Round|Lab Grown|IGI

1.41ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG769629398

Shape and cutting style on the report: Round brilliant

Certificate IGI LG769629398

Diamond specifications and retailer prices

From £139 GBP
$186 USD
As of October 26, 2026
Save £665 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £804 GBP at MOH London · As of October 26, 2026
View at MOH London

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 LG769629398 or 769629398. Listed at 17 retailers as of October 26, 2026, with prices from £139 to £804, a £665 spread on the same certified stone. MOH London lists it at £804. 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 angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769629398
Dimensions7.34 × 7.30 × 4.39 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
7.34 mm7.30 mm1.41 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769629398
Side View
Table 58.0%Crown 33.3°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 59.9%

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: Oct 26
Current: £804 GBP|Low: £133 GBP|High: £822 GBP|Avg: £353 GBP|-2.2%
MOH London
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 3£139 GBP
Retailer 4£154 GBP
Retailer 9£160 GBP
Retailer 10£172 GBP
Retailer 5£191 GBP
Retailer 11£281 GBP
Retailer 18£302 GBP
Retailer 15£308 GBP
Retailer 17£341 GBP
Retailer 8£362 GBP
Retailer 2£375 GBP
Retailer 12£387 GBP
Retailer 16£414 GBP
Retailer 13£432 GBP
Retailer 6£515 GBP
Retailer 7£552 GBP
Retailer 14£556 GBP
MOH London£804 GBP

43 data points across 18 retailers

17 retailers£139 GBP to £804 GBP

A
Cheapest Retailer
-
£139 GBP
$186 USD
A
Retailer 2
-
£160 GBP
$215 USD
View
Retailer 3
-
£172 GBP
$230 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
£191 GBP
HK$2,000 HKD
View
A
Retailer 5
-
£281 GBP
€358 EUR
View
Retailer 6
-
£302 GBP
$404 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
£308 GBP
View
Retailer 8
-
£341 GBP
View
Price last confirmed 15 days ago
B+
Retailer 9
-
£362 GBP
$485 USD
View
B+
Retailer 10
-
£375 GBP
$503 USD
View
B+
Retailer 11
-
£387 GBP
A$798 AUD
View
Retailer 12
-
£414 GBP
$555 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
£432 GBP
$579 USD
View
B+
Retailer 14
-
£515 GBP
$690 USD
View
Retailer 15
-
£552 GBP
$740 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
£556 GBP
SGD 1,006 SGD
View
Most Expensive
B
MOH London
LG769629398 · Oct 26
£804 GBP
View
16 more retailers have this diamond
Prices start from £139 GBPSave up to £665 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
£139 GBP