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Radiant|Lab Grown|IGI

4.23ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG566301524

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

Certificate IGI LG566301524

Diamond specifications and retailer prices

From HK$16,562 HKD
$2,111 USD
As of November 2, 2026
Save HK$7,132 HKD (30%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$23,694 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.23ct lab-grown radiant diamond

This 4.23ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG566301524 or 566301524. Listed at 3 retailers as of October 31, 2026, with prices from HK$16,562 to HK$23,694, a HK$7,132 spread on the same certified stone. Brilliant Earth lists it at HK$23,694. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.23
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566301524
Dimensions11.72 × 7.84 × 5.26 mm
L/W Ratio1.49
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
11.72 mm7.84 mm4.23 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566301524
Side View
Table 67.0%Crown 42°Girdle: Slightly ThickPavilion 34°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$23,694 HKD|Low: HK$4,503 HKD|High: HK$67,065 HKD|Avg: HK$15,718 HKD
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 16
October 13, 2026
Retailer 10HK$4,503 HKD
Retailer 8HK$5,839 HKD
Retailer 12HK$6,080 HKD
Retailer 15HK$6,685 HKD
Retailer 2HK$7,950 HKD
Retailer 11HK$9,711 HKD
Retailer 16HK$10,537 HKD
Retailer 14HK$11,098 HKD
Retailer 5HK$12,820 HKD
Retailer 13HK$14,587 HKD
Retailer 3HK$16,246 HKD
Retailer 4HK$16,407 HKD
Retailer 9HK$16,562 HKD
Retailer 6HK$21,116 HKD
Brilliant EarthHK$23,694 HKD
Retailer 7HK$67,065 HKD

10 data points across 16 retailers

3 retailersHK$16,562 HKD to HK$23,694 HKD

Retailer 1
-
HK$13,156 HKD
Price last confirmed 59 days ago
B+
Retailer 2
-
HK$16,562 HKD
$2,111 USD
View
Most Expensive
B
Brilliant Earth
16084945A · Oct 31
HK$23,694 HKD
$3,020 USD
View
2 more retailers have this diamond
Prices start from HK$16,562 HKDSave up to HK$7,132 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.

B+
4.23ct Radiant
HK$16,562 HKD