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Cushion|Lab Grown|IGI

1.28ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG739578552

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

Certificate IGI LG739578552

Diamond specifications and retailer prices

From $626 NZD
As of October 30, 2026
Save $1,455 NZD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,099 NZD at MOH London · As of October 29, 2026
View at MOH London

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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG739578552 or 739578552. Listed at 6 retailers as of October 30, 2026, with a 232% 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
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739578552
Dimensions6.17 × 6.06 × 4.16 mm
L/W Ratio1.02
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
6.17 mm6.06 mm1.28 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739578552
Side View
Table 59.0%Crown 33.4°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,099 NZD|Low: $608 NZD|High: $2,115 NZD|Avg: $1,358 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3$626 NZD
Retailer 8$801 NZD
Retailer 6$1,090 NZD
Retailer 5$1,272 NZD
Retailer 4$1,585 NZD
Retailer 7$1,626 NZD
Retailer 2$2,081 NZD
MOH London$2,099 NZD

21 data points across 8 retailers

6 retailers$626 NZD to $2,081 NZD

B+
Cheapest Retailer
-
$626 NZD
Retailer 2
-
$1,090 NZD
View
Price last confirmed 10 days ago
Retailer 3
-
$1,272 NZD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$1,585 NZD
View
B
Retailer 5
-
$2,081 NZD
View
Most Expensive
MOH London
LG739578552 · Oct 29
$2,099 NZD
£929 GBP
View
Price last confirmed 7 days ago
5 more retailers have this diamond
Prices start from $626 NZDSave up to $1,455 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.

B+
1.28ct Cushion
$626 NZD