Cushion|Natural|GIA

3.11ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6552048152

Certificate GIA 6552048152

Diamond specifications and retailer prices

From $20,983 USD
As of November 4, 2026
Save $4,873 USD (19%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $25,856 USD at GemTrove · As of November 6, 2026
View at GemTrove

About this 3.11ct natural cushion diamond

This 3.11ct natural 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 6552048152. Listed at 9 retailers as of November 4, 2026, with prices from $20,983 to $25,856, a $4,873 spread on the same certified stone. GemTrove lists it at $25,856. 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

3.11
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552048152
Dimensions8.25 × 8.07 × 5.47 mm
L/W Ratio1.02
Top View
8.25 mm8.07 mm3.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552048152
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

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: Nov 4
Current: $25,856 USD|Low: $19,143 USD|High: $26,310 USD|Avg: $23,455 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$19,143 USD
Retailer 9$20,205 USD
Retailer 8$20,983 USD
Retailer 2$21,325 USD
Retailer 7$22,879 USD
Retailer 5$23,003 USD
Retailer 3$23,580 USD
Retailer 6$23,580 USD
Retailer 4$24,370 USD
GemTrove$25,856 USD

41 data points across 10 retailers

9 retailers$20,983 USD to $25,856 USD

Retailer 1
-
$20,205 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$20,983 USD
View
A
Retailer 3
-
$21,325 USD
View
A
Retailer 4
-
$22,879 USD
View
A
Retailer 5
-
$23,003 USD
View
A
Retailer 6
-
$23,580 USD
View
A
Retailer 7
-
$23,580 USD
View
A
Retailer 8
-
$24,370 USD
View
Most Expensive
B+
GemTrove
GT-N-01247901-98 · Nov 6
$25,856 USD
A$39,778 AUD
View
8 more retailers have this diamond
Prices start from $20,983 USDSave up to $4,873 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
3.11ct Cushion
$20,983 USD