CaratHunter
Plans
Asscher|Lab Grown|IGI

3.00ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG839603651

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG839603651

Diamond specifications and retailer prices

From $687 NZD
$386 USD
As of October 27, 2026
Save $7,378 NZD (91%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,066 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3ct lab-grown asscher diamond

This 3ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839603651 or 839603651. Listed at 18 retailers as of October 27, 2026, with prices from $687 to $8,066, a $7,378 spread on the same certified stone. Brilliant Earth lists it at $8,066. 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

3.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839603651
Dimensions8.41 × 7.99 × 4.89 mm
L/W Ratio1.05
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.41 mm7.99 mm3.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839603651
Side View
Table 76.0%Crown 42.5°Girdle: MediumPavilion 42.1°Culet: LargeDepth 61.2%

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: Oct 27
Current: $8,066 NZD|Low: $678 NZD|High: $8,066 NZD|Avg: $2,217 NZD
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
Retailer 17
Retailer 18
October 30, 2026
Retailer 17$687 NZD
Retailer 18$767 NZD
Retailer 16$769 NZD
Retailer 10$842 NZD
Retailer 11$851 NZD
Retailer 15$1,113 NZD
Retailer 5$1,143 NZD
Retailer 12$1,368 NZD
Retailer 7$1,526 NZD
Retailer 2$1,543 NZD
Retailer 9$2,361 NZD
Retailer 3$2,713 NZD
Retailer 13$2,738 NZD
Retailer 6$2,805 NZD
Retailer 14$3,181 NZD
Retailer 4$3,333 NZD
Retailer 8$4,068 NZD
Brilliant Earth$8,066 NZD

40 data points across 18 retailers

18 retailers$687 NZD to $8,066 NZD

A
Cheapest Retailer
-
$687 NZD
$386 USD
A
Retailer 2
-
$767 NZD
$431 USD
View
Final sale: no returns
A
Retailer 3
-
$769 NZD
$432 USD
View
A
Retailer 4
-
$842 NZD
$473 USD
View
A
Retailer 5
-
$851 NZD
$478 USD
View
A
Retailer 6
-
$1,113 NZD
$625 USD
View
B+
Retailer 7
-
$1,143 NZD
$642 USD
View
A
Retailer 8
-
$1,368 NZD
€732 EUR
View
A
Retailer 9
-
$1,526 NZD
$857 USD
View
A
Retailer 10
-
$1,543 NZD
£682 GBP
View
B+
Retailer 11
-
$2,361 NZD
$1,326 USD
View
B+
Retailer 12
-
$2,713 NZD
SGD 2,059 SGD
View
B+
Retailer 13
-
$2,738 NZD
$1,538 USD
View
B+
Retailer 14
-
$2,805 NZD
$1,575 USD
View
B
Retailer 15
-
$3,181 NZD
$1,786 USD
View
B
Retailer 16
-
$3,333 NZD
£1,474 GBP
View
B
Retailer 17
-
$4,068 NZD
$2,285 USD
View
Most Expensive
B
Brilliant Earth
21728445A · Oct 28
$8,066 NZD
$4,530 USD
View
17 more retailers have this diamond
Prices start from $687 NZDSave up to $7,378 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
3.00ct Asscher
$687 NZD