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3.07ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG758559635

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758559635

Diamond specifications and retailer prices

From £315 GBP
$422 USD
As of October 29, 2026
Save £1,127 GBP (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,442 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.07ct lab-grown round diamond

This 3.07ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758559635 or 758559635. Listed at 14 retailers as of October 29, 2026, with prices from £315 to £1,442, a £1,127 spread on the same certified stone. MOH London lists it at £1,442. 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

3.07
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758559635
Dimensions9.25 × 9.21 × 5.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.25 mm9.21 mm3.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758559635
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: £1,442 GBP|Low: £302 GBP|High: £1,452 GBP|Avg: £686 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7£315 GBP
Retailer 8£390 GBP
Retailer 9£390 GBP
Retailer 11£524 GBP
Retailer 5£526 GBP
Retailer 2£610 GBP
Retailer 4£642 GBP
Retailer 10£672 GBP
Retailer 3£761 GBP
Retailer 6£1,096 GBP
MOH London£1,442 GBP

39 data points across 11 retailers

14 retailers£315 GBP to £1,442 GBP

A
Cheapest Retailer
-
£315 GBP
$422 USD
A
Retailer 2
-
£353 GBP
$473 USD
View
A
Retailer 3
-
£390 GBP
$523 USD
View
A
Retailer 4
-
£390 GBP
$523 USD
View
B+
Retailer 5
-
£524 GBP
$702 USD
View
A
Retailer 6
-
£526 GBP
$705 USD
View
A
Retailer 7
-
£610 GBP
View
A
Retailer 8
-
£642 GBP
View
B+
Retailer 9
-
£672 GBP
$901 USD
View
B+
Retailer 10
-
£761 GBP
$1,019 USD
View
B
Retailer 11
-
£1,096 GBP
$1,468 USD
View
B
Retailer 12
-
£1,255 GBP
$1,682 USD
View
B
Retailer 13
-
£1,280 GBP
$1,715 USD
View
Most Expensive
B
MOH London
LG758559635 · Oct 29
£1,442 GBP
View
13 more retailers have this diamond
Prices start from £315 GBPSave up to £1,127 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
3.07ct Round
£315 GBP