CaratHunter
Plans
Cushion|Lab Grown|IGI

1.62ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG514270396

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG514270396

Diamond specifications and retailer prices

From £258 GBP
$346 USD
As of October 28, 2026
Save £927 GBP (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,185 GBP at Do Amore Diamonds · As of October 29, 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 LG514270396 or 514270396. Listed at 12 retailers as of October 28, 2026, with prices from £258 to £1,185, a £927 spread on the same certified stone. Do Amore Diamonds lists it at £1,185. 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 angle36.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514270396
Dimensions7.31 × 6.54 × 4.43 mm
L/W Ratio1.12
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
7.31 mm6.54 mm1.62 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514270396
Side View
Table 60.0%Crown 36.1°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 67.7%

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 28
Current: £1,185 GBP|Low: £145 GBP|High: £1,192 GBP|Avg: £578 GBP|+6.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7£192 GBP
Retailer 3£258 GBP
Retailer 10£303 GBP
Retailer 5£393 GBP
Retailer 9£435 GBP
Retailer 2£487 GBP
Retailer 4£598 GBP
Retailer 8£791 GBP
Retailer 11£835 GBP
Retailer 6£847 GBP
Do Amore Diamonds£1,185 GBP

38 data points across 11 retailers

12 retailers£258 GBP to £1,185 GBP

Retailer 1
-
£192 GBP
$257 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
£258 GBP
$346 USD
View
A
Retailer 3
-
£303 GBP
$407 USD
View
A
Retailer 4
-
£393 GBP
View
A
Retailer 5
-
£435 GBP
$584 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£441 GBP
$592 USD
View
A
Retailer 7
-
£487 GBP
$653 USD
View
B+
Retailer 8
-
£598 GBP
CA$1,114 CAD
View
B
Retailer 9
-
£791 GBP
$1,061 USD
View
B
Retailer 10
-
£835 GBP
$1,120 USD
View
Retailer 11
-
£847 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
25-207037-012 · Oct 29
£1,185 GBP
$1,590 USD
View
11 more retailers have this diamond
Prices start from £258 GBPSave up to £927 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
£258 GBP