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Cushion|Lab Grown|IGI

1.27ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG833637807

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

Certificate IGI LG833637807

Diamond specifications and retailer prices

From £368 GBP
$493 USD
As of November 1, 2026
Save £2,461 GBP (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,829 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.27ct lab-grown cushion diamond

This 1.27ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833637807 or 833637807. Listed at 16 retailers as of October 31, 2026, with prices from £368 to £2,829, a £2,461 spread on the same certified stone. Do Amore Diamonds lists it at £2,829. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833637807
Dimensions6.64 × 6.45 × 4.05 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeLarge
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
6.64 mm6.45 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833637807
Side View
Table 55.0%Crown 37°Girdle: MED-STKPavilion 40.6°Culet: LargeDepth 62.8%

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: Nov 1
Current: £2,829 GBP|Low: £328 GBP|High: £2,829 GBP|Avg: £919 GBP
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
November 2, 2026
Retailer 7£368 GBP
Retailer 4£412 GBP
Retailer 5£412 GBP
Retailer 9£423 GBP
Retailer 15£456 GBP
Retailer 3£528 GBP
Retailer 8£675 GBP
Retailer 11£675 GBP
Retailer 14£775 GBP
Retailer 2£784 GBP
Retailer 12£1,225 GBP
Retailer 6£1,306 GBP
Retailer 16£1,323 GBP
Retailer 17£1,578 GBP
Retailer 13£1,720 GBP
Retailer 10£2,100 GBP
Do Amore Diamonds£2,829 GBP

18 data points across 17 retailers

16 retailers£368 GBP to £2,829 GBP

A
Cheapest Retailer
-
£368 GBP
$493 USD
A
Retailer 2
-
£412 GBP
$552 USD
View
Final sale: no returns
A
Retailer 3
-
£412 GBP
$552 USD
View
A
Retailer 4
-
£456 GBP
$611 USD
View
A
Retailer 5
-
£528 GBP
$707 USD
View
A
Retailer 6
-
£675 GBP
$905 USD
View
A
Retailer 7
-
£675 GBP
$905 USD
View
A
Retailer 8
-
£697 GBP
$934 USD
View
B+
Retailer 9
-
£784 GBP
View
B+
Retailer 10
-
£1,225 GBP
$1,642 USD
View
B
Retailer 11
-
£1,306 GBP
$1,750 USD
View
B
Retailer 12
-
£1,323 GBP
$1,773 USD
View
B
Retailer 13
-
£1,578 GBP
$2,114 USD
View
B
Retailer 14
-
£1,720 GBP
$2,305 USD
View
B
Retailer 15
-
£2,100 GBP
View
Most Expensive
B
Do Amore Diamonds
20-E100122 · Oct 31
£2,829 GBP
$3,790 USD
View
15 more retailers have this diamond
Prices start from £368 GBPSave up to £2,461 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
1.27ct Cushion
£368 GBP