Cushion|Lab Grown|IGI

5.37ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG800684545

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800684545

Diamond specifications and retailer prices

From £4,853 GBP
$6,502 USD
As of October 30, 2026
Save £24,515 GBP (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £29,368 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.37ct lab-grown cushion diamond

This 5.37ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800684545 or 800684545. Listed at 10 retailers as of October 30, 2026, with prices from £4,853 to £29,368, a £24,515 spread on the same certified stone. Do Amore Diamonds lists it at £29,368. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.37
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800684545
Dimensions11.75 × 9.35 × 6.15 mm
L/W Ratio1.26
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
11.75 mm9.35 mm5.37 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800684545
Side View
Table 57.0%Crown 33.5°Girdle: THK-VTKPavilion 34.9°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A+
Exceptional
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: £29,368 GBP|Low: £4,853 GBP|High: £37,391 GBP|Avg: £12,662 GBP|-21.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4£4,853 GBP
Retailer 7£5,374 GBP
Retailer 6£6,257 GBP
Retailer 9£6,372 GBP
Retailer 11£7,081 GBP
Retailer 10£7,736 GBP
Retailer 2£10,565 GBP
Retailer 8£11,895 GBP
Retailer 5£12,613 GBP
Retailer 3£18,424 GBP
Do Amore Diamonds£29,368 GBP

29 data points across 11 retailers

10 retailers£4,853 GBP to £29,368 GBP

A+
Cheapest Retailer
-
£4,853 GBP
$6,502 USD
A
Retailer 2
-
£5,374 GBP
$7,200 USD
View
A
Retailer 3
-
£6,257 GBP
$8,384 USD
View
A
Retailer 4
-
£6,372 GBP
$8,538 USD
View
A
Retailer 5
-
£7,081 GBP
$9,488 USD
View
Final sale: no returns
Retailer 6
-
£7,736 GBP
$10,365 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
£10,565 GBP
€13,482 EUR
View
A
Retailer 8
-
£11,895 GBP
View
B+
Retailer 9
-
£12,613 GBP
$16,900 USD
View
Most Expensive
B
Do Amore Diamonds
27-1CBFC8800 · Oct 31
£29,368 GBP
$39,350 USD
View
9 more retailers have this diamond
Prices start from £4,853 GBPSave up to £24,515 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+
5.37ct Cushion
£4,853 GBP