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Oval|Lab Grown|IGI

4.03ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG781628371

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG781628371

Diamond specifications and retailer prices

From $649 USD
As of October 29, 2026
Save $4,626 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,275 USD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 4.03ct lab-grown oval diamond

This 4.03ct lab-grown oval 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 LG781628371 or 781628371. Listed at 21 retailers as of October 29, 2026, with prices from $649 to $5,275, a $4,626 spread on the same certified stone. Helzberg Diamonds lists it at $5,275. 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 angle39.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781628371
Dimensions12.88 × 8.77 × 5.38 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.88 mm8.77 mm4.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781628371
Side View
Table 65.0%Crown 39.7°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 61.3%

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 29
Current: $5,275 USD|Low: $623 USD|High: $5,275 USD|Avg: $1,654 USD
Helzberg Diamonds
Retailer 2
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Retailer 12
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Retailer 19
October 31, 2026
Retailer 4$649 USD
Retailer 18$675 USD
Retailer 9$706 USD
Retailer 6$753 USD
Retailer 8$753 USD
Retailer 13$930 USD
Retailer 3$1,078 USD
Retailer 10$1,173 USD
Retailer 2$1,199 USD
Retailer 12$1,203 USD
Retailer 16$1,603 USD
Retailer 14$1,613 USD
Retailer 19$1,757 USD
Retailer 7$2,117 USD
Retailer 11$2,347 USD
Retailer 5$2,568 USD
Retailer 17$3,035 USD
Retailer 15$3,189 USD
Helzberg Diamonds$5,275 USD

43 data points across 19 retailers

21 retailers$649 USD to $5,275 USD

A
Cheapest Retailer
-
$649 USD
Retailer 2
-
$675 USD
£532 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$706 USD
View
A
Retailer 4
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$753 USD
View
Retailer 5
-
$753 USD
View
Price last confirmed 15 days ago
A
Retailer 6
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$896 USD
HK$7,000 HKD
View
A
Retailer 7
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$930 USD
View
B+
Retailer 8
-
$1,078 USD
View
A
Retailer 9
-
$1,173 USD
View
A
Retailer 10
-
$1,199 USD
€1,142 EUR
View
A
Retailer 11
-
$1,203 USD
£947 GBP
View
B+
Retailer 12
-
$1,603 USD
ZAR 25,889 ZAR
View
B+
Retailer 13
-
$1,613 USD
A$2,482 AUD
View
B+
Retailer 14
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$1,757 USD
View
B+
Retailer 15
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$2,117 USD
View
B+
Retailer 16
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$2,347 USD
£1,848 GBP
View
B
Retailer 17
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$2,568 USD
View
B
Retailer 18
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$2,674 USD
View
Retailer 19
-
$3,035 USD
View
Price last confirmed 13 days ago
B
Retailer 20
-
$3,189 USD
£2,511 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZNOHMIOJNH · Oct 31
$5,275 USD
View
20 more retailers have this diamond
Prices start from $649 USDSave up to $4,626 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 Oval
$649 USD