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Round|Lab Grown|IGI

3.41ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG620429969

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620429969

Diamond specifications and retailer prices

From £252 GBP
$338 USD
As of October 26, 2026
Save £1,987 GBP (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,239 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.41ct lab-grown round diamond

This 3.41ct 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 LG620429969 or 620429969. Listed at 9 retailers as of October 26, 2026, with prices from £252 to £2,239, a £1,987 spread on the same certified stone. Do Amore Diamonds lists it at £2,239. 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

3.41
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620429969
Dimensions9.66 × 9.62 × 5.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.66 mm9.62 mm3.41 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620429969
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: £2,239 GBP|Low: £252 GBP|High: £2,396 GBP|Avg: £1,112 GBP|-6.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 7£252 GBP
Retailer 5£293 GBP
Retailer 2£504 GBP
Retailer 10£504 GBP
Retailer 3£725 GBP
Retailer 6£916 GBP
Retailer 8£1,109 GBP
Retailer 9£1,306 GBP
Retailer 4£1,350 GBP
Retailer 11£1,881 GBP
Do Amore Diamonds£2,239 GBP

19 data points across 11 retailers

9 retailers£252 GBP to £2,239 GBP

A
Cheapest Retailer
-
£252 GBP
$338 USD
A
Retailer 2
-
£293 GBP
$392 USD
View
B+
Retailer 3
-
£504 GBP
$675 USD
View
A
Retailer 4
-
£504 GBP
$675 USD
View
B+
Retailer 5
-
£916 GBP
$1,228 USD
View
B+
Retailer 6
-
£1,109 GBP
$1,486 USD
View
Retailer 7
-
£1,306 GBP
$1,750 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
£1,350 GBP
View
Most Expensive
B
Do Amore Diamonds
27-10FED68BE · Oct 29
£2,239 GBP
$3,000 USD
View
8 more retailers have this diamond
Prices start from £252 GBPSave up to £1,987 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
3.41ct Round
£252 GBP