CaratHunter
Plans
Cushion|Lab Grown|IGI

3.09ct E SI1 Cushion Lab Grown Diamond

GD • E/SI1 • IGI LG544281289

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG544281289

Diamond specifications and retailer prices

From $1,068 NZD
As of November 6, 2026
Save $3,862 NZD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,930 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 3.09ct lab-grown cushion diamond

This 3.09ct 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 LG544281289 or 544281289. Listed at 12 retailers as of November 5, 2026, with prices from $1,068 to $4,930, a $3,862 spread on the same certified stone. MOH London lists it at $4,930. 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

3.09
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544281289
Dimensions8.50 × 8.28 × 5.21 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.50 mm8.28 mm3.09 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544281289
Side View
Table 57.5%Crown 32.9°Girdle: MED-THKPavilion 33.7°Culet: NoneDepth 62.9%

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: Nov 6
Current: $4,930 NZD|Low: $1,068 NZD|High: $5,003 NZD|Avg: $2,370 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7$1,068 NZD
Retailer 8$1,292 NZD
Retailer 3$1,425 NZD
Retailer 6$1,692 NZD
Retailer 2$1,818 NZD
Retailer 5$1,835 NZD
Retailer 9$1,945 NZD
Retailer 4$3,599 NZD
Retailer 10$4,048 NZD
MOH London$4,930 NZD

29 data points across 10 retailers

12 retailers$1,068 NZD to $4,930 NZD

A
Cheapest Retailer
-
$1,068 NZD
Final sale: no returns
Retailer 2
-
$1,292 NZD
View
Price last confirmed 54 days ago
B+
Retailer 3
-
$1,425 NZD
View
B+
Retailer 4
-
$1,692 NZD
View
B+
Retailer 5
-
$1,818 NZD
View
Retailer 6
-
$1,827 NZD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$1,835 NZD
View
B+
Retailer 8
-
$1,945 NZD
View
Retailer 9
-
$3,599 NZD
View
Price last confirmed 18 days ago
B
Retailer 10
-
$3,848 NZD
View
B
Retailer 11
-
$4,048 NZD
View
Most Expensive
B
MOH London
LG544281289 · Nov 5
$4,930 NZD
£2,152 GBP
View
11 more retailers have this diamond
Prices start from $1,068 NZDSave up to $3,862 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
3.09ct Cushion
$1,068 NZD