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Round|Lab Grown|IGI

3.01ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG756506781

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756506781

Diamond specifications and retailer prices

From £330 GBP
As of November 5, 2026
Save £2,337 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,667 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.01ct lab-grown round diamond

This 3.01ct lab-grown round 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 LG756506781 or 756506781. Listed at 21 retailers as of November 5, 2026, with prices from £330 to £2,667, a £2,337 spread on the same certified stone. Brilliant Earth lists it at £2,667. 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

3.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756506781
Dimensions9.27 × 9.19 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.27 mm9.19 mm3.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756506781
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

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: Nov 5
Current: £2,667 GBP|Low: £282 GBP|High: £2,823 GBP|Avg: £822 GBP|-5.5%
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
November 6, 2026
Retailer 13£294 GBP
Retailer 3£330 GBP
Retailer 11£330 GBP
Retailer 16£365 GBP
Retailer 12£476 GBP
Retailer 14£490 GBP
Retailer 5£490 GBP
Retailer 10£578 GBP
Retailer 2£588 GBP
Retailer 4£590 GBP
Retailer 8£801 GBP
Retailer 15£1,024 GBP
Retailer 7£1,200 GBP
Retailer 6£1,351 GBP
Retailer 9£1,421 GBP
Brilliant Earth£2,667 GBP

41 data points across 16 retailers

21 retailers£330 GBP to £2,667 GBP

Retailer 1
-
£294 GBP
Price last confirmed 17 days ago
Retailer 2
-
£308 GBP
View
Price last confirmed 38 days ago
Retailer 3
-
£308 GBP
View
Price last confirmed 46 days ago
A
Retailer 4
-
£330 GBP
View
A
Retailer 5
-
£330 GBP
View
Final sale: no returns
Retailer 6
-
£365 GBP
View
Price last confirmed 21 days ago
Retailer 7
-
£377 GBP
View
Price last confirmed 45 days ago
Retailer 8
-
£377 GBP
View
Price last confirmed 38 days ago
A
Retailer 9
-
£476 GBP
View
B+
Retailer 10
-
£490 GBP
View
A
Retailer 11
-
£578 GBP
View
A
Retailer 12
-
£588 GBP
View
A
Retailer 13
-
£590 GBP
View
B+
Retailer 14
-
£801 GBP
View
B
Retailer 15
-
£1,024 GBP
View
B
Retailer 16
-
£1,200 GBP
View
Retailer 17
-
£1,227 GBP
View
Price last confirmed 46 days ago
Retailer 18
-
£1,227 GBP
View
Price last confirmed 37 days ago
B
Retailer 19
-
£1,351 GBP
View
B
Retailer 20
-
£1,421 GBP
View
Most Expensive
B
Brilliant Earth
18621635A · Nov 5
£2,667 GBP
$3,590 USD
View
20 more retailers have this diamond
Prices start from £330 GBPSave up to £2,337 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
3.01ct Round
£330 GBP