Cushion|Lab Grown|GIA

4.25ct I SI1 Cushion Lab Grown Diamond

ID • I/SI1 • GIA 5211622761

Certificate GIA 5211622761

Diamond specifications and retailer prices

From $3,260 USD
As of November 2, 2026
Save $6,470 USD (66%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $9,730 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.25ct lab-grown cushion diamond

This 4.25ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5211622761. Listed at 3 retailers as of November 1, 2026, with prices from $3,260 to $9,730, a $6,470 spread on the same certified stone. Do Amore Diamonds lists it at $9,730. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.25
Carat
I
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5211622761
Dimensions9.56 × 9.48 × 6.14 mm
L/W Ratio1.01
Top View
9.56 mm9.48 mm4.25 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5211622761
Side View
Table 58.0%CrownGirdle: STH-THKPavilionCulet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $9,730 USD|Low: $1,608 USD|High: $9,730 USD|Avg: $5,287 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4$1,608 USD
Retailer 3$3,260 USD
Retailer 2$6,560 USD
Do Amore Diamonds$9,730 USD

18 data points across 4 retailers

3 retailers$3,260 USD to $9,730 USD

B+
Cheapest Retailer
-
$3,260 USD
B
Retailer 2
-
$6,560 USD
€6,248 EUR
View
Most Expensive
B
Do Amore Diamonds
24-2118-086 · Nov 1
$9,730 USD
View
2 more retailers have this diamond
Prices start from $3,260 USDSave up to $6,470 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.

B+
4.25ct Cushion
$3,260 USD