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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 $669 SGD
$523 USD
As of October 30, 2026
Save $4,061 SGD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,730 SGD 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 $669 to $4,730, a $4,061 spread on the same certified stone. Brilliant Earth lists it at $4,730. 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: $4,730 SGD|Low: $619 SGD|High: $4,960 SGD|Avg: $1,721 SGD|-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 9$669 SGD
Retailer 11$748 SGD
Retailer 17$749 SGD
Retailer 7$828 SGD
Retailer 2$913 SGD
Retailer 4$1,004 SGD
Retailer 19$1,112 SGD
Retailer 18$1,178 SGD
Retailer 12$1,371 SGD
Retailer 16$1,649 SGD
Retailer 14$1,661 SGD
Retailer 5$1,667 SGD
Retailer 13$1,822 SGD
Retailer 6$2,180 SGD
Retailer 8$2,416 SGD
Retailer 10$2,695 SGD
Retailer 3$2,711 SGD
Retailer 15$3,479 SGD
Brilliant Earth$4,730 SGD

40 data points across 19 retailers

22 retailers$669 SGD to $4,730 SGD

A
Cheapest Retailer
-
$669 SGD
$523 USD
A
Retailer 2
-
$748 SGD
$585 USD
View
Final sale: no returns
A
Retailer 3
-
$749 SGD
$586 USD
View
Retailer 4
-
$819 SGD
$641 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$828 SGD
$648 USD
View
A
Retailer 6
-
$913 SGD
£563 GBP
View
A
Retailer 7
-
$1,004 SGD
$785 USD
View
B+
Retailer 8
-
$1,112 SGD
$870 USD
View
A
Retailer 9
-
$1,178 SGD
HK$7,200 HKD
View
A
Retailer 10
-
$1,371 SGD
€1,021 EUR
View
A
Retailer 11
-
$1,649 SGD
ZAR 20,844 ZAR
View
A
Retailer 12
-
$1,661 SGD
A$1,999 AUD
View
A
Retailer 13
-
$1,667 SGD
$1,304 USD
View
B+
Retailer 14
-
$1,822 SGD
$1,425 USD
View
B+
Retailer 15
-
$2,139 SGD
$1,673 USD
View
B+
Retailer 16
-
$2,180 SGD
$1,705 USD
View
B+
Retailer 17
-
$2,416 SGD
£1,488 GBP
View
B+
Retailer 18
-
$2,695 SGD
$2,108 USD
View
B+
Retailer 19
-
$2,711 SGD
$2,120 USD
View
B
Retailer 20
-
$3,375 SGD
CA$3,667 CAD
View
B
Retailer 21
-
$3,479 SGD
£2,143 GBP
View
Most Expensive
B
Brilliant Earth
16070552A · Oct 31
$4,730 SGD
$3,700 USD
View
21 more retailers have this diamond
Prices start from $669 SGDSave up to $4,061 SGD

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
$669 SGD