CaratHunter
Plans
Cushion|Natural|IGI

1.05ct L SI2 Cushion Natural Diamond

VG • L/SI2 • IGI 828632845

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI 828632845

Diamond specifications and retailer prices

From £512 GBP
As of November 4, 2026
Save £196 GBP (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £708 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 828632845. Listed at 2 retailers as of November 4, 2026, with prices from £512 to £708, a £196 spread on the same certified stone. GemTrove lists it at £708. 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

1.05
Carat
L
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle32.5°
OriginNatural
Grading LabIGI
CertificateIGI 828632845
Dimensions5.44 × 5.25 × 4.07 mm
L/W Ratio1.04
Girdle conditionFaceted
Top View
5.44 mm5.25 mm1.05 ctL / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828632845
Side View
Table 56.0%Crown 41.2°Girdle: THK-VTKPavilion 32.5°Culet: NoneDepth 77.5%

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: £708 GBP|Low: £463 GBP|High: £836 GBP|Avg: £663 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 3£469 GBP
Retailer 2£512 GBP
Retailer 6£605 GBP
GemTrove£708 GBP
Retailer 4£828 GBP
Retailer 5£836 GBP

18 data points across 6 retailers

2 retailers£512 GBP to £708 GBP

B+
Cheapest Retailer
-
£512 GBP
Most Expensive
B+
GemTrove
GT-N-01245896-98 · Nov 6
£708 GBP
A$1,458 AUD
View
1 more retailer has this diamond
Prices start from £512 GBPSave up to £196 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+
1.05ct Cushion
£512 GBP