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Cushion|Lab Grown|IGI

1.17ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG833637806

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG833637806

Diamond specifications and retailer prices

From £455 GBP
$610 USD
As of October 25, 2026
Save £2,149 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,605 GBP at Do Amore Diamonds · As of October 26, 2026
View at Do Amore Diamonds

About this 1.17ct lab-grown cushion diamond

This 1.17ct 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 LG833637806 or 833637806. Listed at 20 retailers as of October 25, 2026, with prices from £455 to £2,605, a £2,149 spread on the same certified stone. Do Amore Diamonds lists it at £2,605. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833637806
Dimensions6.57 × 6.41 × 4.07 mm
L/W Ratio1.02
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
6.57 mm6.41 mm1.17 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833637806
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.5%

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 25
Current: £2,605 GBP|Low: £455 GBP|High: £2,605 GBP|Avg: £1,203 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 26, 2026
Retailer 3£455 GBP
Retailer 9£480 GBP
Retailer 16£530 GBP
Retailer 4£625 GBP
Retailer 11£678 GBP
Retailer 15£722 GBP
Retailer 2£764 GBP
Retailer 13£793 GBP
Retailer 8£1,222 GBP
Retailer 5£1,302 GBP
Retailer 7£1,491 GBP
Retailer 10£1,603 GBP
Retailer 6£1,690 GBP
Retailer 12£1,946 GBP
Retailer 14£2,008 GBP
Do Amore Diamonds£2,605 GBP

31 data points across 16 retailers

20 retailers£455 GBP to £2,605 GBP

A
Cheapest Retailer
-
£455 GBP
$610 USD
A
Retailer 2
-
£469 GBP
$628 USD
View
A
Retailer 3
-
£480 GBP
View
A
Retailer 4
-
£530 GBP
$710 USD
View
A
Retailer 5
-
£625 GBP
$838 USD
View
A
Retailer 6
-
£678 GBP
€865 EUR
View
Retailer 7
-
£713 GBP
$956 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£722 GBP
$968 USD
View
A
Retailer 9
-
£764 GBP
View
Retailer 10
-
£793 GBP
ZAR 17,166 ZAR
View
Price last confirmed 8 days ago
Retailer 11
-
£1,034 GBP
$1,385 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
£1,222 GBP
$1,637 USD
View
B
Retailer 13
-
£1,302 GBP
CA$2,423 CAD
View
B
Retailer 14
-
£1,491 GBP
$1,998 USD
View
B+
Retailer 15
-
£1,603 GBP
$2,148 USD
View
Retailer 16
-
£1,690 GBP
$2,264 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
£1,806 GBP
$2,420 USD
View
B
Retailer 18
-
£1,946 GBP
View
B
Retailer 19
-
£2,008 GBP
$2,690 USD
View
Most Expensive
B
Do Amore Diamonds
20-E100003 · Oct 26
£2,605 GBP
$3,490 USD
View
19 more retailers have this diamond
Prices start from £455 GBPSave up to £2,149 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
1.17ct Cushion
£455 GBP