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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 $1,966 SGD
As of November 4, 2026
Save $3,298 SGD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,264 SGD 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 $1,966 to $5,264, a $3,298 spread on the same certified stone. NZ Jewellers lists it at $5,264. 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
Colour
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: $2,121 SGD|Low: $1,515 SGD|High: $4,011 SGD|Avg: $2,460 SGD|-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$1,515 SGD
Retailer 2$1,966 SGD
Retailer 9$1,992 SGD
Retailer 11$2,025 SGD
Retailer 10$2,120 SGD
Retailer 1$2,121 SGD
Retailer 7$2,158 SGD
Retailer 8$2,258 SGD
Retailer 12$2,333 SGD
Retailer 6$2,935 SGD
Retailer 5$3,769 SGD
Retailer 3$3,955 SGD

20 data points across 12 retailers

12 retailers$1,966 SGD to $5,264 SGD

B+
Cheapest Retailer
-
$1,966 SGD
B+
Retailer 2
-
$1,992 SGD
View
Final sale: no returns
B+
Retailer 3
-
$2,025 SGD
View
B+
Retailer 4
-
$2,120 SGD
View
A
Retailer 5
-
$2,121 SGD
View
Retailer 6
-
$2,158 SGD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$2,158 SGD
View
B+
Retailer 8
-
$2,258 SGD
View
B+
Retailer 9
-
$2,333 SGD
View
B
Retailer 10
-
$2,935 SGD
View
B
Retailer 11
-
$3,769 SGD
View
Most Expensive
C
NZ Jewellers
d5326691-ab70-421c-99a5-6186438f3b47 · Nov 5
$5,264 SGD
$4,107 USD
View
11 more retailers have this diamond
Prices start from $1,966 SGDSave up to $3,298 SGD

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
$1,966 SGD