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Oval|Lab Grown|IGI

3.10ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG754508083

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754508083

Diamond specifications and retailer prices

From £1,213 GBP
$1,615 USD
As of October 29, 2026
Save £2,705 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £12,000 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 LG754508083 or 754508083. Listed at 14 retailers as of October 28, 2026, with a 223% 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 angle33.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508083
Dimensions11.80 × 8.38 × 5.07 mm
L/W Ratio1.41
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
11.80 mm8.38 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508083
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40.2°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 29
Current: £12,000 GBP|Low: £1,213 GBP|High: £12,398 GBP|Avg: £3,520 GBP|-3.2%
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
October 29, 2026
Retailer 11£1,213 GBP
Retailer 13£1,250 GBP
Retailer 2£1,484 GBP
Retailer 10£1,545 GBP
Retailer 14£1,643 GBP
Retailer 12£2,266 GBP
Retailer 7£2,375 GBP
Retailer 9£2,653 GBP
Retailer 3£2,962 GBP
Retailer 8£3,305 GBP
Retailer 6£3,583 GBP
Retailer 4£3,616 GBP
Retailer 5£3,918 GBP
Brilliant Earth£12,000 GBP

34 data points across 14 retailers

14 retailers£1,213 GBP to £3,918 GBP

A
Cheapest Retailer
-
£1,213 GBP
$1,615 USD
A
Retailer 2
-
£1,250 GBP
HK$13,000 HKD
View
A
Retailer 3
-
£1,484 GBP
View
A
Retailer 4
-
£1,545 GBP
$2,058 USD
View
A
Retailer 5
-
£1,643 GBP
€2,084 EUR
View
A
Retailer 6
-
£2,266 GBP
$3,017 USD
View
B+
Retailer 7
-
£2,375 GBP
ZAR 51,102 ZAR
View
B+
Retailer 8
-
£2,653 GBP
$3,533 USD
View
B+
Retailer 9
-
£2,962 GBP
$3,944 USD
View
B+
Retailer 10
-
£3,305 GBP
View
B+
Retailer 11
-
£3,583 GBP
$4,771 USD
View
B+
Retailer 12
-
£3,616 GBP
SGD 6,508 SGD
View
B+
Retailer 13
-
£3,918 GBP
$5,217 USD
View
Most Expensive
B
Brilliant Earth
17311349A · Oct 29
£12,000 GBP
$15,980 USD
View
Price under review
13 more retailers have this diamond
Prices start from £1,213 GBPSave up to £2,705 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
£1,213 GBP