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Cushion|Lab Grown|GIA

3.11ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • GIA 1455529031

Certificate GIA 1455529031

Diamond specifications and retailer prices

From $4,945 SGD
$3,860 USD
As of November 3, 2026
1 retailer carries this diamond
Only listing: $4,945 SGD at Brilliant Earth
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 Brilliant Earth

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1455529031. Listed at a single retailer as of November 3, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.11
Carat
I
Colour
VS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.46°
Pavilion angle51.53°
OriginLab Grown
Grading LabGIA
CertificateGIA 1455529031
Dimensions8.40 × 7.84 × 5.39 mm
L/W Ratio1.07
Cert comments
Additional growth remnants are not shown. This is a man-made diamond produced by CVD (Chemical Vapor Deposition) growth process and has evidence of post-growth treatments to change the color.
Key to symbols
Growth Remnant
Top View
8.40 mm7.84 mm3.11 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1455529031
Side View
Table 61.0%Crown 33.46°Girdle: THK-VTKPavilion 51.53°Culet: NoneDepth 68.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 3
Current: $4,945 SGD|Low: $4,945 SGD|High: $4,945 SGD|Avg: $4,945 SGD
December 30, 2025
Brilliant Earth$4,945 SGD

4 data points across 1 retailer

1 retailer

B
Brilliant Earth
13393327A · Nov 3
$4,945 SGD
$3,860 USD
View

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
3.11ct Cushion
$4,945 SGD