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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 $685 USD
As of November 4, 2026
Save $263 USD (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $948 USD 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 $685 to $948, a $263 spread on the same certified stone. GemTrove lists it at $948. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $948 USD|Low: $620 USD|High: $1,119 USD|Avg: $887 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 3$628 USD
Retailer 2$685 USD
Retailer 6$810 USD
GemTrove$948 USD
Retailer 4$1,108 USD
Retailer 5$1,119 USD

18 data points across 6 retailers

2 retailers$685 USD to $948 USD

B+
Cheapest Retailer
-
$685 USD
Most Expensive
B+
GemTrove
GT-N-01245896-98 · Nov 6
$948 USD
A$1,458 AUD
View
1 more retailer has this diamond
Prices start from $685 USDSave up to $263 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.

B+
1.05ct Cushion
$685 USD