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Cushion|Lab Grown|IGI

1.09ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG644488847

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG644488847

Diamond specifications and retailer prices

From $461 NZD
$260 USD
As of October 30, 2026
Save $2,941 NZD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,403 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG644488847 or 644488847. Listed at 21 retailers as of October 27, 2026, with prices from $461 to $3,403, a $2,941 spread on the same certified stone. Queensmith lists it at $3,403. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644488847
Dimensions5.57 × 5.57 × 3.50 mm
L/W Ratio1.00
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
5.57 mm5.57 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644488847
Side View
Table 57.0%Crown 31.6°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 62.8%

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: $706 NZD|Low: $461 NZD|High: $3,034 NZD|Avg: $1,325 NZD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 7$461 NZD
Retailer 2$513 NZD
Retailer 18$568 NZD
Retailer 1$706 NZD
Retailer 13$861 NZD
Retailer 16$881 NZD
Retailer 3$930 NZD
Retailer 12$968 NZD
Retailer 5$1,155 NZD
Retailer 15$1,243 NZD
Retailer 17$1,251 NZD
Retailer 19$1,293 NZD
Retailer 8$1,384 NZD
Retailer 6$1,742 NZD
Retailer 9$1,780 NZD
Retailer 11$1,890 NZD
Retailer 14$2,066 NZD
Retailer 4$2,305 NZD
Retailer 10$3,034 NZD

39 data points across 19 retailers

21 retailers$461 NZD to $3,403 NZD

A
Cheapest Retailer
-
$461 NZD
$260 USD
Final sale: no returns
A
Retailer 2
-
$513 NZD
$289 USD
View
A
Retailer 3
-
$568 NZD
HK$2,500 HKD
View
A
Retailer 4
-
$706 NZD
$398 USD
View
A
Retailer 5
-
$861 NZD
€462 EUR
View
A
Retailer 6
-
$881 NZD
ZAR 8,023 ZAR
View
A
Retailer 7
-
$930 NZD
$524 USD
View
A
Retailer 8
-
$968 NZD
£430 GBP
View
A
Retailer 9
-
$1,057 NZD
$596 USD
View
A
Retailer 10
-
$1,155 NZD
$651 USD
View
A
Retailer 11
-
$1,243 NZD
A$1,078 AUD
View
A
Retailer 12
-
$1,251 NZD
A$1,085 AUD
View
A
Retailer 13
-
$1,293 NZD
$729 USD
View
A
Retailer 14
-
$1,384 NZD
SGD 1,054 SGD
View
B+
Retailer 15
-
$1,742 NZD
$982 USD
View
B+
Retailer 16
-
$1,780 NZD
$1,003 USD
View
Retailer 17
-
$1,890 NZD
A$1,639 AUD
View
Price last confirmed 26 days ago
B+
Retailer 18
-
$2,066 NZD
£917 GBP
View
B+
Retailer 19
-
$2,305 NZD
$1,299 USD
View
B
Retailer 20
-
$3,034 NZD
$1,710 USD
View
Most Expensive
B
Queensmith
LG644488847 · Oct 27
$3,403 NZD
£1,510 GBP
View
20 more retailers have this diamond
Prices start from $461 NZDSave up to $2,941 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
1.09ct Cushion
$461 NZD