CaratHunter
Plans
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 $885 NZD
$499 USD
As of October 29, 2026
Save $4,189 NZD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,074 NZD 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 $885 to $5,074, a $4,189 spread on the same certified stone. Brilliant Earth lists it at $5,074. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,074 NZD|Low: $850 NZD|High: $9,954 NZD|Avg: $2,322 NZD|-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$885 NZD
Retailer 5$992 NZD
Retailer 7$992 NZD
Retailer 9$1,043 NZD
Retailer 3$1,098 NZD
Retailer 8$1,098 NZD
Retailer 13$1,348 NZD
Retailer 12$1,473 NZD
Retailer 14$1,600 NZD
Retailer 10$1,828 NZD
Retailer 6$1,836 NZD
Retailer 2$2,409 NZD
Retailer 4$2,890 NZD
Retailer 15$4,383 NZD
Retailer 11$4,610 NZD
Brilliant Earth$5,074 NZD

44 data points across 16 retailers

21 retailers$885 NZD to $5,074 NZD

A
Cheapest Retailer
-
$885 NZD
$499 USD
A
Retailer 2
-
$992 NZD
$559 USD
View
Final sale: no returns
A
Retailer 3
-
$992 NZD
$559 USD
View
A
Retailer 4
-
$1,043 NZD
£463 GBP
View
Retailer 5
-
$1,098 NZD
$619 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,098 NZD
$619 USD
View
A
Retailer 7
-
$1,348 NZD
$760 USD
View
B+
Retailer 8
-
$1,473 NZD
$830 USD
View
A
Retailer 9
-
$1,600 NZD
€859 EUR
View
A
Retailer 10
-
$1,828 NZD
£811 GBP
View
A
Retailer 11
-
$1,836 NZD
$1,035 USD
View
B+
Retailer 12
-
$2,409 NZD
$1,358 USD
View
B+
Retailer 13
-
$2,438 NZD
$1,374 USD
View
B+
Retailer 14
-
$2,571 NZD
$1,449 USD
View
B+
Retailer 15
-
$2,606 NZD
$1,469 USD
View
B+
Retailer 16
-
$2,890 NZD
$1,629 USD
View
B
Retailer 17
-
$3,579 NZD
$2,017 USD
View
B
Retailer 18
-
$3,636 NZD
$2,049 USD
View
Retailer 19
-
$4,383 NZD
$2,470 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$4,610 NZD
£2,046 GBP
View
Most Expensive
B
Brilliant Earth
10790886A · Oct 30
$5,074 NZD
$2,860 USD
View
20 more retailers have this diamond
Prices start from $885 NZDSave up to $4,189 NZD

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
$885 NZD