CaratHunter
Plans
Cushion|Lab Grown|IGI

1.86ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG744513209

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG744513209

Diamond specifications and retailer prices

From $907 NZD
$511 USD
As of November 1, 2026
Save $5,765 NZD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,671 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.86ct lab-grown cushion diamond

This 1.86ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744513209 or 744513209. Listed at 13 retailers as of October 31, 2026, with prices from $907 to $6,671, a $5,765 spread on the same certified stone. Brilliant Earth lists it at $6,671. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513209
Dimensions8.21 × 8.21 × 6.39 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
8.21 mm8.21 mm1.86 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513209
Side View
Table 62.0%Crown 33.6°Girdle: STK-THKPavilion 41°Culet: NoneDepth 72.0%

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 1
Current: $6,671 NZD|Low: $907 NZD|High: $9,830 NZD|Avg: $3,439 NZD|-32.1%
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
November 1, 2026
Retailer 5$907 NZD
Retailer 10$1,175 NZD
Retailer 3$1,269 NZD
Retailer 12$1,391 NZD
Retailer 7$1,515 NZD
Retailer 4$2,122 NZD
Retailer 9$2,257 NZD
Retailer 13$2,596 NZD
Retailer 6$3,560 NZD
Retailer 8$5,645 NZD
Retailer 2$5,793 NZD
Retailer 11$6,281 NZD
Brilliant Earth$6,671 NZD

28 data points across 13 retailers

13 retailers$907 NZD to $6,671 NZD

A
Cheapest Retailer
-
$907 NZD
$511 USD
Final sale: no returns
A
Retailer 2
-
$1,175 NZD
$662 USD
View
A
Retailer 3
-
$1,269 NZD
$715 USD
View
A
Retailer 4
-
$1,391 NZD
$784 USD
View
A
Retailer 5
-
$1,515 NZD
€813 EUR
View
A
Retailer 6
-
$2,122 NZD
$1,196 USD
View
A
Retailer 7
-
$2,257 NZD
A$1,957 AUD
View
A
Retailer 8
-
$2,596 NZD
$1,463 USD
View
B+
Retailer 9
-
$3,560 NZD
£1,580 GBP
View
B+
Retailer 10
-
$5,645 NZD
A$4,895 AUD
View
B+
Retailer 11
-
$5,793 NZD
$3,265 USD
View
B
Retailer 12
-
$6,281 NZD
$3,540 USD
View
Most Expensive
B
Brilliant Earth
16861062Y · Oct 31
$6,671 NZD
$3,760 USD
View
12 more retailers have this diamond
Prices start from $907 NZDSave up to $5,765 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
1.86ct Cushion
$907 NZD