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Cushion|Lab Grown|IGI

1.83ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG683520322

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG683520322

Diamond specifications and retailer prices

From $784 NZD
$442 USD
As of November 1, 2026
Save $5,887 NZD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,671 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.83ct lab-grown cushion diamond

This 1.83ct 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 LG683520322 or 683520322. Listed at 21 retailers as of October 31, 2026, with prices from $784 to $6,671, a $5,887 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

1.83
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683520322
Dimensions8.77 × 6.41 × 4.28 mm
L/W Ratio1.37
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
8.77 mm6.41 mm1.83 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683520322
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 66.8%

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: Nov 1
Current: $6,671 NZD|Low: $784 NZD|High: $9,386 NZD|Avg: $2,999 NZD|-28.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 9$784 NZD
Retailer 3$1,022 NZD
Retailer 18$1,181 NZD
Retailer 12$1,244 NZD
Retailer 15$1,247 NZD
Retailer 17$1,251 NZD
Retailer 4$1,325 NZD
Retailer 13$1,575 NZD
Retailer 2$1,658 NZD
Retailer 20$2,028 NZD
Retailer 16$2,239 NZD
Retailer 8$2,812 NZD
Retailer 6$3,211 NZD
Retailer 7$3,259 NZD
Retailer 11$3,357 NZD
Retailer 10$3,415 NZD
Retailer 14$3,531 NZD
Retailer 19$5,793 NZD
Retailer 5$6,246 NZD
Brilliant Earth$6,671 NZD

42 data points across 20 retailers

21 retailers$784 NZD to $6,671 NZD

A
Cheapest Retailer
-
$784 NZD
$442 USD
Final sale: no returns
Retailer 2
-
$1,022 NZD
£454 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,181 NZD
HK$5,200 HKD
View
Retailer 4
-
$1,244 NZD
$701 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,247 NZD
$703 USD
View
A
Retailer 6
-
$1,251 NZD
$705 USD
View
A
Retailer 7
-
$1,325 NZD
$747 USD
View
A
Retailer 8
-
$1,575 NZD
£699 GBP
View
A
Retailer 9
-
$1,658 NZD
ZAR 15,096 ZAR
View
A
Retailer 10
-
$2,028 NZD
$1,143 USD
View
A
Retailer 11
-
$2,239 NZD
A$1,941 AUD
View
A
Retailer 12
-
$2,812 NZD
£1,248 GBP
View
B+
Retailer 13
-
$3,211 NZD
$1,810 USD
View
B+
Retailer 14
-
$3,259 NZD
$1,837 USD
View
B+
Retailer 15
-
$3,357 NZD
$1,892 USD
View
B+
Retailer 16
-
$3,415 NZD
SGD 2,601 SGD
View
B+
Retailer 17
-
$3,531 NZD
£1,567 GBP
View
B+
Retailer 18
-
$5,793 NZD
$3,265 USD
View
B
Retailer 19
-
$5,994 NZD
£2,660 GBP
View
B
Retailer 20
-
$6,246 NZD
$3,520 USD
View
Most Expensive
B
Brilliant Earth
20467239Y · Oct 31
$6,671 NZD
$3,760 USD
View
20 more retailers have this diamond
Prices start from $784 NZDSave up to $5,887 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
1.83ct Cushion
$784 NZD