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Cushion|Natural|HRD

1.23ct H SI2 Cushion Natural Diamond

EX • H/SI2 • HRD 200000040371

Shape and cutting style on the report: Cushion

Certificate HRD 200000040371

Diamond specifications and retailer prices

From £1,754 GBP
As of November 4, 2026
Save £2,341 GBP (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,096 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural cushion diamond

This 1.23ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 200000040371. Listed at 10 retailers as of November 4, 2026, with prices from £1,754 to £4,096, a £2,341 spread on the same certified stone. NZ Jewellers lists it at £4,096. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 200000040371
Dimensions6.29 × 5.52 × 3.95 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizeNone
Top View
6.29 mm5.52 mm1.23 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateHRD 200000040371
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: 0.0Depth 72.0%

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 4
Current: £4,096 GBP|Low: £1,754 GBP|High: £4,096 GBP|Avg: £2,258 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£1,754 GBP
Retailer 8£1,808 GBP
Retailer 3£1,959 GBP
Retailer 5£1,959 GBP
Retailer 4£2,034 GBP
Retailer 6£2,064 GBP
Retailer 9£2,234 GBP
Retailer 7£2,261 GBP
Retailer 2£2,433 GBP
NZ Jewellers£4,096 GBP

14 data points across 10 retailers

10 retailers£1,754 GBP to £4,096 GBP

B+
Cheapest Retailer
-
£1,754 GBP
B+
Retailer 2
-
£1,808 GBP
View
Final sale: no returns
B+
Retailer 3
-
£1,959 GBP
View
Retailer 4
-
£1,959 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£2,034 GBP
View
B+
Retailer 6
-
£2,064 GBP
View
B
Retailer 7
-
£2,234 GBP
View
B
Retailer 8
-
£2,261 GBP
View
B+
Retailer 9
-
£2,433 GBP
View
Most Expensive
C
NZ Jewellers
d261de3c-d643-408e-b0b6-b4439da72795 · Nov 5
£4,096 GBP
$5,482 USD
View
9 more retailers have this diamond
Prices start from £1,754 GBPSave up to £2,341 GBP

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+
1.23ct Cushion
£1,754 GBP