CaratHunter
Plans
Round|Lab Grown|IGI

4.26ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG598322629

Shape and cutting style on the report: Round brilliant

Certificate IGI LG598322629

Diamond specifications and retailer prices

From $5,092 NZD
$2,870 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $5,092 NZD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 4.26ct lab-grown round diamond

This 4.26ct lab-grown round 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 LG598322629 or 598322629. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

4.26
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598322629
Dimensions10.52 × 10.46 × 6.39 mm
L/W Ratio1.01
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
10.52 mm10.46 mm4.26 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598322629
Side View
Table 57.0%Crown 33.8°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,092 NZD|Low: $768 NZD|High: $10,007 NZD|Avg: $3,230 NZD|-8.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
July 8, 2026
Retailer 6$768 NZD
Retailer 2$1,286 NZD
Retailer 5$1,366 NZD
Retailer 7$1,758 NZD
Retailer 10$2,218 NZD
Retailer 4$2,645 NZD
Retailer 8$3,467 NZD
Retailer 9$3,698 NZD
Retailer 3$3,897 NZD
Retailer 11$4,208 NZD
Brilliant Earth$5,092 NZD

69 data points across 11 retailers

1 retailer

B
Brilliant Earth
10792579A · Oct 31
$5,092 NZD
$2,870 USD
View

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.

B
4.26ct Round
$5,092 NZD