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Cushion|Lab Grown|IGI

1.86ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG794625116

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG794625116

Diamond specifications and retailer prices

From $2,929 NZD
$1,651 USD
As of October 31, 2026
Save $4,416 NZD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,346 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794625116 or 794625116. Listed at 5 retailers as of October 31, 2026, with prices from $2,929 to $7,346, a $4,416 spread on the same certified stone. Brilliant Earth lists it at $7,346. 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 angle33°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794625116
Dimensions7.05 × 6.94 × 4.62 mm
L/W Ratio1.02
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
7.05 mm6.94 mm1.86 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794625116
Side View
Table 65.0%Crown 33°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,346 NZD|Low: $1,668 NZD|High: $12,669 NZD|Avg: $5,241 NZD|-32.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 31, 2026
Retailer 16$1,668 NZD
Retailer 11$1,888 NZD
Retailer 2$2,929 NZD
Retailer 5$3,070 NZD
Retailer 9$3,231 NZD
Retailer 17$3,478 NZD
Retailer 14$3,593 NZD
Retailer 3$3,780 NZD
Retailer 13$4,024 NZD
Retailer 6$4,936 NZD
Retailer 7$5,787 NZD
Retailer 10$6,352 NZD
Retailer 15$6,927 NZD
Retailer 8$7,315 NZD
Brilliant Earth$7,346 NZD
Retailer 4$7,440 NZD
Retailer 12$8,765 NZD

19 data points across 17 retailers

5 retailers$2,929 NZD to $7,346 NZD

Retailer 1
-
$1,888 NZD
$1,064 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$2,929 NZD
$1,651 USD
View
Retailer 3
-
$6,352 NZD
$3,580 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$6,927 NZD
£3,074 GBP
View
Price last confirmed 26 days ago
Most Expensive
B
Brilliant Earth
21414001Y · Oct 31
$7,346 NZD
$4,140 USD
View
4 more retailers have this diamond
Prices start from $2,929 NZDSave up to $4,416 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
$2,929 NZD