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 $2,111 USD
As of October 30, 2026
Save $909 USD (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,020 USD at Brilliant Earth · As of October 29, 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 4 retailers as of October 29, 2026, with prices from $2,111 to $3,020, a $909 spread on the same certified stone. Brilliant Earth lists it at $3,020. 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
Color
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

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $3,020 USD|Low: $409 USD|High: $8,548 USD|Avg: $2,005 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 13, 2026
Retailer 10$574 USD
Retailer 8$744 USD
Retailer 12$775 USD
Retailer 15$852 USD
Retailer 2$1,013 USD
Retailer 11$1,238 USD
Retailer 16$1,343 USD
Retailer 14$1,415 USD
Retailer 5$1,634 USD
Retailer 13$1,859 USD
Retailer 3$2,071 USD
Retailer 4$2,091 USD
Retailer 9$2,111 USD
Retailer 6$2,691 USD
Brilliant Earth$3,020 USD
Retailer 7$8,548 USD

11 data points across 16 retailers

4 retailers$2,111 USD to $3,020 USD

Retailer 1
-
$1,238 USD
ZAR 19,995 ZAR
Price last confirmed 41 days ago
Retailer 2
-
$1,677 USD
HK$13,100 HKD
View
Price last confirmed 57 days ago
B
Retailer 3
-
$2,111 USD
View
Most Expensive
B
Brilliant Earth
16084945A · Oct 29
$3,020 USD
View
3 more retailers have this diamond
Prices start from $2,111 USDSave up to $909 USD

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
$2,111 USD