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Asscher|Lab Grown|IGI

3.09ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG639454981

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG639454981

Diamond specifications and retailer prices

From $2,960 NZD
£1,309 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $2,960 NZD at Diamond Quarter
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 Diamond Quarter

About this 3.09ct lab-grown asscher diamond

This 3.09ct 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 LG639454981 or 639454981. Listed at a single retailer as of October 29, 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

3.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639454981
Dimensions8.06 × 8.02 × 5.26 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.06 mm8.02 mm3.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639454981
Side View
Table 64.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 65.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,630 NZD|Low: $1,413 NZD|High: $8,956 NZD|Avg: $5,672 NZD|+15.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
April 14, 2026
Retailer 6$1,413 NZD
Retailer 1$1,630 NZD
Retailer 2$1,757 NZD
Retailer 8$5,495 NZD
Retailer 3$6,214 NZD
Retailer 5$6,627 NZD
Retailer 4$7,460 NZD
Retailer 7$7,460 NZD
Retailer 9$8,956 NZD

23 data points across 9 retailers

1 retailer

B
Diamond Quarter
3.09SI1ELG81B93EN · Oct 29
$2,960 NZD
£1,309 GBP
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
3.09ct Asscher
$2,960 NZD