CaratHunter
Plans
Marquise|Natural|IGI

1.00ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 825618962

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 825618962

Diamond specifications and retailer prices

From $1,724 SGD
As of November 6, 2026
Save $3,923 SGD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,647 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise 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 825618962. Listed at 14 retailers as of November 5, 2026, with prices from $1,724 to $5,647, a $3,923 spread on the same certified stone. NZ Jewellers lists it at $5,647. 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
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle32°
OriginNatural
Grading LabIGI
CertificateIGI 825618962
Dimensions13.21 × 4.58 × 2.67 mm
L/W Ratio2.88
Girdle conditionFaceted
Culet sizeNone
Top View
13.21 mm4.58 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 825618962
Side View
Table 60.0%Crown 36.2°Girdle: STK-VTKPavilion 32°Culet: NoneDepth 58.3%

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 6
Current: $5,647 SGD|Low: $1,724 SGD|High: $5,647 SGD|Avg: $2,792 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2$1,724 SGD
Retailer 11$2,110 SGD
Retailer 10$2,315 SGD
Retailer 12$2,315 SGD
Retailer 9$2,422 SGD
Retailer 3$2,426 SGD
Retailer 4$2,490 SGD
Retailer 13$2,525 SGD
Retailer 8$2,544 SGD
Retailer 5$2,671 SGD
Retailer 6$2,936 SGD
Retailer 7$4,043 SGD
NZ Jewellers$5,647 SGD

46 data points across 13 retailers

14 retailers$1,724 SGD to $5,647 SGD

A
Cheapest Retailer
-
$1,724 SGD
B+
Retailer 2
-
$2,110 SGD
View
B+
Retailer 3
-
$2,315 SGD
View
Retailer 4
-
$2,315 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,422 SGD
View
B+
Retailer 6
-
$2,426 SGD
View
B+
Retailer 7
-
$2,490 SGD
View
B+
Retailer 8
-
$2,525 SGD
View
B+
Retailer 9
-
$2,544 SGD
View
B+
Retailer 10
-
$2,671 SGD
View
Retailer 11
-
$2,861 SGD
View
Price last confirmed 61 days ago
B+
Retailer 12
-
$2,936 SGD
View
B
Retailer 13
-
$4,043 SGD
View
Most Expensive
C
NZ Jewellers
e48479fd-feb9-4893-b88b-db6eb0ab4328 · Nov 5
$5,647 SGD
$4,406 USD
View
13 more retailers have this diamond
Prices start from $1,724 SGDSave up to $3,923 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 Marquise
$1,724 SGD