CaratHunter
Plans
Cushion|Lab Grown|IGI

1.01ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG665403351

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

Certificate IGI LG665403351

Diamond specifications and retailer prices

From £185 GBP
$248 USD
As of November 1, 2026
Save £985 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,170 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665403351 or 665403351. Listed at 11 retailers as of November 1, 2026, with prices from £185 to £1,170, a £985 spread on the same certified stone. Do Amore Diamonds lists it at £1,170. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665403351
Dimensions5.75 × 5.62 × 3.81 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.75 mm5.62 mm1.01 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665403351
Side View
Table 62.0%Crown 36.2°Girdle: MED-THKPavilion 36.6°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: £301 GBP|Low: £185 GBP|High: £789 GBP|Avg: £367 GBP|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 8£185 GBP
Retailer 6£273 GBP
Retailer 3£288 GBP
Retailer 1£301 GBP
Retailer 7£332 GBP
Retailer 5£361 GBP
Retailer 2£407 GBP
Retailer 4£780 GBP

44 data points across 8 retailers

11 retailers£185 GBP to £1,170 GBP

A
Cheapest Retailer
-
£185 GBP
$248 USD
A
Retailer 2
-
£273 GBP
$366 USD
View
A
Retailer 3
-
£288 GBP
ZAR 6,242 ZAR
View
A
Retailer 4
-
£301 GBP
View
B+
Retailer 5
-
£332 GBP
$445 USD
View
B+
Retailer 6
-
£354 GBP
$475 USD
View
B+
Retailer 7
-
£361 GBP
$485 USD
View
B+
Retailer 8
-
£407 GBP
A$840 AUD
View
B
Retailer 9
-
£665 GBP
$893 USD
View
B
Retailer 10
-
£780 GBP
View
Most Expensive
B
Do Amore Diamonds
27-37477C5A4 · Nov 2
£1,170 GBP
$1,570 USD
View
10 more retailers have this diamond
Prices start from £185 GBPSave up to £985 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
1.01ct Cushion
£185 GBP