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Round|Lab Grown|IGI

5.05ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG784643010

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784643010

Diamond specifications and retailer prices

From £3,870 GBP
$5,186 USD
As of October 29, 2026
Save £22,759 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £26,629 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG784643010 or 784643010. Listed at 16 retailers as of October 29, 2026, with prices from £3,870 to £26,629, a £22,759 spread on the same certified stone. Do Amore Diamonds lists it at £26,629. 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 angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784643010
Dimensions11.05 × 11.02 × 6.77 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
11.05 mm11.02 mm5.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784643010
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A+
Exceptional
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: £26,629 GBP|Low: £3,870 GBP|High: £29,988 GBP|Avg: £9,406 GBP|-11.2%
Do Amore Diamonds
Retailer 2
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Retailer 17
October 31, 2026
Retailer 17£3,870 GBP
Retailer 6£4,056 GBP
Retailer 3£4,084 GBP
Retailer 12£4,598 GBP
Retailer 14£4,601 GBP
Retailer 8£5,148 GBP
Retailer 7£5,555 GBP
Retailer 4£5,630 GBP
Retailer 5£5,883 GBP
Retailer 13£6,329 GBP
Retailer 16£6,937 GBP
Retailer 2£8,613 GBP
Retailer 9£9,784 GBP
Retailer 11£10,138 GBP
Retailer 10£13,912 GBP
Retailer 15£15,065 GBP
Do Amore Diamonds£26,629 GBP

35 data points across 17 retailers

16 retailers£3,870 GBP to £26,629 GBP

A+
Cheapest Retailer
-
£3,870 GBP
$5,186 USD
A
Retailer 2
-
£4,056 GBP
$5,435 USD
View
A
Retailer 3
-
£4,084 GBP
$5,472 USD
View
A
Retailer 4
-
£4,138 GBP
$5,545 USD
View
A
Retailer 5
-
£4,601 GBP
$6,165 USD
View
A
Retailer 6
-
£5,148 GBP
$6,898 USD
View
Final sale: no returns
A
Retailer 7
-
£5,555 GBP
$7,443 USD
View
A
Retailer 8
-
£5,630 GBP
$7,543 USD
View
A
Retailer 9
-
£5,883 GBP
$7,883 USD
View
A
Retailer 10
-
£6,329 GBP
$8,480 USD
View
A
Retailer 11
-
£6,937 GBP
$9,295 USD
View
A
Retailer 12
-
£8,613 GBP
€10,991 EUR
View
A
Retailer 13
-
£10,138 GBP
View
B+
Retailer 14
-
£13,912 GBP
$18,640 USD
View
B+
Retailer 15
-
£15,065 GBP
$20,185 USD
View
Most Expensive
B
Do Amore Diamonds
27-580006572 · Oct 30
£26,629 GBP
$35,680 USD
View
15 more retailers have this diamond
Prices start from £3,870 GBPSave up to £22,759 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
£3,870 GBP