CaratHunter
Plans
Round|Lab Grown|IGI

5.10ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG840665217

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840665217

Diamond specifications and retailer prices

From £481 GBP
$645 USD
As of October 26, 2026
Save £3,668 GBP (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,150 GBP at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 5.1ct lab-grown round diamond

This 5.1ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840665217 or 840665217. Listed at 18 retailers as of October 26, 2026, with a 762% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840665217
Dimensions11.06 × 11.11 × 6.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.06 mm11.11 mm5.10 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840665217
Side View
Table 59.0%Crown 32.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.5%

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: £1,303 GBP|Low: £462 GBP|High: £3,265 GBP|Avg: £1,392 GBP|-5.2%
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
October 31, 2026
Retailer 15£481 GBP
Retailer 2£523 GBP
Retailer 16£634 GBP
Retailer 13£694 GBP
Retailer 9£699 GBP
Retailer 8£847 GBP
Retailer 4£884 GBP
Retailer 10£982 GBP
Retailer 12£1,138 GBP
Retailer 1£1,303 GBP
Retailer 6£1,569 GBP
Retailer 3£1,576 GBP
Retailer 14£2,001 GBP
Retailer 11£2,353 GBP
Retailer 7£2,935 GBP
Retailer 5£3,265 GBP

29 data points across 16 retailers

18 retailers£481 GBP to £4,150 GBP

A
Cheapest Retailer
-
£481 GBP
$645 USD
Retailer 2
-
£523 GBP
$701 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£634 GBP
$849 USD
View
Final sale: no returns
A
Retailer 4
-
£694 GBP
$930 USD
View
A
Retailer 5
-
£699 GBP
View
A
Retailer 6
-
£847 GBP
$1,135 USD
View
B+
Retailer 7
-
£884 GBP
$1,185 USD
View
A
Retailer 8
-
£982 GBP
€1,253 EUR
View
Retailer 9
-
£1,138 GBP
A$2,345 AUD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£1,303 GBP
$1,746 USD
View
B+
Retailer 11
-
£1,569 GBP
$2,102 USD
View
B+
Retailer 12
-
£1,576 GBP
$2,111 USD
View
B
Retailer 13
-
£2,001 GBP
$2,681 USD
View
B
Retailer 14
-
£2,353 GBP
View
B
Retailer 15
-
£2,935 GBP
$3,933 USD
View
Retailer 16
-
£3,265 GBP
$4,375 USD
View
Price last confirmed 27 days ago
B
Retailer 17
-
£4,150 GBP
$5,560 USD
View
Most Expensive
Brilliant Earth
21766175A · Oct 15
£4,150 GBP
$5,560 USD
View
Price last confirmed 16 days ago
17 more retailers have this diamond
Prices start from £481 GBPSave up to £3,668 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
£481 GBP