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Cushion|Lab Grown|IGI

1.65ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG825660149

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825660149

Diamond specifications and retailer prices

From $1,136 NZD
$640 USD
As of October 30, 2026
Save $4,879 NZD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,015 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.65ct lab-grown cushion diamond

This 1.65ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825660149 or 825660149. Listed at 16 retailers as of October 30, 2026, with prices from $1,136 to $6,015, a $4,879 spread on the same certified stone. Brilliant Earth lists it at $6,015. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660149
Dimensions8.96 × 5.79 × 4.09 mm
L/W Ratio1.55
Girdle conditionFaceted
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
8.96 mm5.79 mm1.65 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660149
Side View
Table 62.0%Crown 34.4°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 70.6%

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: $6,015 NZD|Low: $1,136 NZD|High: $7,665 NZD|Avg: $3,414 NZD|-21.5%
Brilliant Earth
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 16$1,136 NZD
Retailer 8$1,341 NZD
Retailer 9$1,473 NZD
Retailer 4$1,911 NZD
Retailer 2$1,936 NZD
Retailer 11$2,006 NZD
Retailer 13$2,132 NZD
Retailer 14$2,273 NZD
Retailer 5$2,793 NZD
Retailer 3$3,623 NZD
Retailer 15$4,021 NZD
Retailer 6$4,137 NZD
Retailer 10$4,340 NZD
Retailer 7$5,412 NZD
Retailer 12$5,415 NZD
Brilliant Earth$6,015 NZD

31 data points across 16 retailers

16 retailers$1,136 NZD to $6,015 NZD

A
Cheapest Retailer
-
$1,136 NZD
$640 USD
Final sale: no returns
Retailer 2
-
$1,341 NZD
$756 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,473 NZD
$830 USD
View
A
Retailer 4
-
$1,911 NZD
$1,077 USD
View
A
Retailer 5
-
$1,936 NZD
£859 GBP
View
A
Retailer 6
-
$2,006 NZD
€1,077 EUR
View
A
Retailer 7
-
$2,132 NZD
ZAR 19,413 ZAR
View
A
Retailer 8
-
$2,273 NZD
$1,281 USD
View
A
Retailer 9
-
$2,793 NZD
$1,574 USD
View
B+
Retailer 10
-
$3,623 NZD
£1,608 GBP
View
B+
Retailer 11
-
$4,021 NZD
$2,266 USD
View
B+
Retailer 12
-
$4,137 NZD
SGD 3,151 SGD
View
B+
Retailer 13
-
$4,340 NZD
$2,446 USD
View
Retailer 14
-
$5,412 NZD
$3,050 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$5,415 NZD
£2,403 GBP
View
Most Expensive
B
Brilliant Earth
21434379A · Oct 30
$6,015 NZD
$3,390 USD
View
15 more retailers have this diamond
Prices start from $1,136 NZDSave up to $4,879 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
1.65ct Cushion
$1,136 NZD