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Round|Lab Grown|IGI

5.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG828680393

Shape and cutting style on the report: Round brilliant

Certificate IGI LG828680393

Diamond specifications and retailer prices

From £6,805 GBP
$9,062 USD
As of October 26, 2026
Save £19,580 GBP (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £26,385 GBP at With Clarity · As of October 28, 2026
View at With Clarity

About this 5.03ct lab-grown round diamond

This 5.03ct 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 LG828680393 or 828680393. Listed at 12 retailers as of October 26, 2026, with prices from £6,805 to £26,385, a £19,580 spread on the same certified stone. With Clarity lists it at £26,385. 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

5.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828680393
Dimensions10.99 × 10.92 × 6.78 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
10.99 mm10.92 mm5.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828680393
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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: £7,971 GBP|Low: £6,805 GBP|High: £26,949 GBP|Avg: £14,159 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 29, 2026
Retailer 11£6,805 GBP
Retailer 9£7,074 GBP
Retailer 2£7,684 GBP
Retailer 1£7,971 GBP
Retailer 5£10,898 GBP
Retailer 8£11,923 GBP
Retailer 4£12,871 GBP
Retailer 6£13,196 GBP
Retailer 3£17,866 GBP
Retailer 10£21,737 GBP
Retailer 7£24,901 GBP
With Clarity£26,949 GBP

32 data points across 12 retailers

12 retailers£6,805 GBP to £26,385 GBP

A
Cheapest Retailer
-
£6,805 GBP
$9,062 USD
A
Retailer 2
-
£7,074 GBP
HK$73,600 HKD
View
A
Retailer 3
-
£7,684 GBP
$10,232 USD
View
A
Retailer 4
-
£7,971 GBP
View
A
Retailer 5
-
£10,898 GBP
€13,821 EUR
View
A
Retailer 6
-
£11,923 GBP
$15,878 USD
View
B+
Retailer 7
-
£12,871 GBP
View
B+
Retailer 8
-
£13,196 GBP
ZAR 283,887 ZAR
View
B+
Retailer 9
-
£17,866 GBP
$23,792 USD
View
B
Retailer 10
-
£21,737 GBP
$28,947 USD
View
B+
Retailer 11
-
£24,901 GBP
$33,160 USD
View
Most Expensive
B
With Clarity
828680393 · Oct 28
£26,385 GBP
$35,136 USD
View
11 more retailers have this diamond
Prices start from £6,805 GBPSave up to £19,580 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
5.03ct Round
£6,805 GBP