Cushion|Lab Grown|IGI

5.04ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG762545278

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG762545278

Diamond specifications and retailer prices

From £4,917 GBP
$6,534 USD
As of October 29, 2026
Save £15,699 GBP (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £20,616 GBP at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 5.04ct lab-grown cushion diamond

This 5.04ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545278 or 762545278. Listed at 16 retailers as of October 28, 2026, with prices from £4,917 to £20,616, a £15,699 spread on the same certified stone. Taylor and Hart lists it at £20,616. 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

5.04
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545278
Dimensions11.59 × 9.19 × 5.95 mm
L/W Ratio1.26
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
11.59 mm9.19 mm5.04 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545278
Side View
Table 63.0%Crown 33.7°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 64.7%

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 29
Current: £11,909 GBP|Low: £4,917 GBP|High: £21,463 GBP|Avg: £11,059 GBP|-4.9%
Retailer 1
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
Taylor and Hart
October 29, 2026
Retailer 4£4,917 GBP
Retailer 2£5,517 GBP
Retailer 11£6,021 GBP
Retailer 5£6,589 GBP
Retailer 7£7,543 GBP
Retailer 14£9,426 GBP
Retailer 8£10,039 GBP
Retailer 3£10,292 GBP
Retailer 1£11,909 GBP
Retailer 10£12,209 GBP
Retailer 12£12,756 GBP
Retailer 9£14,938 GBP
Retailer 6£16,522 GBP
Retailer 13£17,294 GBP
Taylor and Hart£20,616 GBP

41 data points across 15 retailers

16 retailers£4,917 GBP to £20,616 GBP

A
Cheapest Retailer
-
£4,917 GBP
$6,534 USD
A
Retailer 2
-
£5,517 GBP
$7,331 USD
View
A
Retailer 3
-
£6,021 GBP
$8,000 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
£6,589 GBP
HK$68,400 HKD
View
A
Retailer 5
-
£7,543 GBP
View
A
Retailer 6
-
£7,739 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
£9,426 GBP
$12,525 USD
View
A
Retailer 8
-
£10,039 GBP
€12,704 EUR
View
A
Retailer 9
-
£10,292 GBP
$13,676 USD
View
B+
Retailer 10
-
£11,909 GBP
View
B+
Retailer 11
-
£12,209 GBP
ZAR 262,073 ZAR
View
B+
Retailer 12
-
£12,756 GBP
$16,950 USD
View
B+
Retailer 13
-
£14,938 GBP
$19,849 USD
View
B+
Retailer 14
-
£16,522 GBP
$21,954 USD
View
B+
Retailer 15
-
£17,294 GBP
A$35,354 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Taylor and Hart
G1SKO1O · Oct 28
£20,616 GBP
$27,394 USD
View
15 more retailers have this diamond
Prices start from £4,917 GBPSave up to £15,699 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
5.04ct Cushion
£4,917 GBP