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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 HK$1,473 HKD
As of November 2, 2026
Save HK$7,057 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$8,530 HKD 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 HK$1,473 to HK$8,530, a HK$7,057 spread on the same certified stone. MOH London lists it at HK$8,530. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$8,530 HKD|Low: HK$1,411 HKD|High: HK$8,630 HKD|Avg: HK$3,961 HKD
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 8HK$1,473 HKD
Retailer 12HK$1,709 HKD
Retailer 9HK$1,826 HKD
Retailer 5HK$3,088 HKD
Retailer 11HK$3,198 HKD
Retailer 2HK$3,260 HKD
Retailer 3HK$3,817 HKD
Retailer 4HK$4,217 HKD
Retailer 6HK$5,173 HKD
Retailer 10HK$5,862 HKD
Retailer 7HK$5,886 HKD
MOH LondonHK$8,530 HKD

44 data points across 12 retailers

12 retailersHK$1,473 HKD to HK$8,530 HKD

A
Cheapest Retailer
-
HK$1,473 HKD
A
Retailer 2
-
HK$1,709 HKD
View
A
Retailer 3
-
HK$1,826 HKD
View
A
Retailer 4
-
HK$3,088 HKD
View
B+
Retailer 5
-
HK$3,198 HKD
View
A
Retailer 6
-
HK$3,260 HKD
View
A
Retailer 7
-
HK$3,817 HKD
View
A
Retailer 8
-
HK$4,217 HKD
View
B+
Retailer 9
-
HK$5,173 HKD
View
B+
Retailer 10
-
HK$5,862 HKD
View
B+
Retailer 11
-
HK$5,886 HKD
View
Most Expensive
B
MOH London
LG778667508 · Nov 2
HK$8,530 HKD
£857 GBP
View
11 more retailers have this diamond
Prices start from HK$1,473 HKDSave up to HK$7,057 HKD

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
HK$1,473 HKD