CaratHunter
Plans
Radiant|Lab Grown|IGI

1.09ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG678501566

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

Certificate IGI LG678501566

Diamond specifications and retailer prices

From HK$1,059 HKD
$135 USD
As of November 2, 2026
Save HK$9,962 HKD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$11,021 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG678501566 or 678501566. Listed at 11 retailers as of October 29, 2026, with prices from HK$1,059 to HK$11,021, a HK$9,962 spread on the same certified stone. MOH London lists it at HK$11,021. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678501566
Dimensions7.42 × 5.01 × 3.41 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm5.01 mm1.09 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678501566
Side View
Table 63.0%Crown 42°Girdle: ThinPavilion 35.2°Culet: NoneDepth 68.1%

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$11,021 HKD|Low: HK$808 HKD|High: HK$11,101 HKD|Avg: HK$3,475 HKD|+3.0%
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 2, 2026
Retailer 7HK$1,059 HKD
Retailer 11HK$1,185 HKD
Retailer 10HK$1,232 HKD
Retailer 2HK$1,703 HKD
Retailer 3HK$2,029 HKD
Retailer 5HK$2,340 HKD
Retailer 4HK$3,829 HKD
Retailer 12HK$3,860 HKD
Retailer 8HK$4,221 HKD
Retailer 9HK$4,447 HKD
Retailer 6HK$4,457 HKD
MOH LondonHK$11,021 HKD

42 data points across 12 retailers

11 retailersHK$1,059 HKD to HK$11,021 HKD

A
Cheapest Retailer
-
HK$1,059 HKD
$135 USD
B+
Retailer 2
-
HK$1,185 HKD
$151 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$1,232 HKD
$157 USD
View
A
Retailer 4
-
HK$1,703 HKD
£171 GBP
View
B+
Retailer 5
-
HK$2,340 HKD
€284 EUR
View
B
Retailer 6
-
HK$3,860 HKD
$492 USD
View
B
Retailer 7
-
HK$4,221 HKD
$538 USD
View
Retailer 8
-
HK$4,447 HKD
SGD 766 SGD
View
Price last confirmed 21 days ago
B
Retailer 9
-
HK$4,457 HKD
$568 USD
View
C
Retailer 10
-
HK$6,732 HKD
£676 GBP
View
Most Expensive
C
MOH London
LG678501566 · Oct 29
HK$11,021 HKD
£1,106 GBP
View
10 more retailers have this diamond
Prices start from HK$1,059 HKDSave up to HK$9,962 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
1.09ct Radiant
HK$1,059 HKD