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Oval|Lab Grown|IGI

3.10ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG754593968

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754593968

Diamond specifications and retailer prices

From £678 GBP
$903 USD
As of October 26, 2026
Save £7,807 GBP (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £8,486 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.1ct lab-grown oval diamond

This 3.1ct lab-grown oval 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 LG754593968 or 754593968. Listed at 16 retailers as of October 26, 2026, with prices from £678 to £8,486, a £7,807 spread on the same certified stone. Brilliant Earth lists it at £8,486. 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 angle36.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754593968
Dimensions11.30 × 8.11 × 5.21 mm
L/W Ratio1.39
Girdle conditionFaceted
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
11.30 mm8.11 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754593968
Side View
Table 59.0%Crown 36.1°Girdle: ThickPavilion 40.6°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
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 26
Current: £8,486 GBP|Low: £678 GBP|High: £11,947 GBP|Avg: £2,982 GBP|-29.0%
Brilliant Earth
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 29, 2026
Retailer 10£678 GBP
Retailer 4£737 GBP
Retailer 12£925 GBP
Retailer 9£965 GBP
Retailer 11£1,261 GBP
Retailer 8£1,376 GBP
Retailer 15£1,462 GBP
Retailer 16£1,627 GBP
Retailer 3£1,741 GBP
Retailer 14£1,750 GBP
Retailer 5£2,260 GBP
Retailer 2£2,960 GBP
Retailer 6£4,070 GBP
Retailer 13£6,022 GBP
Retailer 7£6,627 GBP
Brilliant Earth£8,486 GBP

32 data points across 16 retailers

16 retailers£678 GBP to £8,486 GBP

A
Cheapest Retailer
-
£678 GBP
$903 USD
A
Retailer 2
-
£737 GBP
$982 USD
View
A
Retailer 3
-
£925 GBP
$1,232 USD
View
A
Retailer 4
-
£965 GBP
$1,285 USD
View
A
Retailer 5
-
£1,261 GBP
$1,679 USD
View
A
Retailer 6
-
£1,376 GBP
$1,832 USD
View
Final sale: no returns
A
Retailer 7
-
£1,462 GBP
€1,854 EUR
View
A
Retailer 8
-
£1,627 GBP
$2,167 USD
View
A
Retailer 9
-
£1,741 GBP
$2,319 USD
View
A
Retailer 10
-
£1,750 GBP
$2,330 USD
View
A
Retailer 11
-
£2,260 GBP
$3,010 USD
View
B+
Retailer 12
-
£2,960 GBP
View
B+
Retailer 13
-
£4,070 GBP
$5,420 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
£6,022 GBP
$8,020 USD
View
B
Retailer 15
-
£6,627 GBP
$8,825 USD
View
Most Expensive
B
Brilliant Earth
18350343Y · Oct 29
£8,486 GBP
$11,300 USD
View
15 more retailers have this diamond
Prices start from £678 GBPSave up to £7,807 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 Oval
£678 GBP