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Oval|Lab Grown|IGI

4.22ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG578352134

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG578352134

Diamond specifications and retailer prices

From $710 AUD
$499 USD
As of October 29, 2026
Save $3,361 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,071 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.22ct lab-grown oval diamond

This 4.22ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG578352134 or 578352134. Listed at 21 retailers as of October 29, 2026, with prices from $710 to $4,071, a $3,361 spread on the same certified stone. Brilliant Earth lists it at $4,071. 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

4.22
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578352134
Dimensions13.02 × 8.80 × 5.76 mm
L/W Ratio1.48
Girdle conditionFaceted
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
13.02 mm8.80 mm4.22 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578352134
Side View
Table 60.0%Crown 38°Girdle: MED-STKPavilion 41°Culet: NoneDepth 65.5%

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: $4,071 AUD|Low: $682 AUD|High: $7,986 AUD|Avg: $1,863 AUD|-49.0%
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
Retailer 16
October 31, 2026
Retailer 16$710 AUD
Retailer 5$796 AUD
Retailer 7$796 AUD
Retailer 9$837 AUD
Retailer 3$881 AUD
Retailer 8$881 AUD
Retailer 13$1,082 AUD
Retailer 12$1,182 AUD
Retailer 14$1,284 AUD
Retailer 10$1,467 AUD
Retailer 6$1,473 AUD
Retailer 2$1,933 AUD
Retailer 4$2,319 AUD
Retailer 15$3,516 AUD
Retailer 11$3,699 AUD
Brilliant Earth$4,071 AUD

44 data points across 16 retailers

21 retailers$710 AUD to $4,071 AUD

A
Cheapest Retailer
-
$710 AUD
$499 USD
A
Retailer 2
-
$796 AUD
$559 USD
View
Final sale: no returns
A
Retailer 3
-
$796 AUD
$559 USD
View
A
Retailer 4
-
$837 AUD
£463 GBP
View
Retailer 5
-
$881 AUD
$619 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$881 AUD
$619 USD
View
A
Retailer 7
-
$1,082 AUD
$760 USD
View
B+
Retailer 8
-
$1,182 AUD
$830 USD
View
A
Retailer 9
-
$1,284 AUD
€859 EUR
View
A
Retailer 10
-
$1,467 AUD
£811 GBP
View
A
Retailer 11
-
$1,473 AUD
$1,035 USD
View
B+
Retailer 12
-
$1,933 AUD
$1,358 USD
View
B+
Retailer 13
-
$1,956 AUD
$1,374 USD
View
B+
Retailer 14
-
$2,063 AUD
$1,449 USD
View
B+
Retailer 15
-
$2,091 AUD
$1,469 USD
View
B+
Retailer 16
-
$2,319 AUD
$1,629 USD
View
B
Retailer 17
-
$2,871 AUD
$2,017 USD
View
B
Retailer 18
-
$2,917 AUD
$2,049 USD
View
Retailer 19
-
$3,516 AUD
$2,470 USD
View
Price last confirmed 9 days ago
B
Retailer 20
-
$3,699 AUD
£2,046 GBP
View
Most Expensive
B
Brilliant Earth
10790886A · Oct 30
$4,071 AUD
$2,860 USD
View
20 more retailers have this diamond
Prices start from $710 AUDSave up to $3,361 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
4.22ct Oval
$710 AUD