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Radiant|Lab Grown|IGI

1.23ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG623483179

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

Certificate IGI LG623483179

Diamond specifications and retailer prices

From HK$1,857 HKD
As of November 6, 2026
Save HK$8,876 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$10,734 HKD at Taylor and Hart · As of November 6, 2026
View at Taylor and Hart

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623483179 or 623483179. Listed at 16 retailers as of November 6, 2026, with prices from HK$1,857 to HK$10,734, a HK$8,876 spread on the same certified stone. Taylor and Hart lists it at HK$10,734. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623483179
Dimensions7.54 × 5.37 × 3.51 mm
L/W Ratio1.40
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
7.54 mm5.37 mm1.23 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623483179
Side View
Table 62.0%Crown 43°Girdle: Slightly ThickPavilion 33.8°Culet: NoneDepth 65.4%

Caratlytics Score

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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 6
Current: HK$3,770 HKD|Low: HK$1,325 HKD|High: HK$10,734 HKD|Avg: HK$5,420 HKD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 5, 2026
Retailer 11HK$1,857 HKD
Retailer 10HK$3,535 HKD
Retailer 5HK$3,550 HKD
Retailer 2HK$3,582 HKD
Retailer 7HK$3,746 HKD
Retailer 1HK$3,770 HKD
Retailer 4HK$5,032 HKD
Retailer 9HK$5,290 HKD
Retailer 8HK$6,638 HKD
Retailer 6HK$8,245 HKD
Retailer 3HK$8,339 HKD
Taylor and HartHK$10,734 HKD

41 data points across 12 retailers

16 retailersHK$1,857 HKD to HK$10,734 HKD

A
Cheapest Retailer
-
HK$1,857 HKD
Final sale: no returns
Retailer 2
-
HK$1,928 HKD
View
Price last confirmed 41 days ago
Retailer 3
-
HK$2,061 HKD
View
Price last confirmed 35 days ago
A
Retailer 4
-
HK$3,535 HKD
View
A
Retailer 5
-
HK$3,550 HKD
View
A
Retailer 6
-
HK$3,582 HKD
View
A
Retailer 7
-
HK$3,746 HKD
View
A
Retailer 8
-
HK$3,770 HKD
View
B+
Retailer 9
-
HK$5,032 HKD
View
Retailer 10
-
HK$5,290 HKD
View
Price last confirmed 17 days ago
B+
Retailer 11
-
HK$6,176 HKD
View
Retailer 12
-
HK$6,623 HKD
View
Price last confirmed 38 days ago
B
Retailer 13
-
HK$6,638 HKD
View
B
Retailer 14
-
HK$8,245 HKD
View
B
Retailer 15
-
HK$8,339 HKD
View
Most Expensive
B
Taylor and Hart
J5465LD · Nov 6
HK$10,734 HKD
$1,370 USD
View
15 more retailers have this diamond
Prices start from HK$1,857 HKDSave up to HK$8,876 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
1.23ct Radiant
HK$1,857 HKD