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Radiant|Lab Grown|IGI

1.61ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG629440726

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

Certificate IGI LG629440726

Diamond specifications and retailer prices

From HK$1,577 HKD
$201 USD
As of November 2, 2026
Save HK$7,580 HKD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,157 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.61ct lab-grown radiant diamond

This 1.61ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629440726 or 629440726. Listed at 15 retailers as of November 2, 2026, with prices from HK$1,577 to HK$9,157, a HK$7,580 spread on the same certified stone. MOH London lists it at HK$9,157. 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

1.61
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629440726
Dimensions8.39 × 5.86 × 3.86 mm
L/W Ratio1.43
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
8.39 mm5.86 mm1.61 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629440726
Side View
Table 64.0%Crown 42.7°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 65.9%

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: HK$9,157 HKD|Low: HK$1,569 HKD|High: HK$9,157 HKD|Avg: HK$3,885 HKD|+12.6%
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
November 2, 2026
Retailer 5HK$1,577 HKD
Retailer 6HK$1,765 HKD
Retailer 3HK$1,828 HKD
Retailer 11HK$1,962 HKD
Retailer 7HK$2,024 HKD
Retailer 15HK$2,628 HKD
Retailer 2HK$3,567 HKD
Retailer 8HK$3,593 HKD
Retailer 12HK$4,002 HKD
Retailer 4HK$4,041 HKD
Retailer 10HK$5,053 HKD
Retailer 13HK$6,293 HKD
Retailer 14HK$7,336 HKD
Retailer 9HK$8,395 HKD
MOH LondonHK$9,157 HKD

44 data points across 15 retailers

15 retailersHK$1,577 HKD to HK$9,157 HKD

A
Cheapest Retailer
-
HK$1,577 HKD
$201 USD
A
Retailer 2
-
HK$1,765 HKD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,828 HKD
$233 USD
View
A
Retailer 4
-
HK$1,962 HKD
$250 USD
View
Retailer 5
-
HK$2,024 HKD
$258 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$2,628 HKD
$335 USD
View
A
Retailer 7
-
HK$3,567 HKD
€433 EUR
View
A
Retailer 8
-
HK$3,593 HKD
£361 GBP
View
A
Retailer 9
-
HK$4,002 HKD
$510 USD
View
A
Retailer 10
-
HK$4,041 HKD
$515 USD
View
B+
Retailer 11
-
HK$5,053 HKD
$644 USD
View
B+
Retailer 12
-
HK$6,293 HKD
$802 USD
View
B+
Retailer 13
-
HK$7,336 HKD
$935 USD
View
B
Retailer 14
-
HK$8,395 HKD
$1,070 USD
View
Most Expensive
B
MOH London
LG629440726 · Nov 2
HK$9,157 HKD
£919 GBP
View
14 more retailers have this diamond
Prices start from HK$1,577 HKDSave up to HK$7,580 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
1.61ct Radiant
HK$1,577 HKD