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Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG689562553

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

Certificate IGI LG689562553

Diamond specifications and retailer prices

From $502 NZD
$283 USD
As of November 1, 2026
Save $3,054 NZD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,556 NZD at Yadav Diamonds · As of October 19, 2026
View at Yadav Diamonds

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 LG689562553 or 689562553. Listed at 16 retailers as of October 30, 2026, with a 608% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle37.8°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562553
Dimensions6.23 × 6.23 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.23 mm6.23 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562553
Side View
Table 63.0%Crown 37.8°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 69.0%

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: $1,054 NZD|Low: $497 NZD|High: $3,556 NZD|Avg: $1,411 NZD|+2.8%
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
Yadav Diamonds
November 1, 2026
Retailer 3$502 NZD
Retailer 5$656 NZD
Retailer 6$803 NZD
Retailer 10$843 NZD
Retailer 1$1,054 NZD
Retailer 12$1,118 NZD
Retailer 2$1,141 NZD
Retailer 7$1,196 NZD
Retailer 9$1,357 NZD
Retailer 4$1,723 NZD
Retailer 13$1,884 NZD
Retailer 11$2,238 NZD
Retailer 8$2,395 NZD
Yadav Diamonds$3,556 NZD

39 data points across 14 retailers

16 retailers$502 NZD to $3,556 NZD

A
Cheapest Retailer
-
$502 NZD
$283 USD
Final sale: no returns
B+
Retailer 2
-
$656 NZD
$370 USD
View
A
Retailer 3
-
$803 NZD
€431 EUR
View
A
Retailer 4
-
$843 NZD
$475 USD
View
A
Retailer 5
-
$1,054 NZD
£468 GBP
View
A
Retailer 6
-
$1,118 NZD
$630 USD
View
A
Retailer 7
-
$1,141 NZD
$643 USD
View
B+
Retailer 8
-
$1,196 NZD
$674 USD
View
B+
Retailer 9
-
$1,357 NZD
A$1,177 AUD
View
B+
Retailer 10
-
$1,723 NZD
SGD 1,312 SGD
View
B
Retailer 11
-
$1,884 NZD
$1,062 USD
View
B+
Retailer 12
-
$2,238 NZD
£993 GBP
View
B
Retailer 13
-
$2,395 NZD
$1,350 USD
View
B
Retailer 14
-
$3,556 NZD
$2,004 USD
View
Retailer 15
-
$3,556 NZD
$2,004 USD
View
Price last confirmed 27 days ago
Most Expensive
Yadav Diamonds
13316896 · Oct 19
$3,556 NZD
$2,004 USD
View
Price last confirmed 13 days ago
15 more retailers have this diamond
Prices start from $502 NZDSave up to $3,054 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
$502 NZD