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Oval|Lab Grown|IGI

3.08ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG746538348

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG746538348

Diamond specifications and retailer prices

From £294 GBP
$391 USD
As of October 29, 2026
Save £2,102 GBP (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,395 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.08ct lab-grown oval diamond

This 3.08ct 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 LG746538348 or 746538348. Listed at 15 retailers as of October 29, 2026, with prices from £294 to £2,395, a £2,102 spread on the same certified stone. Brilliant Earth lists it at £2,395. 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

3.08
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746538348
Dimensions11.70 × 8.26 × 5.15 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.70 mm8.26 mm3.08 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746538348
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £2,395 GBP|Low: £282 GBP|High: £2,808 GBP|Avg: £874 GBP|-14.7%
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 30, 2026
Retailer 5£294 GBP
Retailer 11£329 GBP
Retailer 3£363 GBP
Retailer 16£363 GBP
Retailer 15£499 GBP
Retailer 10£548 GBP
Retailer 6£579 GBP
Retailer 2£596 GBP
Retailer 14£631 GBP
Retailer 7£650 GBP
Retailer 12£1,021 GBP
Retailer 4£1,169 GBP
Retailer 8£1,171 GBP
Retailer 9£1,429 GBP
Retailer 13£1,539 GBP
Brilliant Earth£2,395 GBP

39 data points across 16 retailers

15 retailers£294 GBP to £2,395 GBP

A
Cheapest Retailer
-
£294 GBP
$391 USD
A
Retailer 2
-
£329 GBP
$438 USD
View
A
Retailer 3
-
£363 GBP
$484 USD
View
A
Retailer 4
-
£363 GBP
$484 USD
View
Retailer 5
-
£499 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
£548 GBP
$730 USD
View
B+
Retailer 7
-
£579 GBP
$771 USD
View
A
Retailer 8
-
£596 GBP
View
A
Retailer 9
-
£650 GBP
$866 USD
View
B+
Retailer 10
-
£1,021 GBP
$1,359 USD
View
B+
Retailer 11
-
£1,169 GBP
$1,557 USD
View
B+
Retailer 12
-
£1,171 GBP
$1,559 USD
View
B+
Retailer 13
-
£1,429 GBP
View
B
Retailer 14
-
£1,539 GBP
$2,050 USD
View
Most Expensive
B
Brilliant Earth
16469915A · Oct 29
£2,395 GBP
$3,190 USD
View
14 more retailers have this diamond
Prices start from £294 GBPSave up to £2,102 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
3.08ct Oval
£294 GBP