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Cushion|Lab Grown|IGI

1.75ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG739503311

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG739503311

Diamond specifications and retailer prices

From £342 GBP
$456 USD
As of October 28, 2026
Save £2,376 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,718 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739503311 or 739503311. Listed at 21 retailers as of October 28, 2026, with prices from £342 to £2,718, a £2,376 spread on the same certified stone. Do Amore Diamonds lists it at £2,718. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739503311
Dimensions8.20 × 6.51 × 4.38 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
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
8.20 mm6.51 mm1.75 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739503311
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 67.3%

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: £2,718 GBP|Low: £342 GBP|High: £2,718 GBP|Avg: £1,119 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
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Retailer 19
October 29, 2026
Retailer 7£342 GBP
Retailer 3£379 GBP
Retailer 15£509 GBP
Retailer 4£538 GBP
Retailer 14£541 GBP
Retailer 19£568 GBP
Retailer 2£691 GBP
Retailer 13£720 GBP
Retailer 18£799 GBP
Retailer 16£983 GBP
Retailer 6£1,225 GBP
Retailer 5£1,387 GBP
Retailer 9£1,392 GBP
Retailer 10£1,459 GBP
Retailer 8£1,485 GBP
Retailer 12£1,547 GBP
Retailer 17£2,080 GBP
Retailer 11£2,501 GBP
Do Amore Diamonds£2,718 GBP

42 data points across 19 retailers

21 retailers£342 GBP to £2,718 GBP

A
Cheapest Retailer
-
£342 GBP
$456 USD
Final sale: no returns
A
Retailer 2
-
£379 GBP
$505 USD
View
A
Retailer 3
-
£509 GBP
HK$5,300 HKD
View
A
Retailer 4
-
£538 GBP
$717 USD
View
A
Retailer 5
-
£541 GBP
$720 USD
View
A
Retailer 6
-
£568 GBP
$757 USD
View
A
Retailer 7
-
£691 GBP
View
A
Retailer 8
-
£720 GBP
ZAR 15,489 ZAR
View
A
Retailer 9
-
£799 GBP
$1,064 USD
View
Retailer 10
-
£983 GBP
A$2,014 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
£1,225 GBP
View
B+
Retailer 12
-
£1,387 GBP
$1,847 USD
View
B+
Retailer 13
-
£1,392 GBP
$1,854 USD
View
B+
Retailer 14
-
£1,459 GBP
$1,942 USD
View
B+
Retailer 15
-
£1,485 GBP
SGD 2,672 SGD
View
B+
Retailer 16
-
£1,547 GBP
View
Retailer 17
-
£2,062 GBP
$2,745 USD
View
Price last confirmed 101 days ago
B+
Retailer 18
-
£2,080 GBP
$2,770 USD
View
B
Retailer 19
-
£2,346 GBP
View
B
Retailer 20
-
£2,501 GBP
$3,330 USD
View
Most Expensive
B
Do Amore Diamonds
27-2A6B3461C · Oct 29
£2,718 GBP
$3,620 USD
View
20 more retailers have this diamond
Prices start from £342 GBPSave up to £2,376 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
£342 GBP