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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846662345

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846662345

Diamond specifications and retailer prices

From £308 GBP
As of October 30, 2026
Save £1,625 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,933 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662345 or 846662345. Listed at 11 retailers as of October 29, 2026, with prices from £308 to £1,933, a £1,625 spread on the same certified stone. Do Amore Diamonds lists it at £1,933. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662345
Dimensions7.00 × 5.07 × 3.52 mm
L/W Ratio1.38
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
7.00 mm5.07 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662345
Side View
Table 61.0%Crown 34.3°Girdle: THK-VTKPavilion 34.5°Culet: NoneDepth 69.4%

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 30
Current: £1,933 GBP|Low: £307 GBP|High: £2,000 GBP|Avg: £863 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6£308 GBP
Retailer 11£357 GBP
Retailer 2£358 GBP
Retailer 9£382 GBP
Retailer 10£443 GBP
Retailer 7£510 GBP
Retailer 8£602 GBP
Retailer 3£845 GBP
Retailer 5£1,149 GBP
Retailer 12£1,195 GBP
Retailer 4£1,248 GBP
Do Amore Diamonds£1,933 GBP

10 data points across 12 retailers

11 retailers£308 GBP to £1,933 GBP

A
Cheapest Retailer
-
£308 GBP
A
Retailer 2
-
£357 GBP
$479 USD
View
A
Retailer 3
-
£358 GBP
$480 USD
View
A
Retailer 4
-
£382 GBP
$512 USD
View
A
Retailer 5
-
£443 GBP
$593 USD
View
A
Retailer 6
-
£510 GBP
€651 EUR
View
A
Retailer 7
-
£542 GBP
$726 USD
View
B+
Retailer 8
-
£845 GBP
$1,133 USD
View
B
Retailer 9
-
£1,149 GBP
$1,540 USD
View
B
Retailer 10
-
£1,195 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8D863FC1A · Oct 29
£1,933 GBP
$2,590 USD
View
10 more retailers have this diamond
Prices start from £308 GBPSave up to £1,625 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
1.03ct Cushion
£308 GBP