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Oval|Lab Grown|IGI

3.05ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG740503263

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG740503263

Diamond specifications and retailer prices

From £347 GBP
$462 USD
As of October 29, 2026
Save £2,296 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,643 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.05ct lab-grown oval diamond

This 3.05ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG740503263 or 740503263. Listed at 21 retailers as of October 29, 2026, with prices from £347 to £2,643, a £2,296 spread on the same certified stone. Brilliant Earth lists it at £2,643. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.05
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG740503263
Dimensions12.17 × 8.08 × 4.93 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.17 mm8.08 mm3.05 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG740503263
Side View
Table 62.0%Crown 34.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

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 29
Current: £2,643 GBP|Low: £324 GBP|High: £2,643 GBP|Avg: £894 GBP|+4.1%
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 30, 2026
Retailer 13£347 GBP
Retailer 7£418 GBP
Retailer 9£492 GBP
Retailer 3£526 GBP
Retailer 2£589 GBP
Retailer 4£647 GBP
Retailer 8£674 GBP
Retailer 11£713 GBP
Retailer 15£926 GBP
Retailer 6£986 GBP
Retailer 12£1,407 GBP
Retailer 5£1,509 GBP
Retailer 10£1,525 GBP
Retailer 14£1,545 GBP
Brilliant Earth£2,643 GBP

33 data points across 15 retailers

21 retailers£347 GBP to £2,643 GBP

A
Cheapest Retailer
-
£347 GBP
$462 USD
A
Retailer 2
-
£378 GBP
$503 USD
View
Retailer 3
-
£418 GBP
$557 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
£418 GBP
$557 USD
View
A
Retailer 5
-
£492 GBP
$655 USD
View
Final sale: no returns
A
Retailer 6
-
£526 GBP
$700 USD
View
A
Retailer 7
-
£589 GBP
View
A
Retailer 8
-
£647 GBP
€821 EUR
View
B+
Retailer 9
-
£674 GBP
$897 USD
View
A
Retailer 10
-
£699 GBP
$931 USD
View
A
Retailer 11
-
£713 GBP
View
B+
Retailer 12
-
£926 GBP
A$1,898 AUD
View
B+
Retailer 13
-
£986 GBP
$1,313 USD
View
B+
Retailer 14
-
£1,165 GBP
$1,552 USD
View
B
Retailer 15
-
£1,345 GBP
$1,791 USD
View
B
Retailer 16
-
£1,407 GBP
$1,873 USD
View
B
Retailer 17
-
£1,509 GBP
$2,010 USD
View
B
Retailer 18
-
£1,525 GBP
$2,031 USD
View
B
Retailer 19
-
£1,545 GBP
View
Retailer 20
-
£2,086 GBP
$2,778 USD
View
Price last confirmed 94 days ago
Most Expensive
B
Brilliant Earth
16730063A · Oct 30
£2,643 GBP
$3,520 USD
View
20 more retailers have this diamond
Prices start from £347 GBPSave up to £2,296 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
3.05ct Oval
£347 GBP