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Cushion|Lab Grown|IGI

1.75ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG689528307

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG689528307

Diamond specifications and retailer prices

From £249 GBP
$332 USD
As of October 25, 2026
Save £870 GBP (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,119 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.75ct lab-grown cushion diamond

This 1.75ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG689528307 or 689528307. Listed at 14 retailers as of October 25, 2026, with prices from £249 to £1,119, a £870 spread on the same certified stone. Brilliant Earth lists it at £1,119. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.75
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689528307
Dimensions6.98 × 6.97 × 4.66 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm6.97 mm1.75 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689528307
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 66.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: £1,119 GBP|Low: £236 GBP|High: £1,171 GBP|Avg: £631 GBP|-2.6%
Brilliant Earth
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£249 GBP
Retailer 11£293 GBP
Retailer 12£345 GBP
Retailer 7£380 GBP
Retailer 6£414 GBP
Retailer 2£477 GBP
Retailer 4£488 GBP
Retailer 14£510 GBP
Retailer 5£841 GBP
Retailer 9£890 GBP
Retailer 3£960 GBP
Retailer 13£992 GBP
Retailer 8£1,001 GBP
Brilliant Earth£1,119 GBP

37 data points across 14 retailers

14 retailers£249 GBP to £1,119 GBP

A
Cheapest Retailer
-
£249 GBP
$332 USD
A
Retailer 2
-
£293 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
£345 GBP
$460 USD
View
A
Retailer 4
-
£380 GBP
€482 EUR
View
A
Retailer 5
-
£414 GBP
$551 USD
View
A
Retailer 6
-
£477 GBP
View
A
Retailer 7
-
£488 GBP
$650 USD
View
B+
Retailer 8
-
£510 GBP
$679 USD
View
B
Retailer 9
-
£841 GBP
$1,119 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£890 GBP
$1,185 USD
View
B
Retailer 11
-
£960 GBP
$1,278 USD
View
B
Retailer 12
-
£992 GBP
$1,321 USD
View
B
Retailer 13
-
£1,001 GBP
View
Most Expensive
B
Brilliant Earth
13456154A · Oct 29
£1,119 GBP
$1,490 USD
View
13 more retailers have this diamond
Prices start from £249 GBPSave up to £870 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
1.75ct Cushion
£249 GBP