Radiant|Lab Grown|IGI

4.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG643426765

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

Certificate IGI LG643426765

Diamond specifications and retailer prices

From $1,098 USD
As of October 30, 2026
Save $6,272 USD (85%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: $7,370 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.03ct lab-grown radiant diamond

This 4.03ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG643426765 or 643426765. Listed at 32 retailers as of October 30, 2026, with prices from $1,098 to $7,370, a $6,272 spread on the same certified stone. Brilliant Earth lists it at $7,370. 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

4.03
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643426765
Dimensions11.49 × 7.83 × 5.12 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.49 mm7.83 mm4.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643426765
Side View
Table 63.0%Crown 42.6°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 65.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $7,370 USD|Low: $1,098 USD|High: $7,370 USD|Avg: $2,711 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 2, 2026
Retailer 3$1,098 USD
Retailer 6$1,394 USD
Retailer 15$1,450 USD
Retailer 8$1,570 USD
Retailer 9$1,736 USD
Retailer 2$1,846 USD
Retailer 4$1,915 USD
Retailer 13$2,034 USD
Retailer 14$2,712 USD
Retailer 12$2,729 USD
Retailer 16$2,935 USD
Retailer 18$3,110 USD
Retailer 17$3,280 USD
Retailer 10$3,520 USD
Retailer 5$3,688 USD
Retailer 11$4,321 USD
Retailer 7$4,484 USD
Brilliant Earth$7,370 USD

42 data points across 18 retailers

32 retailers$1,098 USD to $7,370 USD

Retailer 1
-
$1,098 USD
Price last confirmed 33 days ago
A
Retailer 2
-
$1,098 USD
View
Retailer 3
-
$1,098 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$1,195 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$1,256 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$1,274 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$1,394 USD
View
Final sale: no returns
A
Retailer 8
-
$1,450 USD
View
A
Retailer 9
-
$1,549 USD
HK$12,100 HKD
View
A
Retailer 10
-
$1,570 USD
View
B+
Retailer 11
-
$1,736 USD
View
B+
Retailer 12
-
$1,846 USD
£1,454 GBP
View
B+
Retailer 13
-
$1,915 USD
View
B+
Retailer 14
-
$2,034 USD
€1,937 EUR
View
Retailer 15
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$2,388 USD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$2,388 USD
View
Retailer 17
-
$2,388 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$2,584 USD
View
B+
Retailer 19
-
$2,712 USD
ZAR 43,805 ZAR
View
B
Retailer 20
-
$2,729 USD
A$4,199 AUD
View
B
Retailer 21
-
$2,935 USD
View
Retailer 22
-
$3,015 USD
View
Price last confirmed 18 days ago
Retailer 23
-
$3,110 USD
A$4,785 AUD
View
Price last confirmed 24 days ago
B
Retailer 24
-
$3,280 USD
View
B
Retailer 25
-
$3,520 USD
£2,772 GBP
View
B
Retailer 26
-
$3,688 USD
View
B
Retailer 27
-
$4,321 USD
£3,402 GBP
View
B
Retailer 28
-
$4,453 USD
View
B
Retailer 29
-
$4,484 USD
SGD 6,060 SGD
View
B
Retailer 30
-
$4,844 USD
View
B
Retailer 31
-
$6,176 USD
£4,863 GBP
View
Most Expensive
B
Brilliant Earth
11545452A · Oct 31
$7,370 USD
View
31 more retailers have this diamond
Prices start from $1,098 USDSave up to $6,272 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.

A
4.03ct Radiant
$1,098 USD