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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG844687845

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

Certificate IGI LG844687845

Diamond specifications and retailer prices

From £215 GBP
$286 USD
As of October 28, 2026
Save £1,452 GBP (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,667 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844687845 or 844687845. Listed at 15 retailers as of October 28, 2026, with prices from £215 to £1,667, a £1,452 spread on the same certified stone. Brilliant Earth lists it at £1,667. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844687845
Dimensions7.28 × 7.28 × 4.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm7.28 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844687845
Side View
Table 62.0%Crown 35°Girdle: VTN-THNPavilion 39.6°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £452 GBP|Low: £215 GBP|High: £1,337 GBP|Avg: £660 GBP|+2.3%
Retailer 1
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
October 29, 2026
Retailer 13£215 GBP
Retailer 8£253 GBP
Retailer 6£321 GBP
Retailer 10£357 GBP
Retailer 7£395 GBP
Retailer 9£408 GBP
Retailer 1£452 GBP
Retailer 11£554 GBP
Retailer 2£590 GBP
Retailer 4£734 GBP
Retailer 5£803 GBP
Retailer 12£867 GBP
Retailer 3£957 GBP
Retailer 14£1,325 GBP

11 data points across 14 retailers

15 retailers£215 GBP to £1,667 GBP

A
Cheapest Retailer
-
£215 GBP
$286 USD
Final sale: no returns
A
Retailer 2
-
£253 GBP
View
B+
Retailer 3
-
£321 GBP
$428 USD
View
A
Retailer 4
-
£357 GBP
$475 USD
View
A
Retailer 5
-
£395 GBP
€501 EUR
View
A
Retailer 6
-
£408 GBP
ZAR 8,784 ZAR
View
A
Retailer 7
-
£452 GBP
View
A
Retailer 8
-
£554 GBP
A$1,135 AUD
View
A
Retailer 9
-
£590 GBP
$786 USD
View
B+
Retailer 10
-
£734 GBP
$978 USD
View
B+
Retailer 11
-
£803 GBP
$1,069 USD
View
B+
Retailer 12
-
£867 GBP
$1,155 USD
View
B+
Retailer 13
-
£957 GBP
View
Retailer 14
-
£1,325 GBP
$1,765 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
22313357A · Oct 29
£1,667 GBP
$2,220 USD
View
14 more retailers have this diamond
Prices start from £215 GBPSave up to £1,452 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
1.73ct Cushion
£215 GBP