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Cushion|Lab Grown|IGI

5.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768630634

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768630634

Diamond specifications and retailer prices

From £5,649 GBP
$7,569 USD
As of October 29, 2026
Save £16,714 GBP (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £22,363 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.1ct lab-grown cushion diamond

This 5.1ct 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 LG768630634 or 768630634. Listed at 14 retailers as of October 29, 2026, with prices from £5,649 to £22,363, a £16,714 spread on the same certified stone. Taylor and Hart lists it at £22,363. 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

5.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630634
Dimensions11.23 × 9.38 × 6.14 mm
L/W Ratio1.20
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
11.23 mm9.38 mm5.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630634
Side View
Table 59.0%Crown 37.3°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 65.5%

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 29
Current: £11,979 GBP|Low: £5,649 GBP|High: £22,944 GBP|Avg: £12,860 GBP|-43.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 12£5,649 GBP
Retailer 3£5,745 GBP
Retailer 11£7,338 GBP
Retailer 7£7,509 GBP
Retailer 5£8,449 GBP
Retailer 8£11,540 GBP
Retailer 4£11,589 GBP
Retailer 1£11,979 GBP
Retailer 9£13,052 GBP
Retailer 6£13,917 GBP
Retailer 10£17,413 GBP
Retailer 2£19,260 GBP
Taylor and Hart£22,363 GBP

38 data points across 13 retailers

14 retailers£5,649 GBP to £22,363 GBP

A
Cheapest Retailer
-
£5,649 GBP
$7,569 USD
A
Retailer 2
-
£5,745 GBP
$7,697 USD
View
A
Retailer 3
-
£7,338 GBP
$9,832 USD
View
A
Retailer 4
-
£7,509 GBP
HK$78,600 HKD
View
Retailer 5
-
£8,207 GBP
$10,996 USD
View
Price last confirmed 60 days ago
A
Retailer 6
-
£8,449 GBP
View
A
Retailer 7
-
£11,540 GBP
€14,726 EUR
View
A
Retailer 8
-
£11,589 GBP
$15,528 USD
View
B+
Retailer 9
-
£11,979 GBP
$16,050 USD
View
B+
Retailer 10
-
£13,052 GBP
View
B+
Retailer 11
-
£13,917 GBP
ZAR 301,253 ZAR
View
B+
Retailer 12
-
£17,413 GBP
$23,331 USD
View
B
Retailer 13
-
£19,260 GBP
$25,806 USD
View
Most Expensive
B
Taylor and Hart
SR37G4E · Oct 30
£22,363 GBP
$29,964 USD
View
13 more retailers have this diamond
Prices start from £5,649 GBPSave up to £16,714 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
5.10ct Cushion
£5,649 GBP