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Cushion|Lab Grown|IGI

1.61ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG551273866

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG551273866

Diamond specifications and retailer prices

From €715 EUR
$802 USD
As of October 27, 2026
Save €863 EUR (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,578 EUR at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG551273866 or 551273866. Listed at 5 retailers as of October 27, 2026, with prices from €715 to €1,578, a €863 spread on the same certified stone. Do Amore Diamonds lists it at €1,578. 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

1.61
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551273866
Dimensions7.65 × 6.30 × 4.28 mm
L/W Ratio1.21
Girdle conditionFaceted
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
7.65 mm6.30 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG551273866
Side View
Table 62.0%Crown 35.4°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 67.9%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: €1,578 EUR|Low: €131 EUR|High: €1,667 EUR|Avg: €919 EUR|-5.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 6€194 EUR
Retailer 3€358 EUR
Retailer 4€715 EUR
Retailer 2€1,051 EUR
Retailer 5€1,569 EUR
Do Amore Diamonds€1,578 EUR

17 data points across 6 retailers

5 retailers€715 EUR to €1,578 EUR

Retailer 1
-
€358 EUR
$402 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
€715 EUR
$802 USD
View
Retailer 3
-
€1,051 EUR
£928 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
€1,569 EUR
$1,760 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-283F6BDEB · Oct 27
€1,578 EUR
$1,770 USD
View
4 more retailers have this diamond
Prices start from €715 EURSave up to €863 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+
1.61ct Cushion
€715 EUR