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Cushion|Lab Grown|IGI

3.05ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG753502671

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG753502671

Diamond specifications and retailer prices

From $1,522 NZD
As of November 6, 2026
Save $2,031 NZD (57%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,554 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion 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 LG753502671 or 753502671. Listed at 3 retailers as of November 1, 2026, with prices from $1,522 to $3,554, a $2,031 spread on the same certified stone. Rare Carat lists it at $3,554. 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

3.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG753502671
Dimensions8.55 × 8.41 × 5.23 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.55 mm8.41 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG753502671
Side View
Table 61.0%Crown 36.5°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,554 NZD|Low: $732 NZD|High: $7,757 NZD|Avg: $3,144 NZD|-3.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 19, 2026
Retailer 6$732 NZD
Retailer 3$1,522 NZD
Retailer 8$1,813 NZD
Retailer 4$1,907 NZD
Retailer 7$1,966 NZD
Retailer 2$3,110 NZD
Rare Carat$3,554 NZD
Retailer 5$5,881 NZD
Retailer 9$7,757 NZD

4 data points across 9 retailers

3 retailers$1,522 NZD to $3,554 NZD

A
Cheapest Retailer
-
$1,522 NZD
B+
Retailer 2
-
$3,110 NZD
View
Most Expensive
B
Rare Carat
LAX06-080D · Nov 1
$3,554 NZD
$1,970 USD
View
2 more retailers have this diamond
Prices start from $1,522 NZDSave up to $2,031 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
3.05ct Cushion
$1,522 NZD