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Cushion|Lab Grown|IGI

5.28ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804664627

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804664627

Diamond specifications and retailer prices

From £4,842 GBP
$6,488 USD
As of October 30, 2026
Save £27,011 GBP (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £31,853 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.28ct lab-grown cushion diamond

This 5.28ct 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 LG804664627 or 804664627. Listed at 10 retailers as of October 30, 2026, with prices from £4,842 to £31,853, a £27,011 spread on the same certified stone. Do Amore Diamonds lists it at £31,853. 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

5.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804664627
Dimensions11.47 × 9.20 × 6.34 mm
L/W Ratio1.25
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
11.47 mm9.20 mm5.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804664627
Side View
Table 59.0%Crown 36.3°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 68.9%

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: £31,853 GBP|Low: £4,842 GBP|High: £36,779 GBP|Avg: £12,567 GBP|-13.4%
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£4,842 GBP
Retailer 7£5,284 GBP
Retailer 6£6,068 GBP
Retailer 11£6,965 GBP
Retailer 10£7,829 GBP
Retailer 9£8,340 GBP
Retailer 2£10,387 GBP
Retailer 8£11,915 GBP
Retailer 5£12,404 GBP
Retailer 3£18,116 GBP
Do Amore Diamonds£31,853 GBP

29 data points across 11 retailers

10 retailers£4,842 GBP to £31,853 GBP

A+
Cheapest Retailer
-
£4,842 GBP
$6,488 USD
A
Retailer 2
-
£5,284 GBP
$7,080 USD
View
A
Retailer 3
-
£6,068 GBP
$8,131 USD
View
A
Retailer 4
-
£6,965 GBP
$9,332 USD
View
Final sale: no returns
Retailer 5
-
£7,829 GBP
$10,490 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£8,340 GBP
$11,175 USD
View
A
Retailer 7
-
£10,387 GBP
€13,255 EUR
View
A
Retailer 8
-
£11,915 GBP
View
B+
Retailer 9
-
£12,404 GBP
$16,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-76303C4FF · Oct 31
£31,853 GBP
$42,680 USD
View
9 more retailers have this diamond
Prices start from £4,842 GBPSave up to £27,011 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+
5.28ct Cushion
£4,842 GBP