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Radiant|Lab Grown|IGI

1.41ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG778667508

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG778667508

Diamond specifications and retailer prices

From $274 AUD
As of November 2, 2026
Save $1,310 AUD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,584 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.41ct lab-grown radiant diamond

This 1.41ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778667508 or 778667508. Listed at 12 retailers as of November 2, 2026, with prices from $274 to $1,584, a $1,310 spread on the same certified stone. MOH London lists it at $1,584. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778667508
Dimensions8.02 × 5.53 × 3.84 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.02 mm5.53 mm1.41 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778667508
Side View
Table 63.0%Crown 33.3°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 69.4%

Caratlytics Score

How it works →
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 2
Current: $1,584 AUD|Low: $262 AUD|High: $1,603 AUD|Avg: $735 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 8$274 AUD
Retailer 12$317 AUD
Retailer 9$339 AUD
Retailer 5$573 AUD
Retailer 11$594 AUD
Retailer 2$605 AUD
Retailer 3$709 AUD
Retailer 4$783 AUD
Retailer 6$961 AUD
Retailer 10$1,089 AUD
Retailer 7$1,093 AUD
MOH London$1,584 AUD

44 data points across 12 retailers

12 retailers$274 AUD to $1,584 AUD

A
Cheapest Retailer
-
$274 AUD
A
Retailer 2
-
$317 AUD
View
A
Retailer 3
-
$339 AUD
View
A
Retailer 4
-
$573 AUD
View
B+
Retailer 5
-
$594 AUD
View
A
Retailer 6
-
$605 AUD
View
A
Retailer 7
-
$709 AUD
View
A
Retailer 8
-
$783 AUD
View
B+
Retailer 9
-
$961 AUD
View
B+
Retailer 10
-
$1,089 AUD
View
B+
Retailer 11
-
$1,093 AUD
View
Most Expensive
B
MOH London
LG778667508 · Nov 2
$1,584 AUD
£857 GBP
View
11 more retailers have this diamond
Prices start from $274 AUDSave up to $1,310 AUD

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 Radiant
$274 AUD