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Round|Lab Grown|IGI

5.05ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG821641132

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821641132

Diamond specifications and retailer prices

From £5,790 GBP
$7,758 USD
As of November 1, 2026
Save £20,538 GBP (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £26,328 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.05ct lab-grown round diamond

This 5.05ct lab-grown round 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 LG821641132 or 821641132. Listed at 12 retailers as of October 31, 2026, with prices from £5,790 to £26,328, a £20,538 spread on the same certified stone. With Clarity lists it at £26,328. 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

5.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821641132
Dimensions11.12 × 11.08 × 6.68 mm
L/W Ratio1.00
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
11.12 mm11.08 mm5.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821641132
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.2%

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: Nov 1
Current: £7,978 GBP|Low: £5,697 GBP|High: £26,353 GBP|Avg: £13,138 GBP|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
November 1, 2026
Retailer 8£5,790 GBP
Retailer 7£6,418 GBP
Retailer 11£6,790 GBP
Retailer 9£7,060 GBP
Retailer 2£7,689 GBP
Retailer 1£7,978 GBP
Retailer 4£10,843 GBP
Retailer 6£12,842 GBP
Retailer 5£16,240 GBP
Retailer 3£17,827 GBP
Retailer 10£21,656 GBP
With Clarity£26,353 GBP

41 data points across 12 retailers

12 retailers£5,790 GBP to £26,328 GBP

A
Cheapest Retailer
-
£5,790 GBP
$7,758 USD
Retailer 2
-
£6,418 GBP
$8,600 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£6,790 GBP
$9,098 USD
View
A
Retailer 4
-
£7,060 GBP
HK$73,900 HKD
View
A
Retailer 5
-
£7,689 GBP
$10,303 USD
View
A
Retailer 6
-
£7,978 GBP
View
A
Retailer 7
-
£10,843 GBP
€13,836 EUR
View
B+
Retailer 8
-
£12,842 GBP
View
B+
Retailer 9
-
£16,240 GBP
$21,760 USD
View
B+
Retailer 10
-
£17,827 GBP
$23,887 USD
View
B
Retailer 11
-
£21,656 GBP
$29,017 USD
View
Most Expensive
B
With Clarity
821641132 · Oct 31
£26,328 GBP
$35,276 USD
View
11 more retailers have this diamond
Prices start from £5,790 GBPSave up to £20,538 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
5.05ct Round
£5,790 GBP