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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG800619071

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800619071

Diamond specifications and retailer prices

From $679 NZD
$381 USD
As of October 25, 2026
Save $3,312 NZD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,991 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 LG800619071 or 800619071. Listed at 10 retailers as of October 25, 2026, with prices from $679 to $3,991, a $3,312 spread on the same certified stone. Brilliant Earth lists it at $3,991. 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 angle26.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800619071
Dimensions8.30 × 6.08 × 4.17 mm
L/W Ratio1.37
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
8.30 mm6.08 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800619071
Side View
Table 57.0%Crown 26.5°Girdle: MED-THKPavilion 36.3°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
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 25
Current: $3,991 NZD|Low: $679 NZD|High: $4,080 NZD|Avg: $1,918 NZD|-2.2%
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 29, 2026
Retailer 7$679 NZD
Retailer 12$982 NZD
Retailer 8$1,108 NZD
Retailer 9$1,113 NZD
Retailer 5$1,287 NZD
Retailer 6$1,335 NZD
Retailer 4$1,457 NZD
Retailer 11$2,608 NZD
Retailer 10$2,692 NZD
Retailer 2$3,016 NZD
Retailer 3$3,056 NZD
Brilliant Earth$3,991 NZD

30 data points across 12 retailers

10 retailers$679 NZD to $3,991 NZD

A
Cheapest Retailer
-
$679 NZD
$381 USD
A
Retailer 2
-
$1,108 NZD
$622 USD
View
A
Retailer 3
-
$1,113 NZD
$625 USD
View
A
Retailer 4
-
$1,287 NZD
ZAR 11,669 ZAR
View
A
Retailer 5
-
$1,335 NZD
£590 GBP
View
B
Retailer 6
-
$2,608 NZD
$1,464 USD
View
B
Retailer 7
-
$2,692 NZD
$1,511 USD
View
B
Retailer 8
-
$3,016 NZD
£1,333 GBP
View
B
Retailer 9
-
$3,056 NZD
$1,716 USD
View
Price last confirmed 50 days ago
Most Expensive
B
Brilliant Earth
21523674Y · Oct 28
$3,991 NZD
$2,240 USD
View
9 more retailers have this diamond
Prices start from $679 NZDSave up to $3,312 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
$679 NZD