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Round|Lab Grown|IGI

5.06ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780665516

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780665516

Diamond specifications and retailer prices

From £3,878 GBP
$5,196 USD
As of October 29, 2026
Save £22,803 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £26,681 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 5.06ct lab-grown round diamond

This 5.06ct 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 LG780665516 or 780665516. Listed at 15 retailers as of October 29, 2026, with prices from £3,878 to £26,681, a £22,803 spread on the same certified stone. Do Amore Diamonds lists it at £26,681. 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

5.06
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665516
Dimensions11.10 × 11.13 × 6.72 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
11.10 mm11.13 mm5.06 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665516
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.4%

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: £26,681 GBP|Low: £3,878 GBP|High: £30,047 GBP|Avg: £9,352 GBP|-11.2%
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 14£3,878 GBP
Retailer 4£4,064 GBP
Retailer 15£4,091 GBP
Retailer 9£4,512 GBP
Retailer 7£5,159 GBP
Retailer 6£5,575 GBP
Retailer 16£5,641 GBP
Retailer 3£5,895 GBP
Retailer 12£6,336 GBP
Retailer 13£6,951 GBP
Retailer 2£8,630 GBP
Retailer 8£9,808 GBP
Retailer 11£10,158 GBP
Retailer 5£10,394 GBP
Retailer 10£13,941 GBP
Do Amore Diamonds£26,681 GBP

37 data points across 16 retailers

15 retailers£3,878 GBP to £26,681 GBP

A+
Cheapest Retailer
-
£3,878 GBP
$5,196 USD
A
Retailer 2
-
£4,064 GBP
$5,445 USD
View
A
Retailer 3
-
£4,091 GBP
$5,482 USD
View
A
Retailer 4
-
£4,512 GBP
$6,045 USD
View
A
Retailer 5
-
£5,159 GBP
$6,912 USD
View
Final sale: no returns
A
Retailer 6
-
£5,575 GBP
$7,470 USD
View
A
Retailer 7
-
£5,641 GBP
$7,558 USD
View
A
Retailer 8
-
£5,895 GBP
$7,898 USD
View
A
Retailer 9
-
£6,336 GBP
$8,490 USD
View
A
Retailer 10
-
£6,951 GBP
$9,313 USD
View
A
Retailer 11
-
£8,630 GBP
€11,013 EUR
View
A
Retailer 12
-
£10,158 GBP
View
A
Retailer 13
-
£10,394 GBP
$13,927 USD
View
B+
Retailer 14
-
£13,941 GBP
$18,680 USD
View
Most Expensive
B
Do Amore Diamonds
27-2DBDCE0AF · Oct 30
£26,681 GBP
$35,750 USD
View
14 more retailers have this diamond
Prices start from £3,878 GBPSave up to £22,803 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+
5.06ct Round
£3,878 GBP