Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG840608739

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

Certificate IGI LG840608739

Diamond specifications and retailer prices

From £317 GBP
$422 USD
As of October 28, 2026
Save £1,560 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,877 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG840608739 or 840608739. Listed at 11 retailers as of October 28, 2026, with prices from £317 to £1,877, a £1,560 spread on the same certified stone. Do Amore Diamonds lists it at £1,877. 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 angle36.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840608739
Dimensions6.95 × 6.85 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.95 mm6.85 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840608739
Side View
Table 63.0%Crown 36.6°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 67.7%

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 28
Current: £1,877 GBP|Low: £299 GBP|High: £1,877 GBP|Avg: £769 GBP
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
October 29, 2026
Retailer 10£307 GBP
Retailer 11£317 GBP
Retailer 5£398 GBP
Retailer 12£432 GBP
Retailer 7£458 GBP
Retailer 4£491 GBP
Retailer 3£602 GBP
Retailer 8£674 GBP
Retailer 14£1,078 GBP
Retailer 2£1,101 GBP
Retailer 6£1,138 GBP
Retailer 9£1,165 GBP
Retailer 13£1,621 GBP
Do Amore Diamonds£1,877 GBP

15 data points across 14 retailers

11 retailers£317 GBP to £1,877 GBP

Retailer 1
-
£307 GBP
Price last confirmed 12 days ago
A
Retailer 2
-
£317 GBP
$422 USD
View
Final sale: no returns
A
Retailer 3
-
£432 GBP
$575 USD
View
A
Retailer 4
-
£458 GBP
€581 EUR
View
B+
Retailer 5
-
£674 GBP
A$1,381 AUD
View
Retailer 6
-
£1,078 GBP
$1,435 USD
View
Price last confirmed 28 days ago
B
Retailer 7
-
£1,101 GBP
$1,466 USD
View
Retailer 8
-
£1,138 GBP
$1,516 USD
View
Price last confirmed 27 days ago
B
Retailer 9
-
£1,165 GBP
View
B
Retailer 10
-
£1,621 GBP
$2,159 USD
View
Most Expensive
B
Do Amore Diamonds
27-1840BE48F · Oct 29
£1,877 GBP
$2,500 USD
View
10 more retailers have this diamond
Prices start from £317 GBPSave up to £1,560 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
£317 GBP