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Cushion|Lab Grown|IGI

5.23ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768631542

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG768631542

Diamond specifications and retailer prices

From £4,754 GBP
$6,370 USD
As of October 30, 2026
Save £26,495 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £31,249 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.23ct lab-grown cushion diamond

This 5.23ct 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 LG768631542 or 768631542. Listed at 11 retailers as of October 30, 2026, with prices from £4,754 to £31,249, a £26,495 spread on the same certified stone. Do Amore Diamonds lists it at £31,249. 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

5.23
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631542
Dimensions9.85 × 9.82 × 6.91 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
9.85 mm9.82 mm5.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631542
Side View
Table 58.0%Crown 37.4°Girdle: STK-VTKPavilion 39.5°Culet: NoneDepth 70.4%

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: £31,249 GBP|Low: £4,754 GBP|High: £36,160 GBP|Avg: £12,229 GBP|-13.6%
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£4,754 GBP
Retailer 7£5,209 GBP
Retailer 6£5,953 GBP
Retailer 3£6,828 GBP
Retailer 11£7,780 GBP
Retailer 10£8,211 GBP
Retailer 2£10,184 GBP
Retailer 8£11,690 GBP
Retailer 5£12,285 GBP
Retailer 9£14,621 GBP
Do Amore Diamonds£31,249 GBP

31 data points across 11 retailers

11 retailers£4,754 GBP to £31,249 GBP

A
Cheapest Retailer
-
£4,754 GBP
$6,370 USD
A
Retailer 2
-
£5,209 GBP
$6,980 USD
View
A
Retailer 3
-
£5,953 GBP
$7,977 USD
View
A
Retailer 4
-
£6,828 GBP
$9,149 USD
View
Final sale: no returns
Retailer 5
-
£7,780 GBP
$10,425 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
£8,211 GBP
$11,002 USD
View
A
Retailer 7
-
£10,184 GBP
€12,996 EUR
View
A
Retailer 8
-
£11,690 GBP
View
B+
Retailer 9
-
£12,285 GBP
$16,460 USD
View
B+
Retailer 10
-
£14,621 GBP
$19,590 USD
View
Most Expensive
B
Do Amore Diamonds
27-762281CA9 · Oct 31
£31,249 GBP
$41,870 USD
View
10 more retailers have this diamond
Prices start from £4,754 GBPSave up to £26,495 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
5.23ct Cushion
£4,754 GBP