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Cushion|Natural|GIA

3.11ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6552048152

Certificate GIA 6552048152

Diamond specifications and retailer prices

From $30,539 AUD
As of November 4, 2026
Save $7,092 AUD (19%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $37,630 AUD 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 $30,539 to $37,630, a $7,092 spread on the same certified stone. GemTrove lists it at $37,630. 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
Colour
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: $37,630 AUD|Low: $27,861 AUD|High: $38,292 AUD|Avg: $34,122 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$27,861 AUD
Retailer 9$29,406 AUD
Retailer 8$30,539 AUD
Retailer 2$31,036 AUD
Retailer 7$33,298 AUD
Retailer 5$33,479 AUD
Retailer 3$34,318 AUD
Retailer 6$34,318 AUD
Retailer 4$35,468 AUD
GemTrove$37,630 AUD

40 data points across 10 retailers

9 retailers$30,539 AUD to $37,630 AUD

Retailer 1
-
$29,406 AUD
Price last confirmed 17 days ago
A
Retailer 2
-
$30,539 AUD
View
A
Retailer 3
-
$31,036 AUD
View
A
Retailer 4
-
$33,298 AUD
View
A
Retailer 5
-
$33,479 AUD
View
A
Retailer 6
-
$34,318 AUD
View
A
Retailer 7
-
$34,318 AUD
View
A
Retailer 8
-
$35,468 AUD
View
Most Expensive
B+
GemTrove
GT-N-01247901-98 · Nov 6
$37,630 AUD
View
8 more retailers have this diamond
Prices start from $30,539 AUDSave up to $7,092 AUD

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
$30,539 AUD