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Radiant|Lab Grown|IGI

1.00ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG649405924

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

Certificate IGI LG649405924

Diamond specifications and retailer prices

From HK$1,805 HKD
$230 USD
As of November 1, 2026
Save HK$5,689 HKD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$7,493 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG649405924 or 649405924. Listed at 12 retailers as of October 29, 2026, with prices from HK$1,805 to HK$7,493, a HK$5,689 spread on the same certified stone. MOH London lists it at HK$7,493. 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

1.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405924
Dimensions7.18 × 4.93 × 3.23 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm4.93 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405924
Side View
Table 66.0%Crown 43.6°Girdle: MediumPavilion 32.7°Culet: NoneDepth 65.5%

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 1
Current: HK$7,493 HKD|Low: HK$1,805 HKD|High: HK$7,543 HKD|Avg: HK$3,540 HKD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6HK$1,805 HKD
Retailer 4HK$2,660 HKD
Retailer 2HK$2,822 HKD
Retailer 5HK$3,358 HKD
Retailer 3HK$3,531 HKD
MOH LondonHK$7,493 HKD

41 data points across 6 retailers

12 retailersHK$1,805 HKD to HK$7,493 HKD

A
Cheapest Retailer
-
HK$1,805 HKD
$230 USD
A
Retailer 2
-
HK$2,660 HKD
$339 USD
View
A
Retailer 3
-
HK$2,822 HKD
£283 GBP
View
Retailer 4
-
HK$3,021 HKD
$385 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
HK$3,060 HKD
$390 USD
View
Retailer 6
-
HK$3,099 HKD
$395 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
HK$3,295 HKD
$420 USD
View
B+
Retailer 8
-
HK$3,358 HKD
$428 USD
View
B+
Retailer 9
-
HK$3,531 HKD
$450 USD
View
B+
Retailer 10
-
HK$3,570 HKD
$455 USD
View
B
Retailer 11
-
HK$6,427 HKD
£645 GBP
View
Most Expensive
B
MOH London
LG649405924 · Oct 29
HK$7,493 HKD
£752 GBP
View
11 more retailers have this diamond
Prices start from HK$1,805 HKDSave up to HK$5,689 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
1.00ct Radiant
HK$1,805 HKD