Radiant|Lab Grown|IGI

4.15ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG579366342

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

Certificate IGI LG579366342

Diamond specifications and retailer prices

From HK$4,103 HKD
$523 USD
As of October 30, 2026
Save HK$24,926 HKD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$29,029 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.15ct lab-grown radiant diamond

This 4.15ct 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 LG579366342 or 579366342. Listed at 22 retailers as of October 30, 2026, with prices from HK$4,103 to HK$29,029, a HK$24,926 spread on the same certified stone. Brilliant Earth lists it at HK$29,029. 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

4.15
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579366342
Dimensions11.80 × 7.90 × 5.19 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
11.80 mm7.90 mm4.15 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579366342
Side View
Table 64.0%Crown 44.3°Girdle: MediumPavilion 36.6°Culet: NoneDepth 65.7%

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: Oct 30
Current: HK$29,029 HKD|Low: HK$3,797 HKD|High: HK$30,441 HKD|Avg: HK$10,565 HKD|-3.6%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 9HK$4,103 HKD
Retailer 11HK$4,590 HKD
Retailer 17HK$4,598 HKD
Retailer 7HK$5,084 HKD
Retailer 2HK$5,606 HKD
Retailer 4HK$6,159 HKD
Retailer 19HK$6,826 HKD
Retailer 18HK$7,231 HKD
Retailer 12HK$8,411 HKD
Retailer 16HK$10,123 HKD
Retailer 14HK$10,194 HKD
Retailer 5HK$10,231 HKD
Retailer 13HK$11,180 HKD
Retailer 6HK$13,377 HKD
Retailer 8HK$14,826 HKD
Retailer 10HK$16,537 HKD
Retailer 3HK$16,637 HKD
Retailer 15HK$21,353 HKD
Brilliant EarthHK$29,029 HKD

40 data points across 19 retailers

22 retailersHK$4,103 HKD to HK$29,029 HKD

A
Cheapest Retailer
-
HK$4,103 HKD
$523 USD
A
Retailer 2
-
HK$4,590 HKD
$585 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,598 HKD
$586 USD
View
Retailer 4
-
HK$5,029 HKD
$641 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
HK$5,084 HKD
$648 USD
View
A
Retailer 6
-
HK$5,606 HKD
£563 GBP
View
A
Retailer 7
-
HK$6,159 HKD
$785 USD
View
B+
Retailer 8
-
HK$6,826 HKD
$870 USD
View
A
Retailer 9
-
HK$7,231 HKD
View
A
Retailer 10
-
HK$8,411 HKD
€1,021 EUR
View
A
Retailer 11
-
HK$10,123 HKD
ZAR 20,844 ZAR
View
A
Retailer 12
-
HK$10,194 HKD
A$1,999 AUD
View
A
Retailer 13
-
HK$10,231 HKD
$1,304 USD
View
B+
Retailer 14
-
HK$11,180 HKD
$1,425 USD
View
B+
Retailer 15
-
HK$13,126 HKD
$1,673 USD
View
B+
Retailer 16
-
HK$13,377 HKD
$1,705 USD
View
B+
Retailer 17
-
HK$14,826 HKD
£1,488 GBP
View
B+
Retailer 18
-
HK$16,537 HKD
$2,108 USD
View
B+
Retailer 19
-
HK$16,637 HKD
$2,120 USD
View
B
Retailer 20
-
HK$20,712 HKD
CA$3,667 CAD
View
B
Retailer 21
-
HK$21,353 HKD
£2,143 GBP
View
Most Expensive
B
Brilliant Earth
16070552A · Oct 31
HK$29,029 HKD
$3,700 USD
View
21 more retailers have this diamond
Prices start from HK$4,103 HKDSave up to HK$24,926 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
4.15ct Radiant
HK$4,103 HKD