CaratHunter
Plans
Asscher|Lab Grown|IGI

4.00ct F SI1 Asscher Lab Grown Diamond

EX • F/SI1 • IGI LG654456090

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG654456090

Diamond specifications and retailer prices

From $1,976 NZD
$1,112 USD
As of November 2, 2026
Save $3,782 NZD (66%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,758 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4ct lab-grown asscher diamond

This 4ct lab-grown asscher 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 LG654456090 or 654456090. Listed at 5 retailers as of October 31, 2026, with prices from $1,976 to $5,758, a $3,782 spread on the same certified stone. Brilliant Earth lists it at $5,758. 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

4.00
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654456090
Dimensions8.64 × 8.42 × 5.57 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.64 mm8.42 mm4.00 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654456090
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 39°Culet: NoneDepth 66.2%

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: Nov 2
Current: $5,758 NZD|Low: $1,976 NZD|High: $12,334 NZD|Avg: $5,895 NZD|-45.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3$1,976 NZD
Retailer 4$2,174 NZD
Retailer 2$4,310 NZD
Brilliant Earth$5,758 NZD
Retailer 5$12,334 NZD

10 data points across 5 retailers

5 retailers$1,976 NZD to $5,758 NZD

A
Cheapest Retailer
-
$1,976 NZD
$1,112 USD
A
Retailer 2
-
$2,174 NZD
$1,223 USD
View
B
Retailer 3
-
$3,927 NZD
£1,740 GBP
View
B
Retailer 4
-
$4,310 NZD
$2,425 USD
View
Most Expensive
B
Brilliant Earth
21036352A · Oct 31
$5,758 NZD
$3,240 USD
View
4 more retailers have this diamond
Prices start from $1,976 NZDSave up to $3,782 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
4.00ct Asscher
$1,976 NZD