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Round|Lab Grown|IGI

5.09ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG830627967

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830627967

Diamond specifications and retailer prices

From £6,844 GBP
$9,170 USD
As of October 26, 2026
Save £19,692 GBP (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £26,536 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.09ct lab-grown round diamond

This 5.09ct 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 LG830627967 or 830627967. Listed at 12 retailers as of October 26, 2026, with prices from £6,844 to £26,536, a £19,692 spread on the same certified stone. With Clarity lists it at £26,536. 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

5.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830627967
Dimensions11.08 × 11.14 × 6.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
11.08 mm11.14 mm5.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830627967
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.6%

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 26
Current: £8,041 GBP|Low: £6,844 GBP|High: £26,536 GBP|Avg: £13,237 GBP|-0.0%
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 2£6,844 GBP
Retailer 11£7,117 GBP
Retailer 8£7,796 GBP
Retailer 1£8,041 GBP
Retailer 6£10,960 GBP
Retailer 10£11,991 GBP
Retailer 7£12,186 GBP
Retailer 5£13,319 GBP
Retailer 4£16,374 GBP
Retailer 3£17,968 GBP
Retailer 9£21,761 GBP
With Clarity£26,536 GBP

23 data points across 12 retailers

12 retailers£6,844 GBP to £26,536 GBP

A
Cheapest Retailer
-
£6,844 GBP
$9,170 USD
A
Retailer 2
-
£7,117 GBP
HK$74,500 HKD
View
A
Retailer 3
-
£7,796 GBP
$10,446 USD
View
A
Retailer 4
-
£8,041 GBP
View
A
Retailer 5
-
£10,960 GBP
€13,986 EUR
View
B+
Retailer 6
-
£11,991 GBP
$16,067 USD
View
B+
Retailer 7
-
£12,186 GBP
View
B+
Retailer 8
-
£13,319 GBP
ZAR 288,310 ZAR
View
B+
Retailer 9
-
£16,374 GBP
$21,940 USD
View
B+
Retailer 10
-
£17,968 GBP
$24,076 USD
View
B
Retailer 11
-
£21,761 GBP
$29,158 USD
View
Most Expensive
B
With Clarity
830627967 · Oct 31
£26,536 GBP
$35,555 USD
View
11 more retailers have this diamond
Prices start from £6,844 GBPSave up to £19,692 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
5.09ct Round
£6,844 GBP