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Cushion|Lab Grown|GIA

3.09ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • GIA 1449702818

Certificate GIA 1449702818

Diamond specifications and retailer prices

From $2,966 USD
As of October 29, 2026
2 retailers carry this diamond
Only listing: $2,966 USD at Frank Darling
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Frank Darling

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1449702818. Listed at 2 retailers as of October 29, 2026. 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

3.09
Carat
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1449702818
Dimensions8.60 × 8.56 × 5.76 mm
L/W Ratio1.00
Top View
8.60 mm8.56 mm3.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1449702818
Side View
Table 58.0%CrownGirdle: NUL-NULPavilionCulet: NoneDepth 67.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $2,966 USD|Low: $2,760 USD|High: $9,960 USD|Avg: $4,366 USD|-8.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 26, 2026
Retailer 5$2,760 USD
Frank Darling$2,966 USD
Retailer 3$3,320 USD
Retailer 4$3,320 USD
Retailer 2$9,960 USD

17 data points across 5 retailers

2 retailers

B
Frank Darling
2245-270AAASK · Oct 29
$2,966 USD
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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
3.09ct Cushion
$2,966 USD