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Oval|Lab Grown|IGI

4.01ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG791602975

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG791602975

Diamond specifications and retailer prices

From $664 AUD
£366 GBP
As of October 27, 2026
Save $3,574 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,238 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.01ct lab-grown oval diamond

This 4.01ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG791602975 or 791602975. Listed at 17 retailers as of October 27, 2026, with prices from $664 to $4,238, a $3,574 spread on the same certified stone. Brilliant Earth lists it at $4,238. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791602975
Dimensions12.81 × 8.81 × 5.54 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.81 mm8.81 mm4.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791602975
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $4,238 AUD|Low: $662 AUD|High: $4,238 AUD|Avg: $1,737 AUD
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
October 31, 2026
Retailer 10$664 AUD
Retailer 7$691 AUD
Retailer 12$840 AUD
Retailer 9$913 AUD
Retailer 2$1,170 AUD
Retailer 3$1,207 AUD
Retailer 5$1,251 AUD
Retailer 11$1,259 AUD
Retailer 4$1,624 AUD
Retailer 8$1,760 AUD
Retailer 15$1,846 AUD
Retailer 6$2,439 AUD
Retailer 14$2,832 AUD
Retailer 13$3,075 AUD
Brilliant Earth$4,238 AUD

36 data points across 15 retailers

17 retailers$664 AUD to $4,238 AUD

Retailer 1
-
$619 AUD
$434 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$664 AUD
£366 GBP
View
Retailer 3
-
$768 AUD
$538 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$840 AUD
HK$4,600 HKD
View
Retailer 5
-
$913 AUD
$640 USD
View
Price last confirmed 6 days ago
A
Retailer 6
-
$1,170 AUD
€781 EUR
View
Retailer 7
-
$1,207 AUD
$846 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$1,251 AUD
$877 USD
View
A
Retailer 9
-
$1,259 AUD
£695 GBP
View
A
Retailer 10
-
$1,624 AUD
$1,138 USD
View
B+
Retailer 11
-
$1,760 AUD
View
B+
Retailer 12
-
$1,846 AUD
$1,294 USD
View
B
Retailer 13
-
$2,439 AUD
SGD 2,310 SGD
View
Retailer 14
-
$2,466 AUD
$1,728 USD
View
Price last confirmed 26 days ago
Retailer 15
-
$2,832 AUD
£1,563 GBP
View
Price last confirmed 14 days ago
Retailer 16
-
$3,075 AUD
$2,155 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
18783405A · Oct 31
$4,238 AUD
$2,970 USD
View
16 more retailers have this diamond
Prices start from $664 AUDSave up to $3,574 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
4.01ct Oval
$664 AUD