Cushion|Natural|GIA

0.91ct I SI1 Cushion Natural Diamond

VG • I/SI1 • GIA 2426967493

Certificate GIA 2426967493

Diamond specifications and retailer prices

From £620 GBP
₹78,502 INR
As of October 29, 2026
Save £991 GBP (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,353 GBP at Cape Diamonds · As of October 22, 2026
View at Cape Diamonds

About this 0.91ct natural cushion diamond

This 0.91ct natural cushion sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2426967493. Listed at 17 retailers as of October 29, 2026, with a 160% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.91
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2426967493
Dimensions5.88 × 5.15 × 3.62 mm
L/W Ratio1.14
Top View
5.88 mm5.15 mm0.91 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2426967493
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.2%

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: Oct 29
Current: £6,353 GBP|Low: £616 GBP|High: £8,438 GBP|Avg: £1,490 GBP|+420.1%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5£620 GBP
Retailer 3£768 GBP
Retailer 10£794 GBP
Retailer 6£832 GBP
Retailer 12£870 GBP
Retailer 9£933 GBP
Retailer 2£946 GBP
Retailer 4£1,088 GBP
Retailer 8£1,165 GBP
Retailer 11£1,533 GBP
Retailer 7£1,611 GBP
Cape Diamonds£6,353 GBP

27 data points across 12 retailers

17 retailers£620 GBP to £1,611 GBP

A
Cheapest Retailer
-
£620 GBP
₹78,502 INR
A
Retailer 2
-
£645 GBP
HK$6,700 HKD
View
Price last confirmed 55 days ago
B+
Retailer 3
-
£749 GBP
$995 USD
View
B+
Retailer 4
-
£768 GBP
$1,020 USD
View
Final sale: no returns
B+
Retailer 5
-
£794 GBP
$1,055 USD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
£797 GBP
$1,059 USD
View
Retailer 7
-
£832 GBP
$1,106 USD
View
B+
Retailer 8
-
£870 GBP
$1,156 USD
View
B+
Retailer 9
-
£933 GBP
$1,240 USD
View
B+
Retailer 10
-
£933 GBP
$1,240 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
£946 GBP
View
B+
Retailer 12
-
£987 GBP
$1,311 USD
View
B+
Retailer 13
-
£1,088 GBP
A$2,225 AUD
View
Price last confirmed 25 days ago
B+
Retailer 14
-
£1,165 GBP
€1,474 EUR
View
B+
Retailer 15
-
£1,533 GBP
View
B
Retailer 16
-
£1,611 GBP
View
Most Expensive
C
Cape Diamonds
cert_2426967493 · Oct 22
£6,353 GBP
ZAR 136,367 ZAR
View
Price under review
16 more retailers have this diamond
Prices start from £620 GBPSave up to £991 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.

A
0.91ct Cushion
£620 GBP