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Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818623895

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818623895

Diamond specifications and retailer prices

From £1,629 GBP
$2,183 USD
As of October 30, 2026
Save £9,581 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £11,210 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818623895 or 818623895. Listed at 21 retailers as of October 30, 2026, with prices from £1,629 to £11,210, a £9,581 spread on the same certified stone. Do Amore Diamonds lists it at £11,210. 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

3.10
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623895
Dimensions10.48 × 7.25 × 4.81 mm
L/W Ratio1.45
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
10.48 mm7.25 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623895
Side View
Table 63.0%Crown 42.9°Girdle: MediumPavilion 35.8°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
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 30
Current: £11,210 GBP|Low: £1,629 GBP|High: £14,889 GBP|Avg: £4,692 GBP|-24.7%
Do Amore Diamonds
Retailer 2
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Retailer 19
October 31, 2026
Retailer 9£1,629 GBP
Retailer 16£1,773 GBP
Retailer 5£1,824 GBP
Retailer 3£1,890 GBP
Retailer 18£1,896 GBP
Retailer 15£2,011 GBP
Retailer 19£2,655 GBP
Retailer 11£2,867 GBP
Retailer 2£2,873 GBP
Retailer 17£2,962 GBP
Retailer 14£3,143 GBP
Retailer 7£3,958 GBP
Retailer 12£4,844 GBP
Retailer 4£5,545 GBP
Retailer 13£5,615 GBP
Retailer 8£5,676 GBP
Retailer 6£7,066 GBP
Retailer 10£7,282 GBP
Do Amore Diamonds£11,210 GBP

35 data points across 19 retailers

21 retailers£1,629 GBP to £11,210 GBP

A
Cheapest Retailer
-
£1,629 GBP
$2,183 USD
A
Retailer 2
-
£1,773 GBP
$2,375 USD
View
A
Retailer 3
-
£1,824 GBP
$2,444 USD
View
Final sale: no returns
A
Retailer 4
-
£1,890 GBP
$2,532 USD
View
A
Retailer 5
-
£1,896 GBP
$2,540 USD
View
A
Retailer 6
-
£2,011 GBP
$2,695 USD
View
Retailer 7
-
£2,511 GBP
$3,364 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
£2,655 GBP
$3,557 USD
View
B+
Retailer 9
-
£2,867 GBP
$3,842 USD
View
B+
Retailer 10
-
£2,873 GBP
View
B+
Retailer 11
-
£2,962 GBP
$3,969 USD
View
Retailer 12
-
£3,143 GBP
€4,011 EUR
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£3,958 GBP
View
B+
Retailer 14
-
£4,844 GBP
ZAR 104,852 ZAR
View
B+
Retailer 15
-
£5,545 GBP
$7,430 USD
View
B
Retailer 16
-
£5,615 GBP
View
B+
Retailer 17
-
£5,676 GBP
$7,605 USD
View
B
Retailer 18
-
£7,066 GBP
$9,468 USD
View
B
Retailer 19
-
£7,282 GBP
$9,757 USD
View
B
Retailer 20
-
£9,732 GBP
$13,040 USD
View
Most Expensive
B
Do Amore Diamonds
27-92FE77D1A · Oct 31
£11,210 GBP
$15,020 USD
View
20 more retailers have this diamond
Prices start from £1,629 GBPSave up to £9,581 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
3.10ct Radiant
£1,629 GBP