Cushion|Natural|GIA

3.11ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6552048152

Certificate GIA 6552048152

Diamond specifications and retailer prices

From €19,955 EUR
SGD 30,127 SGD
As of October 30, 2026
Save €3,188 EUR (14%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €23,143 EUR at GemTrove · As of October 31, 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 October 30, 2026, with prices from €19,955 to €23,143, a €3,188 spread on the same certified stone. GemTrove lists it at €23,143. 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

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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: Oct 30
Current: €23,143 EUR|Low: €17,135 EUR|High: €23,550 EUR|Avg: €21,123 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10€17,135 EUR
Retailer 3€18,085 EUR
Retailer 7€19,955 EUR
Retailer 2€20,509 EUR
Retailer 6€21,641 EUR
Retailer 9€21,910 EUR
Retailer 4€22,306 EUR
Retailer 8€22,306 EUR
Retailer 5€23,049 EUR
GemTrove€23,143 EUR

39 data points across 10 retailers

9 retailers€19,955 EUR to €23,143 EUR

Retailer 1
-
€18,085 EUR
$20,205 USD
Price last confirmed 11 days ago
A
Retailer 2
-
€19,955 EUR
SGD 30,127 SGD
View
A
Retailer 3
-
€20,509 EUR
£18,042 GBP
View
A
Retailer 4
-
€21,641 EUR
$24,177 USD
View
A
Retailer 5
-
€21,910 EUR
$24,478 USD
View
A
Retailer 6
-
€22,306 EUR
$24,920 USD
View
A
Retailer 7
-
€22,306 EUR
$24,920 USD
View
A
Retailer 8
-
€23,049 EUR
$25,750 USD
View
Most Expensive
B+
GemTrove
GT-N-01247901-98 · Oct 31
€23,143 EUR
A$39,778 AUD
View
8 more retailers have this diamond
Prices start from €19,955 EURSave up to €3,188 EUR

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
€19,955 EUR