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Cushion|Lab Grown|IGI

1.88ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG752504654

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG752504654

Diamond specifications and retailer prices

From £690 GBP
$925 USD
As of October 30, 2026
Save £4,788 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,478 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.88ct lab-grown cushion diamond

This 1.88ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG752504654 or 752504654. Listed at 18 retailers as of October 30, 2026, with prices from £690 to £5,478, a £4,788 spread on the same certified stone. Do Amore Diamonds lists it at £5,478. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752504654
Dimensions8.93 × 6.44 × 4.31 mm
L/W Ratio1.39
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
8.93 mm6.44 mm1.88 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752504654
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 66.9%

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 30
Current: £5,478 GBP|Low: £493 GBP|High: £5,478 GBP|Avg: £1,881 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
Retailer 12
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Retailer 19
November 1, 2026
Retailer 6£690 GBP
Retailer 17£716 GBP
Retailer 16£862 GBP
Retailer 5£900 GBP
Retailer 7£964 GBP
Retailer 9£965 GBP
Retailer 3£1,152 GBP
Retailer 12£1,216 GBP
Retailer 11£1,221 GBP
Retailer 14£1,452 GBP
Retailer 13£1,966 GBP
Retailer 10£2,184 GBP
Retailer 19£2,238 GBP
Retailer 8£2,361 GBP
Retailer 15£2,586 GBP
Retailer 2£2,679 GBP
Retailer 4£2,804 GBP
Retailer 18£2,815 GBP
Do Amore Diamonds£5,478 GBP

43 data points across 19 retailers

18 retailers£690 GBP to £5,478 GBP

A
Cheapest Retailer
-
£690 GBP
$925 USD
Final sale: no returns
Retailer 2
-
£716 GBP
$959 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£862 GBP
$1,155 USD
View
A
Retailer 4
-
£900 GBP
$1,206 USD
View
A
Retailer 5
-
£964 GBP
$1,292 USD
View
A
Retailer 6
-
£965 GBP
HK$10,100 HKD
View
A
Retailer 7
-
£1,152 GBP
$1,544 USD
View
A
Retailer 8
-
£1,216 GBP
View
B+
Retailer 9
-
£1,452 GBP
ZAR 31,424 ZAR
View
B+
Retailer 10
-
£1,966 GBP
A$4,053 AUD
View
B+
Retailer 11
-
£2,184 GBP
View
B+
Retailer 12
-
£2,238 GBP
$2,999 USD
View
B+
Retailer 13
-
£2,361 GBP
$3,164 USD
View
Retailer 14
-
£2,586 GBP
$3,465 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
£2,679 GBP
View
B
Retailer 16
-
£2,804 GBP
SGD 5,077 SGD
View
B
Retailer 17
-
£2,815 GBP
$3,772 USD
View
Most Expensive
B
Do Amore Diamonds
27-4BB3CB76C · Nov 1
£5,478 GBP
$7,340 USD
View
17 more retailers have this diamond
Prices start from £690 GBPSave up to £4,788 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
1.88ct Cushion
£690 GBP