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Asscher|Lab Grown|IGI

3.59ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG707520123

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG707520123

Diamond specifications and retailer prices

From $1,291 NZD
$725 USD
As of October 30, 2026
Save $2,922 NZD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,213 NZD at NZ Jewellers · As of October 29, 2026
View at NZ Jewellers

About this 3.59ct lab-grown asscher diamond

This 3.59ct 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 LG707520123 or 707520123. Listed at 10 retailers as of October 29, 2026, with prices from $1,291 to $4,213, a $2,922 spread on the same certified stone. NZ Jewellers lists it at $4,213. 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

3.59
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707520123
Dimensions8.51 × 8.50 × 5.55 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.51 mm8.50 mm3.59 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707520123
Side View
Table 68.0%Crown 38.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 65.3%

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 30
Current: $4,213 NZD|Low: $1,291 NZD|High: $10,487 NZD|Avg: $3,310 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 3$1,291 NZD
Retailer 13$1,405 NZD
Retailer 7$1,497 NZD
Retailer 10$1,755 NZD
Retailer 8$1,816 NZD
Retailer 2$1,967 NZD
Retailer 9$2,096 NZD
Retailer 4$2,099 NZD
Retailer 6$2,403 NZD
Retailer 12$2,429 NZD
NZ Jewellers$4,213 NZD
Retailer 11$6,116 NZD
Retailer 5$10,487 NZD

4 data points across 13 retailers

10 retailers$1,291 NZD to $4,213 NZD

A
Cheapest Retailer
-
$1,291 NZD
$725 USD
A
Retailer 2
-
$1,405 NZD
$789 USD
View
A
Retailer 3
-
$1,497 NZD
$841 USD
View
A
Retailer 4
-
$1,755 NZD
HK$7,700 HKD
View
A
Retailer 5
-
$1,816 NZD
$1,020 USD
View
A
Retailer 6
-
$1,967 NZD
£870 GBP
View
A
Retailer 7
-
$2,096 NZD
$1,177 USD
View
B+
Retailer 8
-
$2,403 NZD
£1,063 GBP
View
B+
Retailer 9
-
$2,429 NZD
$1,364 USD
View
Most Expensive
B
NZ Jewellers
42cf8897-3093-4aa7-a2a3-316030ece936 · Oct 29
$4,213 NZD
$2,366 USD
View
9 more retailers have this diamond
Prices start from $1,291 NZDSave up to $2,922 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
3.59ct Asscher
$1,291 NZD