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Cushion|Lab Grown|IGI

1.65ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG549298888

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG549298888

Diamond specifications and retailer prices

From £191 GBP
$256 USD
As of October 30, 2026
Save £1,382 GBP (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,572 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 LG549298888 or 549298888. Listed at 9 retailers as of October 30, 2026, with prices from £191 to £1,572, a £1,382 spread on the same certified stone. Do Amore Diamonds lists it at £1,572. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549298888
Dimensions7.78 × 6.47 × 4.40 mm
L/W Ratio1.20
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
7.78 mm6.47 mm1.65 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549298888
Side View
Table 59.5%Crown 34.2°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 68.0%

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 30
Current: £1,572 GBP|Low: £131 GBP|High: £1,699 GBP|Avg: £638 GBP|-7.5%
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
November 2, 2026
Retailer 11£191 GBP
Retailer 2£262 GBP
Retailer 8£347 GBP
Retailer 12£372 GBP
Retailer 4£416 GBP
Retailer 5£450 GBP
Retailer 3£465 GBP
Retailer 7£522 GBP
Retailer 13£840 GBP
Retailer 6£897 GBP
Retailer 10£1,095 GBP
Retailer 9£1,133 GBP
Do Amore Diamonds£1,572 GBP

31 data points across 13 retailers

9 retailers£191 GBP to £1,572 GBP

A
Cheapest Retailer
-
£191 GBP
$256 USD
Final sale: no returns
A
Retailer 2
-
£262 GBP
View
B+
Retailer 3
-
£347 GBP
$466 USD
View
A
Retailer 4
-
£522 GBP
A$1,077 AUD
View
B+
Retailer 5
-
£525 GBP
$705 USD
View
Retailer 6
-
£541 GBP
A$1,117 AUD
View
Price last confirmed 36 days ago
B
Retailer 7
-
£897 GBP
View
Retailer 8
-
£1,133 GBP
$1,520 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Do Amore Diamonds
27-5178FC885 · Nov 2
£1,572 GBP
$2,110 USD
View
8 more retailers have this diamond
Prices start from £191 GBPSave up to £1,382 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
£191 GBP