Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG794629181

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG794629181

Diamond specifications and retailer prices

From $735 NZD
$414 USD
As of November 1, 2026
Save $3,051 NZD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,786 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG794629181 or 794629181. Listed at 18 retailers as of October 27, 2026, with prices from $735 to $3,786, a $3,051 spread on the same certified stone. Queensmith lists it at $3,786. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794629181
Dimensions7.20 × 6.36 × 3.62 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizeLarge
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
7.20 mm6.36 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794629181
Side View
Table 59.0%Crown 32.5°Girdle: STK-THKPavilion 40.6°Culet: LargeDepth 56.9%

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: Nov 1
Current: $3,348 NZD|Low: $706 NZD|High: $3,389 NZD|Avg: $1,732 NZD
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
November 1, 2026
Retailer 12$735 NZD
Retailer 9$822 NZD
Retailer 5$823 NZD
Retailer 3$912 NZD
Retailer 14$912 NZD
Retailer 10$1,171 NZD
Retailer 13$1,224 NZD
Retailer 7$1,501 NZD
Retailer 8$2,222 NZD
Retailer 11$2,557 NZD
Retailer 6$2,650 NZD
Retailer 4$2,899 NZD
Retailer 2$2,931 NZD
Retailer 1$3,348 NZD

44 data points across 14 retailers

18 retailers$735 NZD to $3,786 NZD

A
Cheapest Retailer
-
$735 NZD
$414 USD
A
Retailer 2
-
$822 NZD
$463 USD
View
Final sale: no returns
A
Retailer 3
-
$823 NZD
$464 USD
View
Retailer 4
-
$912 NZD
$514 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$912 NZD
$514 USD
View
B+
Retailer 6
-
$1,171 NZD
$660 USD
View
B+
Retailer 7
-
$1,217 NZD
$686 USD
View
B+
Retailer 8
-
$1,224 NZD
$690 USD
View
B+
Retailer 9
-
$1,501 NZD
£666 GBP
View
B
Retailer 10
-
$2,222 NZD
A$1,927 AUD
View
B
Retailer 11
-
$2,557 NZD
$1,441 USD
View
B
Retailer 12
-
$2,650 NZD
£1,176 GBP
View
B
Retailer 13
-
$2,899 NZD
SGD 2,208 SGD
View
B
Retailer 14
-
$2,931 NZD
$1,652 USD
View
B
Retailer 15
-
$2,992 NZD
$1,686 USD
View
B
Retailer 16
-
$3,332 NZD
$1,878 USD
View
B
Retailer 17
-
$3,348 NZD
£1,486 GBP
View
Most Expensive
B
Queensmith
LG794629181 · Oct 27
$3,786 NZD
£1,680 GBP
View
17 more retailers have this diamond
Prices start from $735 NZDSave up to $3,051 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
1.28ct Cushion
$735 NZD