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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 $926 AUD
$649 USD
As of November 1, 2026
Save $6,601 AUD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,527 AUD at Helzberg Diamonds · As of November 2, 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 November 1, 2026, with prices from $926 to $7,527, a $6,601 spread on the same certified stone. Helzberg Diamonds lists it at $7,527. 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
Colour
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

How it works →
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: Nov 1
Current: $7,527 AUD|Low: $889 AUD|High: $7,527 AUD|Avg: $2,368 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 4$926 AUD
Retailer 18$964 AUD
Retailer 9$1,007 AUD
Retailer 6$1,074 AUD
Retailer 8$1,074 AUD
Retailer 14$1,327 AUD
Retailer 3$1,538 AUD
Retailer 10$1,674 AUD
Retailer 13$1,711 AUD
Retailer 2$1,717 AUD
Retailer 16$2,287 AUD
Retailer 15$2,302 AUD
Retailer 19$2,507 AUD
Retailer 7$3,021 AUD
Retailer 11$3,349 AUD
Retailer 5$3,664 AUD
Retailer 17$4,331 AUD
Retailer 12$4,527 AUD
Helzberg Diamonds$7,527 AUD

43 data points across 19 retailers

21 retailers$926 AUD to $7,527 AUD

A
Cheapest Retailer
-
$926 AUD
$649 USD
Retailer 2
-
$964 AUD
£532 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,007 AUD
$706 USD
View
A
Retailer 4
-
$1,074 AUD
$753 USD
View
Retailer 5
-
$1,074 AUD
$753 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,279 AUD
HK$7,000 HKD
View
A
Retailer 7
-
$1,327 AUD
$930 USD
View
B+
Retailer 8
-
$1,538 AUD
$1,078 USD
View
A
Retailer 9
-
$1,674 AUD
$1,173 USD
View
A
Retailer 10
-
$1,711 AUD
€1,142 EUR
View
A
Retailer 11
-
$1,717 AUD
£947 GBP
View
B+
Retailer 12
-
$2,287 AUD
ZAR 25,889 ZAR
View
B+
Retailer 13
-
$2,302 AUD
View
B+
Retailer 14
-
$2,507 AUD
$1,757 USD
View
B+
Retailer 15
-
$3,021 AUD
$2,117 USD
View
B+
Retailer 16
-
$3,349 AUD
£1,848 GBP
View
B
Retailer 17
-
$3,664 AUD
$2,568 USD
View
B
Retailer 18
-
$3,816 AUD
$2,674 USD
View
Retailer 19
-
$4,331 AUD
$3,035 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$4,527 AUD
£2,498 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZNOHMIOJNH · Nov 2
$7,527 AUD
$5,275 USD
View
20 more retailers have this diamond
Prices start from $926 AUDSave up to $6,601 AUD

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
$926 AUD