426 GBP
View
A
Retailer 7
-
€537 EUR
$600 USD
View
B+
Retailer 8
-
€844 EUR
$943 USD
View
Retailer 9
-
€917 EUR
$1,025 USD
View
Price last confirmed 11 days ago
B
Retailer 10
-
€936 EUR
$1,045 USD
View
B
Retailer 11
-
€1,038 EUR
£913 GBP
View
B
Retailer 12
-
€1,280 EUR
$1,430 USD
View
Most Expensive
B
Do Amore Diamonds
27-BD308F07B · Oct 31
€1,817 EUR
$2,030 USD
View
12 more retailers have this diamond
Prices start from €212 EURSave up to €1,605 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
1.72ct Cushion
€212 EUR