Round|Lab Grown|IGI

5.10ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG817696605

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817696605

Diamond specifications and retailer prices

From £4,043 GBP
$5,417 USD
As of October 29, 2026
Save £22,009 GBP (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £26,052 GBP at With Clarity · As of October 31, 2026
View at With Clarity

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 LG817696605 or 817696605. Listed at 22 retailers as of October 29, 2026, with prices from £4,043 to £26,052, a £22,009 spread on the same certified stone. With Clarity lists it at £26,052. 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 angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817696605
Dimensions11.05 × 10.98 × 6.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
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 mm10.98 mm5.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817696605
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.2%

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: £8,440 GBP|Low: £4,043 GBP|High: £28,031 GBP|Avg: £9,587 GBP|-18.3%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
October 31, 2026
Retailer 5£4,043 GBP
Retailer 2£4,237 GBP
Retailer 10£4,323 GBP
Retailer 15£4,527 GBP
Retailer 4£4,690 GBP
Retailer 18£4,691 GBP
Retailer 7£5,568 GBP
Retailer 3£5,776 GBP
Retailer 12£5,989 GBP
Retailer 8£6,333 GBP
Retailer 6£7,244 GBP
Retailer 19£7,257 GBP
Retailer 1£8,440 GBP
Retailer 13£9,204 GBP
Retailer 16£9,528 GBP
Retailer 17£9,595 GBP
Retailer 14£14,053 GBP
Retailer 9£16,643 GBP
Retailer 11£17,841 GBP
With Clarity£26,052 GBP

30 data points across 20 retailers

22 retailers£4,043 GBP to £26,052 GBP

A+
Cheapest Retailer
-
£4,043 GBP
$5,417 USD
A
Retailer 2
-
£4,237 GBP
$5,677 USD
View
A
Retailer 3
-
£4,323 GBP
$5,793 USD
View
A
Retailer 4
-
£4,527 GBP
$6,066 USD
View
Final sale: no returns
A
Retailer 5
-
£4,690 GBP
$6,284 USD
View
A
Retailer 6
-
£4,691 GBP
$6,285 USD
View
Retailer 7
-
£4,878 GBP
$6,536 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
£5,568 GBP
$7,460 USD
View
A
Retailer 9
-
£5,776 GBP
$7,739 USD
View
A
Retailer 10
-
£5,989 GBP
View
Retailer 11
-
£6,333 GBP
$8,485 USD
View
Price last confirmed 13 days ago
A
Retailer 12
-
£7,244 GBP
$9,706 USD
View
A
Retailer 13
-
£7,257 GBP
$9,723 USD
View
A
Retailer 14
-
£8,440 GBP
€10,770 EUR
View
A
Retailer 15
-
£8,943 GBP
$11,982 USD
View
A
Retailer 16
-
£9,204 GBP
$12,333 USD
View
A
Retailer 17
-
£9,528 GBP
ZAR 206,248 ZAR
View
A
Retailer 18
-
£9,595 GBP
View
B+
Retailer 19
-
£14,053 GBP
$18,830 USD
View
B+
Retailer 20
-
£16,643 GBP
$22,300 USD
View
B+
Retailer 21
-
£17,841 GBP
SGD 32,304 SGD
View
Most Expensive
B
With Clarity
817696605 · Oct 31
£26,052 GBP
$34,907 USD
View
21 more retailers have this diamond
Prices start from £4,043 GBPSave up to £22,009 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
£4,043 GBP