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Cushion|Lab Grown|IGI

1.45ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG836612116

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836612116

Diamond specifications and retailer prices

From $919 NZD
As of November 4, 2026
Save $4,093 NZD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,012 NZD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836612116 or 836612116. Listed at 17 retailers as of November 4, 2026, with prices from $919 to $5,012, a $4,093 spread on the same certified stone. Helzberg Diamonds lists it at $5,012. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612116
Dimensions7.92 × 5.68 × 3.84 mm
L/W Ratio1.39
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
7.92 mm5.68 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612116
Side View
Table 62.0%Crown 34.7°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 67.6%

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: Nov 4
Current: $5,012 NZD|Low: $919 NZD|High: $6,209 NZD|Avg: $2,691 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 10$919 NZD
Retailer 6$962 NZD
Retailer 9$1,169 NZD
Retailer 12$1,414 NZD
Retailer 2$1,448 NZD
Retailer 4$1,552 NZD
Retailer 3$1,705 NZD
Retailer 17$1,765 NZD
Retailer 5$2,013 NZD
Retailer 13$2,175 NZD
Retailer 15$2,938 NZD
Retailer 8$3,406 NZD
Retailer 14$3,424 NZD
Retailer 16$3,764 NZD
Retailer 7$3,938 NZD
Retailer 11$4,967 NZD
Helzberg Diamonds$5,012 NZD

29 data points across 17 retailers

17 retailers$919 NZD to $5,012 NZD

A
Cheapest Retailer
-
$919 NZD
A
Retailer 2
-
$962 NZD
View
Final sale: no returns
Retailer 3
-
$1,169 NZD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$1,414 NZD
View
A
Retailer 5
-
$1,448 NZD
View
A
Retailer 6
-
$1,552 NZD
View
A
Retailer 7
-
$1,705 NZD
View
A
Retailer 8
-
$1,765 NZD
View
A
Retailer 9
-
$2,013 NZD
View
A
Retailer 10
-
$2,175 NZD
View
B+
Retailer 11
-
$2,938 NZD
View
Retailer 12
-
$3,406 NZD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$3,424 NZD
View
B+
Retailer 14
-
$3,764 NZD
View
B
Retailer 15
-
$3,938 NZD
View
B
Retailer 16
-
$4,967 NZD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHIHHM · Nov 4
$5,012 NZD
$2,825 USD
View
16 more retailers have this diamond
Prices start from $919 NZDSave up to $4,093 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
1.45ct Cushion
$919 NZD