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Cushion|Lab Grown|IGI

1.86ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG828664278

Shape and cutting style on the report: Square cushion antique cut

Certificate IGI LG828664278

Diamond specifications and retailer prices

From $2,381 NZD
$1,342 USD
As of October 31, 2026
Save $14,280 NZD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $16,661 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828664278 or 828664278. Listed at 10 retailers as of October 31, 2026, with prices from $2,381 to $16,661, a $14,280 spread on the same certified stone. Do Amore Diamonds lists it at $16,661. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828664278
Dimensions7.78 × 7.41 × 4.49 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizeLarge
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
7.78 mm7.41 mm1.86 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828664278
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 39.9°Culet: LargeDepth 60.6%

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 31
Current: $16,661 NZD|Low: $2,381 NZD|High: $16,661 NZD|Avg: $6,478 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$2,381 NZD
Retailer 7$2,436 NZD
Retailer 10$3,584 NZD
Retailer 2$3,791 NZD
Retailer 6$3,841 NZD
Retailer 5$6,719 NZD
Retailer 9$6,866 NZD
Retailer 4$8,687 NZD
Retailer 3$9,530 NZD
Do Amore Diamonds$16,661 NZD

36 data points across 10 retailers

10 retailers$2,381 NZD to $16,661 NZD

A
Cheapest Retailer
-
$2,381 NZD
$1,342 USD
Retailer 2
-
$2,436 NZD
$1,373 USD
View
Price last confirmed 15 days ago
Retailer 3
-
$3,584 NZD
$2,020 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$3,791 NZD
£1,682 GBP
View
B+
Retailer 5
-
$3,841 NZD
$2,165 USD
View
B+
Retailer 6
-
$6,719 NZD
$3,787 USD
View
B
Retailer 7
-
$6,866 NZD
$3,869 USD
View
B
Retailer 8
-
$8,687 NZD
£3,855 GBP
View
B
Retailer 9
-
$9,530 NZD
$5,371 USD
View
Most Expensive
B
Do Amore Diamonds
20-E98518 · Oct 31
$16,661 NZD
$9,390 USD
View
9 more retailers have this diamond
Prices start from $2,381 NZDSave up to $14,280 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
$2,381 NZD