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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

GD • E/VVS1 • IGI LG732514656

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

Certificate IGI LG732514656

Diamond specifications and retailer prices

From £263 GBP
$350 USD
As of October 28, 2026
Save £912 GBP (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,348 GBP at Rare Carat · As of October 19, 2026
View at Rare Carat

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 standard cut grade and certified by IGI LG732514656 or 732514656. Listed at 16 retailers as of October 28, 2026, with a 347% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.73
Carat
E
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732514656
Dimensions6.72 × 6.72 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.72 mm6.72 mm1.73 ctE / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732514656
Side View
Table 62.0%Crown 37.5°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 67.6%

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: £1,348 GBP|Low: £263 GBP|High: £1,374 GBP|Avg: £723 GBP|-1.9%
Rare Carat
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 5£263 GBP
Retailer 6£297 GBP
Retailer 8£327 GBP
Retailer 13£392 GBP
Retailer 15£402 GBP
Retailer 10£492 GBP
Retailer 12£501 GBP
Retailer 2£518 GBP
Retailer 16£606 GBP
Retailer 11£680 GBP
Retailer 4£972 GBP
Retailer 7£1,079 GBP
Retailer 3£1,133 GBP
Retailer 14£1,168 GBP
Retailer 9£1,175 GBP
Rare Carat£1,348 GBP

41 data points across 16 retailers

16 retailers£263 GBP to £1,175 GBP

A
Cheapest Retailer
-
£263 GBP
$350 USD
Final sale: no returns
A
Retailer 2
-
£297 GBP
$396 USD
View
A
Retailer 3
-
£327 GBP
HK$3,400 HKD
View
A
Retailer 4
-
£392 GBP
$522 USD
View
A
Retailer 5
-
£402 GBP
$535 USD
View
B+
Retailer 6
-
£492 GBP
$655 USD
View
A
Retailer 7
-
£501 GBP
ZAR 10,779 ZAR
View
A
Retailer 8
-
£518 GBP
View
B+
Retailer 9
-
£606 GBP
$807 USD
View
B+
Retailer 10
-
£680 GBP
A$1,393 AUD
View
B
Retailer 11
-
£972 GBP
$1,294 USD
View
Retailer 12
-
£1,079 GBP
A$2,211 AUD
View
Price last confirmed 24 days ago
B
Retailer 13
-
£1,133 GBP
View
B
Retailer 14
-
£1,168 GBP
$1,555 USD
View
B
Retailer 15
-
£1,175 GBP
View
Most Expensive
Rare Carat
C303-853 · Oct 19
£1,348 GBP
$1,795 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from £263 GBPSave up to £912 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
£263 GBP