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Radiant|Lab Grown|IGI

4.11ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG645413508

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

Certificate IGI LG645413508

Diamond specifications and retailer prices

From HK$4,668 HKD
$595 USD
As of November 1, 2026
Save HK$16,829 HKD (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$21,497 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.11ct lab-grown radiant diamond

This 4.11ct 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 LG645413508 or 645413508. Listed at 6 retailers as of October 28, 2026, with prices from HK$4,668 to HK$21,497, a HK$16,829 spread on the same certified stone. Rare Carat lists it at HK$21,497. 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

4.11
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645413508
Dimensions11.50 × 7.94 × 5.22 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.50 mm7.94 mm4.11 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645413508
Side View
Table 64.0%Crown 43.5°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 65.7%

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 1
Current: HK$21,497 HKD|Low: HK$3,334 HKD|High: HK$21,811 HKD|Avg: HK$11,634 HKD|+3.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 5HK$4,668 HKD
Retailer 6HK$6,237 HKD
Retailer 3HK$11,357 HKD
Retailer 2HK$11,428 HKD
Retailer 7HK$12,007 HKD
Retailer 4HK$15,001 HKD
Rare CaratHK$21,497 HKD

14 data points across 7 retailers

6 retailersHK$4,668 HKD to HK$21,497 HKD

A
Cheapest Retailer
-
HK$4,668 HKD
$595 USD
Final sale: no returns
A
Retailer 2
-
HK$6,237 HKD
$795 USD
View
A
Retailer 3
-
HK$11,357 HKD
ZAR 23,385 ZAR
View
B+
Retailer 4
-
HK$11,428 HKD
A$2,241 AUD
View
B+
Retailer 5
-
HK$15,001 HKD
$1,912 USD
View
Most Expensive
B
Rare Carat
2401986 · Oct 28
HK$21,497 HKD
$2,740 USD
View
5 more retailers have this diamond
Prices start from HK$4,668 HKDSave up to HK$16,829 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
4.11ct Radiant
HK$4,668 HKD