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Cushion|Lab Grown|IGI

1.89ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG848625175

Shape and cutting style on the report: Square cushion mixed cut

Certificate IGI LG848625175

Diamond specifications and retailer prices

From £623 GBP
$829 USD
As of October 27, 2026
Save £1,305 GBP (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,928 GBP at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 1.89ct lab-grown cushion diamond

This 1.89ct 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 LG848625175 or 848625175. Listed at 6 retailers as of October 27, 2026, with prices from £623 to £1,928, a £1,305 spread on the same certified stone. Taylor and Hart lists it at £1,928. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848625175
Dimensions6.99 × 6.95 × 4.53 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
6.99 mm6.95 mm1.89 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848625175
Side View
Table 54.0%Crown 32.8°Girdle: MED-STKPavilionCulet: NoneDepth 65.2%

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 27
Current: £691 GBP|Low: £623 GBP|High: £1,928 GBP|Avg: £1,060 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
October 28, 2026
Retailer 3£623 GBP
Retailer 1£691 GBP
Retailer 4£887 GBP
Retailer 5£954 GBP
Retailer 2£1,232 GBP
Taylor and Hart£1,928 GBP

3 data points across 6 retailers

6 retailers£623 GBP to £1,928 GBP

A
Cheapest Retailer
-
£623 GBP
$829 USD
Final sale: no returns
A
Retailer 2
-
£691 GBP
$920 USD
View
A
Retailer 3
-
£887 GBP
View
A
Retailer 4
-
£954 GBP
$1,270 USD
View
A
Retailer 5
-
£1,232 GBP
$1,641 USD
View
Most Expensive
B+
Taylor and Hart
2GJ9AYZ · Oct 27
£1,928 GBP
$2,568 USD
View
5 more retailers have this diamond
Prices start from £623 GBPSave up to £1,305 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
1.89ct Cushion
£623 GBP