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Cushion|Natural|IGI

1.00ct I SI2 Cushion Natural Diamond

VG • I/SI2 • IGI 700529276

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 700529276

Diamond specifications and retailer prices

From $1,534 USD
As of November 4, 2026
Save $2,573 USD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,107 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 700529276. Listed at 12 retailers as of November 4, 2026, with prices from $1,534 to $4,107, a $2,573 spread on the same certified stone. NZ Jewellers lists it at $4,107. 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

1.00
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 700529276
Dimensions9.49 × 5.21 × 3.40 mm
L/W Ratio1.82
Girdle conditionFaceted
Culet sizePointed
Top View
9.49 mm5.21 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 700529276
Side View
Table 62.0%Crown 38.5°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 65.3%

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 4
Current: $1,655 USD|Low: $1,182 USD|High: $3,130 USD|Avg: $1,920 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$1,182 USD
Retailer 2$1,534 USD
Retailer 9$1,554 USD
Retailer 11$1,580 USD
Retailer 10$1,654 USD
Retailer 1$1,655 USD
Retailer 7$1,684 USD
Retailer 8$1,762 USD
Retailer 12$1,820 USD
Retailer 6$2,290 USD
Retailer 5$2,941 USD
Retailer 3$3,086 USD

20 data points across 12 retailers

12 retailers$1,534 USD to $4,107 USD

B+
Cheapest Retailer
-
$1,534 USD
B+
Retailer 2
-
$1,554 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,580 USD
View
B+
Retailer 4
-
$1,654 USD
View
A
Retailer 5
-
$1,655 USD
View
Retailer 6
-
$1,684 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$1,684 USD
View
B+
Retailer 8
-
$1,762 USD
View
B+
Retailer 9
-
$1,820 USD
View
B
Retailer 10
-
$2,290 USD
View
B
Retailer 11
-
$2,941 USD
View
Most Expensive
C
NZ Jewellers
d5326691-ab70-421c-99a5-6186438f3b47 · Nov 5
$4,107 USD
View
11 more retailers have this diamond
Prices start from $1,534 USDSave up to $2,573 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.

A
1.00ct Cushion
$1,534 USD