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Cushion|Lab Grown|IGI

1.84ct F IF Cushion Lab Grown Diamond

EX • F/IF • IGI LG758517415

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG758517415

Diamond specifications and retailer prices

From $633 NZD
$356 USD
As of November 1, 2026
Save $4,468 NZD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,101 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.84ct lab-grown cushion diamond

This 1.84ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG758517415 or 758517415. Listed at 20 retailers as of November 1, 2026, with prices from $633 to $5,101, a $4,468 spread on the same certified stone. Brilliant Earth lists it at $5,101. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.84
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758517415
Dimensions8.56 × 6.41 × 4.26 mm
L/W Ratio1.34
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
8.56 mm6.41 mm1.84 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758517415
Side View
Table 63.0%Crown 34.3°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $5,101 NZD|Low: $633 NZD|High: $5,101 NZD|Avg: $2,206 NZD
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
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Retailer 17
Retailer 18
November 2, 2026
Retailer 6$633 NZD
Retailer 15$1,040 NZD
Retailer 14$1,136 NZD
Retailer 8$1,141 NZD
Retailer 12$1,210 NZD
Retailer 11$1,252 NZD
Retailer 4$1,317 NZD
Retailer 17$1,636 NZD
Retailer 2$1,713 NZD
Retailer 9$2,242 NZD
Retailer 7$2,337 NZD
Retailer 5$2,561 NZD
Retailer 3$2,696 NZD
Retailer 18$2,736 NZD
Retailer 13$2,812 NZD
Retailer 16$3,215 NZD
Retailer 10$3,990 NZD
Brilliant Earth$5,101 NZD

41 data points across 18 retailers

20 retailers$633 NZD to $5,101 NZD

A
Cheapest Retailer
-
$633 NZD
$356 USD
Final sale: no returns
A
Retailer 2
-
$1,040 NZD
$585 USD
View
A
Retailer 3
-
$1,136 NZD
€609 EUR
View
A
Retailer 4
-
$1,141 NZD
$642 USD
View
A
Retailer 5
-
$1,210 NZD
ZAR 10,999 ZAR
View
A
Retailer 6
-
$1,252 NZD
£555 GBP
View
A
Retailer 7
-
$1,317 NZD
$741 USD
View
A
Retailer 8
-
$1,636 NZD
A$1,416 AUD
View
A
Retailer 9
-
$1,713 NZD
$964 USD
View
A
Retailer 10
-
$2,242 NZD
SGD 1,705 SGD
View
A
Retailer 11
-
$2,337 NZD
$1,315 USD
View
A
Retailer 12
-
$2,481 NZD
$1,396 USD
View
A
Retailer 13
-
$2,561 NZD
$1,441 USD
View
A
Retailer 14
-
$2,696 NZD
$1,517 USD
View
A
Retailer 15
-
$2,736 NZD
£1,212 GBP
View
A
Retailer 16
-
$2,812 NZD
£1,246 GBP
View
A
Retailer 17
-
$3,215 NZD
A$2,783 AUD
View
Retailer 18
-
$3,577 NZD
$2,013 USD
View
Price last confirmed 63 days ago
Retailer 19
-
$3,990 NZD
$2,245 USD
View
Price last confirmed 28 days ago
Most Expensive
B+
Brilliant Earth
17358760A · Nov 2
$5,101 NZD
$2,870 USD
View
19 more retailers have this diamond
Prices start from $633 NZDSave up to $4,468 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
1.84ct Cushion
$633 NZD