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Cushion|Natural|GIA

1.10ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5156925640

Certificate GIA 5156925640

Diamond specifications and retailer prices

From $2,241 USD
As of November 6, 2026
Save $2,689 USD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,930 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.1ct natural cushion diamond

This 1.1ct 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 5156925640. Listed at 13 retailers as of November 4, 2026, with prices from $2,241 to $4,930, a $2,689 spread on the same certified stone. MOH London lists it at $4,930. 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

1.10
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5156925640
Dimensions6.63 × 5.54 × 3.55 mm
L/W Ratio1.20
Top View
6.63 mm5.54 mm1.10 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5156925640
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.2%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $4,930 USD|Low: $2,241 USD|High: $5,004 USD|Avg: $3,058 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$2,241 USD
Retailer 5$2,255 USD
Retailer 6$2,530 USD
Retailer 7$2,778 USD
Retailer 3$2,969 USD
Retailer 2$3,300 USD
Retailer 4$3,444 USD
MOH London$4,930 USD

45 data points across 8 retailers

13 retailers$2,241 USD to $4,930 USD

B+
Cheapest Retailer
-
$2,241 USD
Retailer 2
-
$2,255 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$2,298 USD
View
B+
Retailer 4
-
$2,310 USD
View
B
Retailer 5
-
$2,411 USD
View
B
Retailer 6
-
$2,466 USD
View
B
Retailer 7
-
$2,530 USD
View
B
Retailer 8
-
$2,772 USD
View
B
Retailer 9
-
$2,778 USD
View
B
Retailer 10
-
$2,969 USD
View
B
Retailer 11
-
$3,300 USD
View
B
Retailer 12
-
$3,444 USD
View
Most Expensive
B
MOH London
239D0522F · Nov 4
$4,930 USD
£3,882 GBP
View
12 more retailers have this diamond
Prices start from $2,241 USDSave up to $2,689 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+
1.10ct Cushion
$2,241 USD