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Cushion|Lab Grown|IGI

1.61ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG731589201

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG731589201

Diamond specifications and retailer prices

From £303 GBP
$406 USD
As of November 1, 2026
Save £2,097 GBP (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,400 GBP at Do Amore Diamonds · As of November 2, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG731589201 or 731589201. Listed at 9 retailers as of November 1, 2026, with prices from £303 to £2,400, a £2,097 spread on the same certified stone. Do Amore Diamonds lists it at £2,400. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731589201
Dimensions6.63 × 6.62 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.63 mm6.62 mm1.61 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731589201
Side View
Table 62.0%Crown 34.5°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 64.7%

Caratlytics Score

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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: £2,400 GBP|Low: £137 GBP|High: £2,400 GBP|Avg: £787 GBP
Do Amore Diamonds
Retailer 2
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November 1, 2026
Retailer 15£303 GBP
Retailer 4£352 GBP
Retailer 18£367 GBP
Retailer 6£406 GBP
Retailer 11£451 GBP
Retailer 16£451 GBP
Retailer 8£467 GBP
Retailer 14£536 GBP
Retailer 5£545 GBP
Retailer 7£693 GBP
Retailer 9£729 GBP
Retailer 10£840 GBP
Retailer 12£860 GBP
Retailer 3£864 GBP
Retailer 13£1,133 GBP
Retailer 17£1,431 GBP
Retailer 2£1,443 GBP
Do Amore Diamonds£2,400 GBP

21 data points across 18 retailers

9 retailers£303 GBP to £2,400 GBP

A
Cheapest Retailer
-
£303 GBP
$406 USD
Final sale: no returns
A
Retailer 2
-
£451 GBP
$605 USD
View
A
Retailer 3
-
£451 GBP
$605 USD
View
A
Retailer 4
-
£536 GBP
$719 USD
View
B+
Retailer 5
-
£860 GBP
A$1,776 AUD
View
B
Retailer 6
-
£1,133 GBP
$1,520 USD
View
B
Retailer 7
-
£1,443 GBP
View
B
Retailer 8
-
£2,236 GBP
$3,000 USD
View
Most Expensive
B
Do Amore Diamonds
27-26A957122 · Nov 2
£2,400 GBP
$3,220 USD
View
8 more retailers have this diamond
Prices start from £303 GBPSave up to £2,097 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
1.61ct Cushion
£303 GBP