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Cushion|Lab Grown|IGI

1.37ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG589313953

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG589313953

Diamond specifications and retailer prices

From €655 EUR
$735 USD
As of October 27, 2026
Save €736 EUR (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,391 EUR at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.37ct lab-grown cushion diamond

This 1.37ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG589313953 or 589313953. Listed at 5 retailers as of October 27, 2026, with prices from €655 to €1,391, a €736 spread on the same certified stone. Do Amore Diamonds lists it at €1,391. 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

1.37
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589313953
Dimensions8.16 × 5.61 × 3.75 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.16 mm5.61 mm1.37 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589313953
Side View
Table 62.0%Crown 31.8°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: €1,391 EUR|Low: €171 EUR|High: €1,471 EUR|Avg: €718 EUR|-5.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 6€171 EUR
Retailer 3€325 EUR
Retailer 4€655 EUR
Retailer 5€749 EUR
Retailer 2€926 EUR
Do Amore Diamonds€1,391 EUR

14 data points across 6 retailers

5 retailers€655 EUR to €1,391 EUR

Retailer 1
-
€325 EUR
$364 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
€655 EUR
$735 USD
View
Retailer 3
-
€749 EUR
$840 USD
View
Price last confirmed 7 days ago
Retailer 4
-
€926 EUR
£818 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-EECD35D88 · Oct 27
€1,391 EUR
$1,560 USD
View
4 more retailers have this diamond
Prices start from €655 EURSave up to €736 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+
1.37ct Cushion
€655 EUR