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Radiant|Lab Grown|IGI

0.90ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG604317856

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

Certificate IGI LG604317856

Diamond specifications and retailer prices

From HK$3,640 HKD
£365 GBP
As of November 2, 2026
13 retailers carry this diamond
Most expensive: HK$8,918 HKD at MOH London · As of October 11, 2026
View at MOH London

About this 0.9ct lab-grown radiant diamond

This 0.9ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG604317856 or 604317856. Listed at 13 retailers as of November 2, 2026. 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

0.90
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604317856
Dimensions6.78 × 4.81 × 3.29 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.78 mm4.81 mm0.90 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG604317856
Side View
Table 67.0%Crown 39.1°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 68.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: HK$8,918 HKD|Low: HK$847 HKD|High: HK$8,918 HKD|Avg: HK$2,759 HKD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 17, 2026
Retailer 12HK$847 HKD
Retailer 5HK$989 HKD
Retailer 14HK$1,122 HKD
Retailer 16HK$1,122 HKD
Retailer 2HK$1,399 HKD
Retailer 10HK$2,001 HKD
Retailer 3HK$2,103 HKD
Retailer 8HK$2,103 HKD
Retailer 11HK$2,109 HKD
Retailer 15HK$2,300 HKD
Retailer 9HK$2,801 HKD
Retailer 13HK$3,390 HKD
Retailer 7HK$3,391 HKD
Retailer 17HK$3,405 HKD
Retailer 6HK$3,570 HKD
Retailer 4HK$5,885 HKD
MOH LondonHK$8,918 HKD

20 data points across 17 retailers

13 retailers

Retailer 1
-
HK$847 HKD
$108 USD
Price last confirmed 16 days ago
Retailer 2
-
HK$989 HKD
$126 USD
View
Price last confirmed 36 days ago
Retailer 3
-
HK$1,122 HKD
$143 USD
View
Price last confirmed 17 days ago
Retailer 4
-
HK$1,122 HKD
$143 USD
View
Price last confirmed 18 days ago
Retailer 5
-
HK$2,001 HKD
£201 GBP
View
Price last confirmed 16 days ago
Retailer 6
-
HK$2,103 HKD
$268 USD
View
Price last confirmed 17 days ago
Retailer 7
-
HK$2,103 HKD
$268 USD
View
Price last confirmed 13 days ago
Retailer 8
-
HK$2,300 HKD
£231 GBP
View
Price last confirmed 17 days ago
Retailer 9
-
HK$3,390 HKD
$432 USD
View
Price last confirmed 17 days ago
Retailer 10
-
HK$3,405 HKD
$434 USD
View
Price last confirmed 20 days ago
B
Retailer 11
-
HK$3,640 HKD
£365 GBP
View
Retailer 12
-
HK$5,885 HKD
$750 USD
View
Price last confirmed 16 days ago
Most Expensive
MOH London
LG604317856 · Oct 11
HK$8,918 HKD
£895 GBP
View
Price last confirmed 22 days ago
12 more retailers have this diamond
Prices start from HK$3,640 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.

B
0.90ct Radiant
HK$3,640 HKD