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Cushion|Natural|GIA

1.11ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2203656635

Certificate GIA 2203656635

Diamond specifications and retailer prices

From $1,667 USD
As of November 6, 2026
Save $851 USD (34%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,518 USD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.11ct natural cushion diamond

This 1.11ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2203656635. Listed at 3 retailers as of November 6, 2026, with prices from $1,667 to $2,518, a $851 spread on the same certified stone. 77 Diamonds lists it at $2,518. 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

1.11
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2203656635
Dimensions6.14 × 5.82 × 3.93 mm
L/W Ratio1.05
Top View
6.14 mm5.82 mm1.11 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 2203656635
Side View
Table 67.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 67.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,518 USD|Low: $1,653 USD|High: $2,546 USD|Avg: $2,101 USD|+1.3%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2$1,674 USD
77 Diamonds$2,518 USD

33 data points across 2 retailers

3 retailers$1,667 USD to $2,518 USD

B+
Cheapest Retailer
-
$1,667 USD
B+
Retailer 2
-
$1,674 USD
View
Most Expensive
B
77 Diamonds
CUSMBNGDGVVNJ · Nov 6
$2,518 USD
£1,982 GBP
View
2 more retailers have this diamond
Prices start from $1,667 USDSave up to $851 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.

B+
1.11ct Cushion
$1,667 USD