Cushion|Lab Grown|IGI

4.28ct H VVS1 Cushion Lab Grown Diamond

ID • H/VVS1 • IGI LG640404242

Certificate IGI LG640404242

Diamond specifications and retailer prices

From $1,690 USD
HK$13,200 HKD
As of November 1, 2026
Save $5,356 USD (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,046 USD at With Clarity · As of November 2, 2026
View at With Clarity

About this 4.28ct lab-grown cushion diamond

This 4.28ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG640404242 or 640404242. Listed at 9 retailers as of November 1, 2026, with prices from $1,690 to $7,046, a $5,356 spread on the same certified stone. With Clarity lists it at $7,046. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.28
Carat
H
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG640404242
Dimensions9.47 × 9.46 × 6.21 mm
L/W Ratio1.00
Top View
9.47 mm9.46 mm4.28 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640404242
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 65.6%

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: $2,216 USD|Low: $1,676 USD|High: $7,230 USD|Avg: $4,069 USD|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 31, 2026
Retailer 8$1,690 USD
Retailer 4$2,082 USD
Retailer 1$2,216 USD
Retailer 7$3,063 USD
Retailer 6$3,578 USD
Retailer 5$4,874 USD
Retailer 3$5,370 USD
Retailer 2$5,410 USD
With Clarity$6,905 USD

20 data points across 9 retailers

9 retailers$1,690 USD to $7,046 USD

A
Cheapest Retailer
-
$1,690 USD
HK$13,200 HKD
B+
Retailer 2
-
$2,082 USD
View
A
Retailer 3
-
$2,216 USD
€2,110 EUR
View
B+
Retailer 4
-
$3,063 USD
View
B+
Retailer 5
-
$3,578 USD
View
B
Retailer 6
-
$4,874 USD
SGD 6,586 SGD
View
Retailer 7
-
$5,370 USD
View
Price last confirmed 14 days ago
B
Retailer 8
-
$5,410 USD
View
Most Expensive
B
With Clarity
640404242 · Nov 2
$7,046 USD
View
8 more retailers have this diamond
Prices start from $1,690 USDSave up to $5,356 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
4.28ct Cushion
$1,690 USD