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Cushion|Lab Grown|IGI

1.65ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG617413566

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG617413566

Diamond specifications and retailer prices

From £265 GBP
$356 USD
As of November 1, 2026
Save £1,844 GBP (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,109 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.65ct lab-grown cushion diamond

This 1.65ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617413566 or 617413566. Listed at 16 retailers as of November 1, 2026, with prices from £265 to £2,109, a £1,844 spread on the same certified stone. Do Amore Diamonds lists it at £2,109. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617413566
Dimensions8.60 × 6.14 × 4.16 mm
L/W Ratio1.40
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
8.60 mm6.14 mm1.65 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617413566
Side View
Table 62.0%Crown 32°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 67.8%

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: £2,109 GBP|Low: £217 GBP|High: £2,109 GBP|Avg: £765 GBP|+22.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 14£265 GBP
Retailer 13£361 GBP
Retailer 12£361 GBP
Retailer 2£380 GBP
Retailer 15£478 GBP
Retailer 8£561 GBP
Retailer 9£585 GBP
Retailer 11£755 GBP
Retailer 7£767 GBP
Retailer 6£1,131 GBP
Retailer 4£1,163 GBP
Retailer 3£1,168 GBP
Retailer 5£1,192 GBP
Retailer 10£1,277 GBP
Do Amore Diamonds£2,109 GBP

35 data points across 15 retailers

16 retailers£265 GBP to £2,109 GBP

A
Cheapest Retailer
-
£265 GBP
$356 USD
Final sale: no returns
A
Retailer 2
-
£361 GBP
$484 USD
View
A
Retailer 3
-
£361 GBP
$485 USD
View
A
Retailer 4
-
£380 GBP
View
A
Retailer 5
-
£478 GBP
$642 USD
View
B+
Retailer 6
-
£561 GBP
ZAR 12,153 ZAR
View
B+
Retailer 7
-
£585 GBP
View
B+
Retailer 8
-
£755 GBP
A$1,558 AUD
View
Retailer 9
-
£767 GBP
A$1,584 AUD
View
Price last confirmed 25 days ago
B
Retailer 10
-
£1,095 GBP
$1,470 USD
View
B
Retailer 11
-
£1,131 GBP
$1,518 USD
View
B
Retailer 12
-
£1,163 GBP
$1,561 USD
View
B
Retailer 13
-
£1,168 GBP
$1,567 USD
View
B
Retailer 14
-
£1,192 GBP
SGD 2,161 SGD
View
B
Retailer 15
-
£1,277 GBP
View
Most Expensive
B
Do Amore Diamonds
27-AD0D65E4A · Nov 2
£2,109 GBP
$2,830 USD
View
15 more retailers have this diamond
Prices start from £265 GBPSave up to £1,844 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
1.65ct Cushion
£265 GBP