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Round|Lab Grown|IGI

5.10ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780665517

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780665517

Diamond specifications and retailer prices

From £3,907 GBP
$5,235 USD
As of October 29, 2026
Save £22,976 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £26,883 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.1ct lab-grown round diamond

This 5.1ct 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 LG780665517 or 780665517. Listed at 14 retailers as of October 29, 2026, with prices from £3,907 to £26,883, a £22,976 spread on the same certified stone. Do Amore Diamonds lists it at £26,883. 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

5.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665517
Dimensions11.09 × 11.13 × 6.81 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
11.09 mm11.13 mm5.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665517
Side View
Table 56.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £26,883 GBP|Low: £3,907 GBP|High: £30,279 GBP|Avg: £9,621 GBP|-11.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 10£3,907 GBP
Retailer 14£4,095 GBP
Retailer 11£4,122 GBP
Retailer 6£4,929 GBP
Retailer 5£5,656 GBP
Retailer 4£5,657 GBP
Retailer 12£5,683 GBP
Retailer 13£5,939 GBP
Retailer 9£7,002 GBP
Retailer 2£8,698 GBP
Retailer 8£10,235 GBP
Retailer 3£10,474 GBP
Retailer 7£14,053 GBP
Do Amore Diamonds£26,883 GBP

32 data points across 14 retailers

14 retailers£3,907 GBP to £26,883 GBP

A+
Cheapest Retailer
-
£3,907 GBP
$5,235 USD
A
Retailer 2
-
£4,095 GBP
$5,487 USD
View
A
Retailer 3
-
£4,122 GBP
$5,523 USD
View
A
Retailer 4
-
£4,929 GBP
$6,604 USD
View
Final sale: no returns
A
Retailer 5
-
£5,656 GBP
$7,578 USD
View
A
Retailer 6
-
£5,657 GBP
$7,580 USD
View
A
Retailer 7
-
£5,683 GBP
$7,615 USD
View
A
Retailer 8
-
£5,939 GBP
$7,958 USD
View
A
Retailer 9
-
£7,002 GBP
$9,382 USD
View
A
Retailer 10
-
£8,698 GBP
€11,100 EUR
View
A
Retailer 11
-
£10,235 GBP
View
A
Retailer 12
-
£10,474 GBP
$14,035 USD
View
B+
Retailer 13
-
£14,053 GBP
$18,830 USD
View
Most Expensive
B
Do Amore Diamonds
27-B347E09B3 · Oct 31
£26,883 GBP
$36,020 USD
View
13 more retailers have this diamond
Prices start from £3,907 GBPSave up to £22,976 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+
5.10ct Round
£3,907 GBP