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Cushion|Lab Grown|IGI

1.72ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG831679876

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831679876

Diamond specifications and retailer prices

From $1,183 NZD
$667 USD
As of October 31, 2026
Save $5,115 NZD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,299 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.72ct lab-grown cushion diamond

This 1.72ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831679876 or 831679876. Listed at 12 retailers as of October 30, 2026, with prices from $1,183 to $6,299, a $5,115 spread on the same certified stone. Brilliant Earth lists it at $6,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831679876
Dimensions8.58 × 6.13 × 3.98 mm
L/W Ratio1.40
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
8.58 mm6.13 mm1.72 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831679876
Side View
Table 61.0%Crown 35.6°Girdle: THK-VTKPavilion 35.8°Culet: NoneDepth 64.9%

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: $6,299 NZD|Low: $1,183 NZD|High: $8,818 NZD|Avg: $3,209 NZD|-28.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 12$1,183 NZD
Retailer 8$1,333 NZD
Retailer 2$1,526 NZD
Retailer 6$1,680 NZD
Retailer 7$1,982 NZD
Retailer 9$2,017 NZD
Retailer 10$2,452 NZD
Retailer 4$4,109 NZD
Retailer 11$4,178 NZD
Retailer 3$4,303 NZD
Retailer 5$5,623 NZD
Brilliant Earth$6,299 NZD

3 data points across 12 retailers

12 retailers$1,183 NZD to $6,299 NZD

A
Cheapest Retailer
-
$1,183 NZD
$667 USD
Final sale: no returns
A
Retailer 2
-
$1,333 NZD
£591 GBP
View
A
Retailer 3
-
$1,526 NZD
$860 USD
View
A
Retailer 4
-
$1,680 NZD
$947 USD
View
A
Retailer 5
-
$1,982 NZD
$1,117 USD
View
A
Retailer 6
-
$2,017 NZD
£895 GBP
View
A
Retailer 7
-
$2,452 NZD
$1,382 USD
View
B+
Retailer 8
-
$4,109 NZD
$2,316 USD
View
B+
Retailer 9
-
$4,178 NZD
$2,354 USD
View
B+
Retailer 10
-
$4,303 NZD
SGD 3,277 SGD
View
B
Retailer 11
-
$5,623 NZD
$3,169 USD
View
Most Expensive
B
Brilliant Earth
22348886A · Oct 30
$6,299 NZD
$3,550 USD
View
11 more retailers have this diamond
Prices start from $1,183 NZDSave up to $5,115 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
1.72ct Cushion
$1,183 NZD