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Radiant|Lab Grown|IGI

1.73ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG522253049

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

Certificate IGI LG522253049

Diamond specifications and retailer prices

From HK$2,581 HKD
$329 USD
As of November 2, 2026
Save HK$10,243 HKD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$12,824 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.73ct lab-grown radiant diamond

This 1.73ct 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 LG522253049 or 522253049. Listed at 18 retailers as of November 1, 2026, with prices from HK$2,581 to HK$12,824, a HK$10,243 spread on the same certified stone. MOH London lists it at HK$12,824. 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

1.73
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522253049
Dimensions7.86 × 6.12 × 4.12 mm
L/W Ratio1.28
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
7.86 mm6.12 mm1.73 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522253049
Side View
Table 66.5%Crown 45.5°Girdle: MediumPavilion 31.9°Culet: NoneDepth 67.3%

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$12,824 HKD|Low: HK$2,479 HKD|High: HK$12,974 HKD|Avg: HK$5,827 HKD|-1.1%
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 12HK$2,581 HKD
Retailer 7HK$2,887 HKD
Retailer 3HK$2,989 HKD
Retailer 4HK$3,201 HKD
Retailer 13HK$3,201 HKD
Retailer 2HK$4,095 HKD
Retailer 10HK$4,394 HKD
Retailer 5HK$4,920 HKD
Retailer 15HK$5,171 HKD
Retailer 6HK$5,280 HKD
Retailer 8HK$5,724 HKD
Retailer 11HK$9,384 HKD
Retailer 14HK$10,286 HKD
Retailer 9HK$12,083 HKD
MOH LondonHK$12,824 HKD

41 data points across 15 retailers

18 retailersHK$2,581 HKD to HK$12,824 HKD

A
Cheapest Retailer
-
HK$2,581 HKD
$329 USD
A
Retailer 2
-
HK$2,887 HKD
$368 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,989 HKD
$381 USD
View
A
Retailer 4
-
HK$3,201 HKD
$408 USD
View
Retailer 5
-
HK$3,201 HKD
$408 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$4,095 HKD
£411 GBP
View
A
Retailer 7
-
HK$4,394 HKD
$560 USD
View
B+
Retailer 8
-
HK$4,920 HKD
$627 USD
View
B+
Retailer 9
-
HK$5,171 HKD
$659 USD
View
B+
Retailer 10
-
HK$5,280 HKD
$673 USD
View
B+
Retailer 11
-
HK$5,724 HKD
£574 GBP
View
B+
Retailer 12
-
HK$6,628 HKD
View
B
Retailer 13
-
HK$9,384 HKD
$1,196 USD
View
B
Retailer 14
-
HK$10,286 HKD
$1,311 USD
View
B
Retailer 15
-
HK$10,632 HKD
$1,355 USD
View
B
Retailer 16
-
HK$12,083 HKD
$1,540 USD
View
B
Retailer 17
-
HK$12,592 HKD
$1,605 USD
View
Most Expensive
B
MOH London
LG522253049 · Nov 1
HK$12,824 HKD
£1,287 GBP
View
17 more retailers have this diamond
Prices start from HK$2,581 HKDSave up to HK$10,243 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
1.73ct Radiant
HK$2,581 HKD