Cushion|Lab Grown|IGI

1.28ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG575392244

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG575392244

Diamond specifications and retailer prices

From $304 USD
£240 GBP
As of October 29, 2026
Save $1,466 USD (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,770 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG575392244 or 575392244. Listed at 6 retailers as of October 29, 2026, with prices from $304 to $1,770, a $1,466 spread on the same certified stone. Do Amore Diamonds lists it at $1,770. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575392244
Dimensions7.22 × 5.85 × 3.90 mm
L/W Ratio1.23
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.22 mm5.85 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575392244
Side View
Table 59.5%Crown 33.7°Girdle: MED-STKPavilion 37.3°CuletDepth 66.7%

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 29
Current: $1,770 USD|Low: $302 USD|High: $1,840 USD|Avg: $877 USD|-3.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 2$304 USD
Retailer 5$404 USD
Retailer 3$618 USD
Retailer 4$1,184 USD
Do Amore Diamonds$1,770 USD

31 data points across 5 retailers

6 retailers$304 USD to $1,770 USD

A
Cheapest Retailer
-
$304 USD
£240 GBP
Returns within 30 days
A
Retailer 2
-
$404 USD
View
Returns within 30 days
B+
Retailer 3
-
$495 USD
View
Returns within 30 days
B+
Retailer 4
-
$618 USD
A$951 AUD
View
B
Retailer 5
-
$1,184 USD
£932 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2E4D485E2 · Oct 29
$1,770 USD
View
Returns within 60 days
5 more retailers have this diamond
Prices start from $304 USDSave up to $1,466 USD

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
$304 USD