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Round|Lab Grown|IGI

1.41ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG710542934

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710542934

Diamond specifications and retailer prices

From £343 GBP
$459 USD
As of October 30, 2026
Save £735 GBP (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,157 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.41ct lab-grown round diamond

This 1.41ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG710542934 or 710542934. Listed at 4 retailers as of October 30, 2026, with a 215% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.41
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710542934
Dimensions7.19 × 7.12 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.19 mm7.12 mm1.41 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710542934
Side View
Table 57.0%Crown 35.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £2,157 GBP|Low: £343 GBP|High: £2,254 GBP|Avg: £1,025 GBP|-4.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 27, 2026
Retailer 4£343 GBP
Retailer 3£470 GBP
Retailer 5£1,037 GBP
Retailer 2£1,078 GBP
Do Amore Diamonds£2,157 GBP

5 data points across 5 retailers

4 retailers£343 GBP to £1,078 GBP

A
Cheapest Retailer
-
£343 GBP
$459 USD
B+
Retailer 2
-
£470 GBP
$630 USD
View
B
Retailer 3
-
£1,078 GBP
CA$2,006 CAD
View
Most Expensive
Do Amore Diamonds
16-500099094 · Oct 31
£2,157 GBP
$2,890 USD
View
Price under review
3 more retailers have this diamond
Prices start from £343 GBPSave up to £735 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
1.41ct Round
£343 GBP