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Oval|Lab Grown|IGI

3.10ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG784646557

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784646557

Diamond specifications and retailer prices

From £721 GBP
$960 USD
As of October 26, 2026
Save £5,906 GBP (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £11,947 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 LG784646557 or 784646557. Listed at 15 retailers as of October 26, 2026, with a 819% 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

3.10
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646557
Dimensions11.60 × 8.31 × 4.99 mm
L/W Ratio1.40
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
11.60 mm8.31 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646557
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 60.0%

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: £11,947 GBP|Low: £721 GBP|High: £11,947 GBP|Avg: £3,096 GBP
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
October 29, 2026
Retailer 9£721 GBP
Retailer 4£785 GBP
Retailer 11£972 GBP
Retailer 8£972 GBP
Retailer 10£1,338 GBP
Retailer 14£1,556 GBP
Retailer 7£1,639 GBP
Retailer 15£1,730 GBP
Retailer 3£1,752 GBP
Retailer 13£1,802 GBP
Retailer 2£3,147 GBP
Retailer 6£4,104 GBP
Retailer 12£6,405 GBP
Retailer 5£6,627 GBP
Brilliant Earth£11,947 GBP

35 data points across 15 retailers

15 retailers£721 GBP to £6,627 GBP

A
Cheapest Retailer
-
£721 GBP
$960 USD
A
Retailer 2
-
£785 GBP
$1,045 USD
View
A
Retailer 3
-
£972 GBP
$1,294 USD
View
A
Retailer 4
-
£972 GBP
$1,295 USD
View
A
Retailer 5
-
£1,338 GBP
$1,782 USD
View
A
Retailer 6
-
£1,556 GBP
€1,973 EUR
View
A
Retailer 7
-
£1,639 GBP
$2,182 USD
View
Final sale: no returns
A
Retailer 8
-
£1,730 GBP
$2,304 USD
View
A
Retailer 9
-
£1,752 GBP
$2,333 USD
View
A
Retailer 10
-
£1,802 GBP
$2,400 USD
View
B+
Retailer 11
-
£3,147 GBP
View
B+
Retailer 12
-
£4,104 GBP
$5,465 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
£6,405 GBP
$8,530 USD
View
B
Retailer 14
-
£6,627 GBP
$8,825 USD
View
Most Expensive
B
Brilliant Earth
21060685Y · Oct 29
£11,947 GBP
$15,910 USD
View
Price under review
14 more retailers have this diamond
Prices start from £721 GBPSave up to £5,906 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
£721 GBP