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Cushion|Natural|GIA

1.00ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 1565218767

Certificate GIA 1565218767

Diamond specifications and retailer prices

From $1,200 USD
As of November 6, 2026
Save $1,609 USD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,809 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded G 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 1565218767. Listed at 18 retailers as of November 4, 2026, with prices from $1,200 to $2,809, a $1,609 spread on the same certified stone. MOH London lists it at $2,809. 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

1.00
Carat
G
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565218767
Dimensions6.80 × 5.07 × 3.50 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Needle, Natural
Top View
6.80 mm5.07 mm1.00 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565218767
Side View
Table 55.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 69.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,809 USD|Low: $1,200 USD|High: $2,832 USD|Avg: $1,753 USD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 5$1,200 USD
Retailer 11$1,375 USD
Retailer 4$1,397 USD
Retailer 12$1,522 USD
Retailer 6$1,559 USD
Retailer 2$1,590 USD
Retailer 3$1,601 USD
Retailer 8$1,783 USD
Retailer 10$1,793 USD
Retailer 9$1,962 USD
Retailer 7$2,184 USD
MOH London$2,809 USD

22 data points across 12 retailers

18 retailers$1,200 USD to $2,809 USD

A
Cheapest Retailer
-
$1,200 USD
A
Retailer 2
-
$1,375 USD
View
A
Retailer 3
-
$1,397 USD
View
A
Retailer 4
-
$1,439 USD
View
A
Retailer 5
-
$1,484 USD
View
Final sale: no returns
A
Retailer 6
-
$1,522 USD
View
A
Retailer 7
-
$1,559 USD
View
A
Retailer 8
-
$1,590 USD
View
A
Retailer 9
-
$1,601 USD
View
Retailer 10
-
$1,608 USD
View
Price last confirmed 29 days ago
A
Retailer 11
-
$1,685 USD
View
A
Retailer 12
-
$1,744 USD
View
A
Retailer 13
-
$1,783 USD
View
A
Retailer 14
-
$1,793 USD
View
A
Retailer 15
-
$1,962 USD
View
Retailer 16
-
$2,174 USD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
$2,184 USD
View
Most Expensive
B+
MOH London
DCBAC214F · Nov 4
$2,809 USD
£2,212 GBP
View
17 more retailers have this diamond
Prices start from $1,200 USDSave up to $1,609 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
1.00ct Cushion
$1,200 USD