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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 $241 SGD
As of November 2, 2026
Save $1,154 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,395 SGD 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 $241 to $1,395, a $1,154 spread on the same certified stone. MOH London lists it at $1,395. 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: $1,395 SGD|Low: $231 SGD|High: $1,411 SGD|Avg: $648 SGD
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$241 SGD
Retailer 12$279 SGD
Retailer 9$299 SGD
Retailer 5$505 SGD
Retailer 11$523 SGD
Retailer 2$533 SGD
Retailer 3$624 SGD
Retailer 4$690 SGD
Retailer 6$846 SGD
Retailer 10$959 SGD
Retailer 7$962 SGD
MOH London$1,395 SGD

44 data points across 12 retailers

12 retailers$241 SGD to $1,395 SGD

A
Cheapest Retailer
-
$241 SGD
A
Retailer 2
-
$279 SGD
View
A
Retailer 3
-
$299 SGD
View
A
Retailer 4
-
$505 SGD
View
B+
Retailer 5
-
$523 SGD
View
A
Retailer 6
-
$533 SGD
View
A
Retailer 7
-
$624 SGD
View
A
Retailer 8
-
$690 SGD
View
B+
Retailer 9
-
$846 SGD
View
B+
Retailer 10
-
$959 SGD
View
B+
Retailer 11
-
$962 SGD
View
Most Expensive
B
MOH London
LG778667508 · Nov 2
$1,395 SGD
£857 GBP
View
11 more retailers have this diamond
Prices start from $241 SGDSave up to $1,154 SGD

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
$241 SGD