CaratHunter
Plans
Marquise|Natural|IGI

1.00ct E I1 Marquise Natural Diamond

VG • E/I1 • IGI 743558983

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743558983

Diamond specifications and retailer prices

From $1,416 SGD
₹105,525 INR
As of October 31, 2026
Save $2,979 SGD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,395 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 743558983. Listed at 9 retailers as of October 30, 2026, with prices from $1,416 to $4,395, a $2,979 spread on the same certified stone. NZ Jewellers lists it at $4,395. 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
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.9°
Pavilion angle29.7°
OriginNatural
Grading LabIGI
CertificateIGI 743558983
Dimensions11.10 × 4.95 × 2.79 mm
L/W Ratio2.24
Girdle conditionFaceted
Top View
11.10 mm4.95 mm1.00 ctE / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 743558983
Side View
Table 62.0%Crown 36.9°Girdle: MED-VTKPavilion 29.7°Culet: NoneDepth 56.4%

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: Oct 31
Current: $4,395 SGD|Low: $1,413 SGD|High: $4,395 SGD|Avg: $2,129 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2$1,416 SGD
Retailer 7$1,604 SGD
Retailer 9$1,671 SGD
Retailer 5$1,803 SGD
Retailer 8$1,803 SGD
Retailer 6$1,886 SGD
Retailer 3$2,080 SGD
Retailer 4$2,498 SGD
NZ Jewellers$4,395 SGD

15 data points across 9 retailers

9 retailers$1,416 SGD to $4,395 SGD

A
Cheapest Retailer
-
$1,416 SGD
₹105,525 INR
B+
Retailer 2
-
$1,604 SGD
$1,255 USD
View
B+
Retailer 3
-
$1,671 SGD
$1,307 USD
View
B+
Retailer 4
-
$1,803 SGD
$1,410 USD
View
A
Retailer 5
-
$1,803 SGD
$1,410 USD
View
B+
Retailer 6
-
$1,886 SGD
$1,475 USD
View
B+
Retailer 7
-
$2,080 SGD
$1,627 USD
View
B+
Retailer 8
-
$2,498 SGD
€1,861 EUR
View
Most Expensive
B
NZ Jewellers
d0a83f5e-8376-4998-acb6-ce2899a4d1c4 · Oct 30
$4,395 SGD
$3,438 USD
View
8 more retailers have this diamond
Prices start from $1,416 SGDSave up to $2,979 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
$1,416 SGD