Cushion|Lab Grown|IGI

1.27ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663202

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663202

Diamond specifications and retailer prices

From £364 GBP
As of November 1, 2026
Save £2,099 GBP (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,463 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG846663202 or 846663202. Listed at 8 retailers as of October 31, 2026, with prices from £364 to £2,463, a £2,099 spread on the same certified stone. Brilliant Earth lists it at £2,463. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663202
Dimensions8.06 × 5.31 × 3.70 mm
L/W Ratio1.52
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
8.06 mm5.31 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663202
Side View
Table 56.0%Crown 35°Girdle: STK-THKPavilion 32.8°Culet: NoneDepth 69.7%

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: Nov 1
Current: £2,463 GBP|Low: £364 GBP|High: £2,463 GBP|Avg: £959 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£364 GBP
Retailer 6£541 GBP
Retailer 2£562 GBP
Retailer 5£681 GBP
Retailer 4£715 GBP
Retailer 7£1,497 GBP
Retailer 8£1,511 GBP
Brilliant Earth£2,463 GBP

8 data points across 8 retailers

8 retailers£364 GBP to £2,463 GBP

A
Cheapest Retailer
-
£364 GBP
A
Retailer 2
-
£541 GBP
$725 USD
View
A
Retailer 3
-
£562 GBP
$753 USD
View
A
Retailer 4
-
£681 GBP
$913 USD
View
A
Retailer 5
-
£715 GBP
€913 EUR
View
B+
Retailer 6
-
£1,497 GBP
$2,006 USD
View
B
Retailer 7
-
£1,511 GBP
View
Most Expensive
B
Brilliant Earth
22305681A · Oct 31
£2,463 GBP
$3,300 USD
View
7 more retailers have this diamond
Prices start from £364 GBPSave up to £2,099 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
£364 GBP