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Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800677578

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

Certificate IGI LG800677578

Diamond specifications and retailer prices

From £1,374 GBP
$1,841 USD
As of October 30, 2026
Save £8,082 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £9,456 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 LG800677578 or 800677578. Listed at 14 retailers as of October 30, 2026, with prices from £1,374 to £9,456, a £8,082 spread on the same certified stone. Do Amore Diamonds lists it at £9,456. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677578
Dimensions10.41 × 7.38 × 4.85 mm
L/W Ratio1.41
Culet sizePointed
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
10.41 mm7.38 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677578
Side View
Table 62.0%Crown 40.1°Girdle: MediumPavilion 34.8°Culet: NoneDepth 65.7%

Caratlytics Score

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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 30
Current: £9,456 GBP|Low: £1,374 GBP|High: £12,389 GBP|Avg: £3,943 GBP|-23.7%
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 9£1,374 GBP
Retailer 3£1,502 GBP
Retailer 13£1,657 GBP
Retailer 7£1,663 GBP
Retailer 10£1,896 GBP
Retailer 5£2,121 GBP
Retailer 12£2,419 GBP
Retailer 14£2,509 GBP
Retailer 2£2,682 GBP
Retailer 4£2,965 GBP
Retailer 6£4,566 GBP
Retailer 11£5,052 GBP
Retailer 8£9,038 GBP
Do Amore Diamonds£9,456 GBP

35 data points across 14 retailers

14 retailers£1,374 GBP to £9,456 GBP

A+
Cheapest Retailer
-
£1,374 GBP
$1,841 USD
A
Retailer 2
-
£1,502 GBP
$2,012 USD
View
A
Retailer 3
-
£1,657 GBP
$2,220 USD
View
A
Retailer 4
-
£1,663 GBP
$2,228 USD
View
A
Retailer 5
-
£1,896 GBP
$2,540 USD
View
A
Retailer 6
-
£2,121 GBP
$2,842 USD
View
Final sale: no returns
A
Retailer 7
-
£2,419 GBP
$3,241 USD
View
A
Retailer 8
-
£2,509 GBP
$3,362 USD
View
A
Retailer 9
-
£2,682 GBP
$3,593 USD
View
Retailer 10
-
£2,965 GBP
€3,783 EUR
View
Price last confirmed 8 days ago
Retailer 11
-
£4,566 GBP
$6,118 USD
View
Price last confirmed 88 days ago
B+
Retailer 12
-
£5,052 GBP
View
B
Retailer 13
-
£9,038 GBP
$12,110 USD
View
Most Expensive
B
Do Amore Diamonds
27-C4AEF3060 · Oct 31
£9,456 GBP
$12,670 USD
View
13 more retailers have this diamond
Prices start from £1,374 GBPSave up to £8,082 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
£1,374 GBP