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Cushion|Lab Grown|IGI

3.07ct E SI1 Cushion Lab Grown Diamond

GD • E/SI1 • IGI LG638405018

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG638405018

Diamond specifications and retailer prices

From $1,614 NZD
As of November 5, 2026
Save $7,459 NZD (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,074 NZD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3.07ct lab-grown cushion diamond

This 3.07ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG638405018 or 638405018. Listed at 6 retailers as of November 5, 2026, with prices from $1,614 to $9,074, a $7,459 spread on the same certified stone. Do Amore Diamonds lists it at $9,074. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.07
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638405018
Dimensions8.47 × 8.42 × 5.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.47 mm8.42 mm3.07 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638405018
Side View
Table 61.0%Crown 35.6°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $9,074 NZD|Low: $1,506 NZD|High: $9,074 NZD|Avg: $3,739 NZD|+5.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$1,614 NZD
Retailer 5$1,766 NZD
Retailer 7$2,199 NZD
Retailer 6$2,461 NZD
Retailer 3$3,581 NZD
Retailer 2$5,500 NZD
Do Amore Diamonds$9,074 NZD

15 data points across 7 retailers

6 retailers$1,614 NZD to $9,074 NZD

B+
Cheapest Retailer
-
$1,614 NZD
B+
Retailer 2
-
$1,766 NZD
View
B
Retailer 3
-
$3,581 NZD
View
B
Retailer 4
-
$5,500 NZD
View
C
Retailer 5
-
$8,605 NZD
View
Most Expensive
C
Do Amore Diamonds
27-540D42EEB · Nov 6
$9,074 NZD
$5,030 USD
View
5 more retailers have this diamond
Prices start from $1,614 NZDSave up to $7,459 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.

B+
3.07ct Cushion
$1,614 NZD