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Cushion|Natural|GIA

1.23ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 6545684900

Certificate GIA 6545684900

Diamond specifications and retailer prices

From €1,783 EUR
₹190,431 INR
As of November 2, 2026
Save €3,143 EUR (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,926 EUR at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.23ct natural cushion diamond

This 1.23ct 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 6545684900. Listed at 13 retailers as of October 28, 2026, with prices from €1,783 to €4,926, a €3,143 spread on the same certified stone. Queensmith lists it at €4,926. 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

1.23
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545684900
Dimensions6.22 × 5.77 × 3.73 mm
L/W Ratio1.08
Top View
6.22 mm5.77 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545684900
Side View
Table 69.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 64.6%

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 2
Current: €4,926 EUR|Low: €1,783 EUR|High: €4,937 EUR|Avg: €2,665 EUR|+3.1%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6€1,783 EUR
Retailer 9€2,047 EUR
Retailer 4€2,097 EUR
Retailer 3€2,149 EUR
Retailer 12€2,233 EUR
Retailer 8€2,343 EUR
Retailer 10€2,370 EUR
Retailer 5€2,407 EUR
Retailer 11€2,744 EUR
Retailer 7€2,768 EUR
Retailer 2€3,885 EUR
Queensmith€4,926 EUR

20 data points across 12 retailers

13 retailers€1,783 EUR to €4,926 EUR

A
Cheapest Retailer
-
€1,783 EUR
₹190,431 INR
A
Retailer 2
-
€2,047 EUR
$2,296 USD
View
Final sale: no returns
A
Retailer 3
-
€2,097 EUR
$2,352 USD
View
A
Retailer 4
-
€2,110 EUR
$2,367 USD
View
A
Retailer 5
-
€2,149 EUR
$2,410 USD
View
A
Retailer 6
-
€2,233 EUR
$2,504 USD
View
B+
Retailer 7
-
€2,343 EUR
$2,628 USD
View
A
Retailer 8
-
€2,370 EUR
£2,093 GBP
View
B+
Retailer 9
-
€2,407 EUR
$2,700 USD
View
B+
Retailer 10
-
€2,744 EUR
ZAR 49,726 ZAR
View
B+
Retailer 11
-
€2,768 EUR
View
B
Retailer 12
-
€3,885 EUR
£3,431 GBP
View
Most Expensive
B
Queensmith
6545684900 · Oct 28
€4,926 EUR
£4,350 GBP
View
12 more retailers have this diamond
Prices start from €1,783 EURSave up to €3,143 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
1.23ct Cushion
€1,783 EUR