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Cushion|Lab Grown|IGI

1.62ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG607322856

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG607322856

Diamond specifications and retailer prices

From £167 GBP
$224 USD
As of November 1, 2026
Save £1,264 GBP (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,431 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown cushion diamond

This 1.62ct 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 LG607322856 or 607322856. Listed at 5 retailers as of November 1, 2026, with prices from £167 to £1,431, a £1,264 spread on the same certified stone. Do Amore Diamonds lists it at £1,431. 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

1.62
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607322856
Dimensions6.84 × 6.77 × 4.48 mm
L/W Ratio1.01
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
6.84 mm6.77 mm1.62 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607322856
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 66.2%

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: £1,431 GBP|Low: £110 GBP|High: £1,453 GBP|Avg: £622 GBP|+3.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2£167 GBP
Retailer 5£321 GBP
Retailer 9£343 GBP
Retailer 10£414 GBP
Retailer 6£527 GBP
Retailer 7£595 GBP
Retailer 3£652 GBP
Retailer 4£828 GBP
Retailer 8£954 GBP
Do Amore Diamonds£1,431 GBP

14 data points across 10 retailers

5 retailers£167 GBP to £1,431 GBP

A
Cheapest Retailer
-
£167 GBP
$224 USD
Final sale: no returns
B+
Retailer 2
-
£321 GBP
$431 USD
View
B+
Retailer 3
-
£652 GBP
$875 USD
View
Retailer 4
-
£828 GBP
View
Price last confirmed 19 days ago
Most Expensive
B
Do Amore Diamonds
27-C35AEE821 · Nov 2
£1,431 GBP
$1,920 USD
View
4 more retailers have this diamond
Prices start from £167 GBPSave up to £1,264 GBP

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
1.62ct Cushion
£167 GBP