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3.14ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG640490568

Shape and cutting style on the report: Round brilliant

Certificate IGI LG640490568

Diamond specifications and retailer prices

From £628 GBP
As of November 5, 2026
Save £1,602 GBP (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,230 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.14ct lab-grown round diamond

This 3.14ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640490568 or 640490568. Listed at 9 retailers as of November 5, 2026, with prices from £628 to £2,230, a £1,602 spread on the same certified stone. MOH London lists it at £2,230. 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

3.14
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640490568
Dimensions9.32 × 9.26 × 5.84 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
9.32 mm9.26 mm3.14 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640490568
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.9%

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: £2,230 GBP|Low: £568 GBP|High: £2,262 GBP|Avg: £1,104 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£628 GBP
Retailer 8£628 GBP
Retailer 5£724 GBP
Retailer 6£736 GBP
Retailer 2£740 GBP
Retailer 4£1,204 GBP
Retailer 7£1,354 GBP
Retailer 9£1,756 GBP
MOH London£2,230 GBP

37 data points across 9 retailers

9 retailers£628 GBP to £2,230 GBP

A
Cheapest Retailer
-
£628 GBP
A
Retailer 2
-
£628 GBP
View
A
Retailer 3
-
£724 GBP
View
A
Retailer 4
-
£736 GBP
View
A
Retailer 5
-
£740 GBP
View
B+
Retailer 6
-
£1,204 GBP
View
B+
Retailer 7
-
£1,354 GBP
View
B+
Retailer 8
-
£1,756 GBP
View
Most Expensive
B+
MOH London
LG640490568 · Nov 5
£2,230 GBP
View
8 more retailers have this diamond
Prices start from £628 GBPSave up to £1,602 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
3.14ct Round
£628 GBP