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Cushion|Lab Grown|IGI

5.29ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846664136

Shape and cutting style on the report: Round cornered rectangular modified brilliant

Certificate IGI LG846664136

Diamond specifications and retailer prices

From £5,769 GBP
$7,730 USD
As of October 31, 2026
Save £22,426 GBP (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £28,195 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.29ct lab-grown cushion diamond

This 5.29ct 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 LG846664136 or 846664136. Listed at 7 retailers as of October 31, 2026, with prices from £5,769 to £28,195, a £22,426 spread on the same certified stone. With Clarity lists it at £28,195. 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

5.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846664136
Dimensions11.26 × 8.04 × 5.27 mm
L/W Ratio1.40
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
11.26 mm8.04 mm5.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846664136
Side View
Table 71.0%Crown 36.3°Girdle: Very ThickPavilion 40.2°Culet: LargeDepth 65.5%

Caratlytics Score

How it works →
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 31
Current: £5,769 GBP|Low: £5,769 GBP|High: £29,502 GBP|Avg: £13,310 GBP|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
With Clarity
October 31, 2026
Retailer 1£5,769 GBP
Retailer 3£6,771 GBP
Retailer 5£6,983 GBP
Retailer 2£8,208 GBP
Retailer 4£11,917 GBP
With Clarity£28,195 GBP

6 data points across 6 retailers

7 retailers£5,769 GBP to £28,195 GBP

A
Cheapest Retailer
-
£5,769 GBP
$7,730 USD
A
Retailer 2
-
£6,771 GBP
$9,073 USD
View
A
Retailer 3
-
£6,983 GBP
$9,357 USD
View
A
Retailer 4
-
£8,208 GBP
$10,998 USD
View
B+
Retailer 5
-
£11,917 GBP
View
B
Retailer 6
-
£21,800 GBP
$29,210 USD
View
Most Expensive
B
With Clarity
846664136 · Oct 31
£28,195 GBP
$37,778 USD
View
6 more retailers have this diamond
Prices start from £5,769 GBPSave up to £22,426 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
5.29ct Cushion
£5,769 GBP