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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG777634305

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG777634305

Diamond specifications and retailer prices

From $561 NZD
$315 USD
As of October 28, 2026
Save $4,872 NZD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,434 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG777634305 or 777634305. Listed at 18 retailers as of October 28, 2026, with prices from $561 to $5,434, a $4,872 spread on the same certified stone. Brilliant Earth lists it at $5,434. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777634305
Dimensions8.21 × 6.50 × 4.44 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm6.50 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777634305
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 43.8°Culet: NoneDepth 68.3%

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 28
Current: $5,434 NZD|Low: $561 NZD|High: $5,665 NZD|Avg: $1,695 NZD|+7.4%
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
October 29, 2026
Retailer 5$561 NZD
Retailer 16$622 NZD
Retailer 3$665 NZD
Retailer 7$837 NZD
Retailer 14$837 NZD
Retailer 2$1,010 NZD
Retailer 12$1,068 NZD
Retailer 13$1,090 NZD
Retailer 4$1,103 NZD
Retailer 17$1,416 NZD
Retailer 11$1,445 NZD
Retailer 8$2,088 NZD
Retailer 9$2,391 NZD
Retailer 10$2,505 NZD
Retailer 6$2,589 NZD
Retailer 15$3,180 NZD
Brilliant Earth$5,434 NZD

34 data points across 17 retailers

18 retailers$561 NZD to $5,434 NZD

A
Cheapest Retailer
-
$561 NZD
$315 USD
Final sale: no returns
A
Retailer 2
-
$622 NZD
$349 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$665 NZD
£294 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$837 NZD
$470 USD
View
B+
Retailer 5
-
$837 NZD
$470 USD
View
A
Retailer 6
-
$1,010 NZD
€540 EUR
View
A
Retailer 7
-
$1,068 NZD
ZAR 9,684 ZAR
View
A
Retailer 8
-
$1,090 NZD
£482 GBP
View
A
Retailer 9
-
$1,103 NZD
$619 USD
View
A
Retailer 10
-
$1,416 NZD
$795 USD
View
A
Retailer 11
-
$1,445 NZD
A$1,248 AUD
View
B+
Retailer 12
-
$2,088 NZD
$1,172 USD
View
B+
Retailer 13
-
$2,391 NZD
$1,342 USD
View
B+
Retailer 14
-
$2,505 NZD
£1,107 GBP
View
B+
Retailer 15
-
$2,589 NZD
$1,453 USD
View
B+
Retailer 16
-
$3,180 NZD
$1,785 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$4,502 NZD
£1,990 GBP
View
Most Expensive
B
Brilliant Earth
18619133A · Oct 28
$5,434 NZD
$3,050 USD
View
17 more retailers have this diamond
Prices start from $561 NZDSave up to $4,872 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
1.73ct Cushion
$561 NZD