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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG717559048

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG717559048

Diamond specifications and retailer prices

From $709 NZD
$398 USD
As of October 28, 2026
Save $3,793 NZD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,502 NZD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG717559048 or 717559048. Listed at 22 retailers as of October 27, 2026, with prices from $709 to $4,502, a $3,793 spread on the same certified stone. Queensmith lists it at $4,502. 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 angle38.2°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717559048
Dimensions6.90 × 6.69 × 4.29 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.90 mm6.69 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717559048
Side View
Table 60.0%Crown 38.2°Girdle: STK-THKPavilion 31.6°Culet: NoneDepth 64.1%

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: $1,195 NZD|Low: $675 NZD|High: $4,525 NZD|Avg: $1,857 NZD|-1.1%
Retailer 1
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
October 29, 2026
Retailer 13$709 NZD
Retailer 10$748 NZD
Retailer 11$796 NZD
Retailer 17$998 NZD
Retailer 9$1,007 NZD
Retailer 1$1,195 NZD
Retailer 14$1,286 NZD
Retailer 15$1,334 NZD
Retailer 5$1,354 NZD
Retailer 7$1,452 NZD
Retailer 18$1,757 NZD
Retailer 4$1,863 NZD
Retailer 8$2,482 NZD
Retailer 6$2,829 NZD
Retailer 2$2,905 NZD
Retailer 16$3,002 NZD
Retailer 3$3,225 NZD
Retailer 12$4,400 NZD

29 data points across 18 retailers

22 retailers$709 NZD to $4,502 NZD

A
Cheapest Retailer
-
$709 NZD
$398 USD
Final sale: no returns
A
Retailer 2
-
$748 NZD
$420 USD
View
A
Retailer 3
-
$796 NZD
£352 GBP
View
A
Retailer 4
-
$998 NZD
$560 USD
View
A
Retailer 5
-
$1,007 NZD
$565 USD
View
A
Retailer 6
-
$1,195 NZD
€639 EUR
View
A
Retailer 7
-
$1,286 NZD
ZAR 11,662 ZAR
View
A
Retailer 8
-
$1,334 NZD
£590 GBP
View
A
Retailer 9
-
$1,354 NZD
$760 USD
View
A
Retailer 10
-
$1,452 NZD
$815 USD
View
B+
Retailer 11
-
$1,757 NZD
A$1,517 AUD
View
B+
Retailer 12
-
$1,820 NZD
A$1,572 AUD
View
Price last confirmed 117 days ago
B+
Retailer 13
-
$1,863 NZD
$1,046 USD
View
B
Retailer 14
-
$2,482 NZD
$1,393 USD
View
B
Retailer 15
-
$2,580 NZD
$1,448 USD
View
B
Retailer 16
-
$2,829 NZD
$1,588 USD
View
B
Retailer 17
-
$2,905 NZD
£1,284 GBP
View
B
Retailer 18
-
$3,002 NZD
£1,327 GBP
View
B
Retailer 19
-
$3,225 NZD
$1,810 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$4,400 NZD
$2,470 USD
View
B
Retailer 21
-
$4,418 NZD
$2,480 USD
View
Most Expensive
B
Queensmith
LG717559048 · Oct 27
$4,502 NZD
£1,990 GBP
View
21 more retailers have this diamond
Prices start from $709 NZDSave up to $3,793 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
$709 NZD