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Round|Lab Grown|IGI

3.01ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG787651945

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787651945

Diamond specifications and retailer prices

From £450 GBP
As of November 6, 2026
Save £992 GBP (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,441 GBP at Rare Carat · As of November 4, 2026
View at Rare Carat

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 LG787651945 or 787651945. Listed at 16 retailers as of November 4, 2026, with prices from £450 to £1,441, a £992 spread on the same certified stone. Rare Carat lists it at £1,441. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787651945
Dimensions9.24 × 9.32 × 5.68 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
9.24 mm9.32 mm3.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787651945
Side View
Table 61.0%Crown 33.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.1%

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: Nov 6
Current: £1,441 GBP|Low: £291 GBP|High: £1,497 GBP|Avg: £735 GBP|-3.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3£291 GBP
Retailer 9£340 GBP
Retailer 4£356 GBP
Retailer 7£450 GBP
Retailer 5£451 GBP
Retailer 11£543 GBP
Retailer 2£606 GBP
Retailer 10£794 GBP
Retailer 8£996 GBP
Retailer 12£1,160 GBP
Retailer 6£1,323 GBP
Rare Carat£1,441 GBP

41 data points across 12 retailers

16 retailers£450 GBP to £1,441 GBP

Retailer 1
-
£279 GBP
Price last confirmed 36 days ago
Retailer 2
-
£291 GBP
View
Price last confirmed 45 days ago
Retailer 3
-
£325 GBP
View
Price last confirmed 44 days ago
Retailer 4
-
£340 GBP
View
Price last confirmed 12 days ago
Retailer 5
-
£356 GBP
View
Price last confirmed 42 days ago
Retailer 6
-
£360 GBP
View
Price last confirmed 35 days ago
A
Retailer 7
-
£450 GBP
View
A
Retailer 8
-
£451 GBP
View
B+
Retailer 9
-
£543 GBP
View
A
Retailer 10
-
£606 GBP
View
B+
Retailer 11
-
£794 GBP
View
B
Retailer 12
-
£996 GBP
View
Retailer 13
-
£1,160 GBP
View
Price last confirmed 46 days ago
Retailer 14
-
£1,160 GBP
View
Price last confirmed 37 days ago
B
Retailer 15
-
£1,323 GBP
View
Most Expensive
B
Rare Carat
ST-17-3_l_787651945 · Nov 4
£1,441 GBP
$1,940 USD
View
15 more retailers have this diamond
Prices start from £450 GBPSave up to £992 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
£450 GBP