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Marquise|Natural|IGI

1.00ct H I1 Marquise Natural Diamond

VG • H/I1 • IGI 743535365

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743535365

Diamond specifications and retailer prices

From $2,189 SGD
$1,712 USD
As of November 1, 2026
Save $3,670 SGD (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,859 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 H colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 743535365. Listed at 9 retailers as of October 30, 2026, with prices from $2,189 to $5,859, a $3,670 spread on the same certified stone. NZ Jewellers lists it at $5,859. 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
H
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle38.4°
OriginNatural
Grading LabIGI
CertificateIGI 743535365
Dimensions9.41 × 5.41 × 3.26 mm
L/W Ratio1.74
Girdle conditionFaceted
Culet sizePointed
Top View
9.41 mm5.41 mm1.00 ctH / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 743535365
Side View
Table 55.0%Crown 32.9°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,279 SGD|Low: $2,189 SGD|High: $3,281 SGD|Avg: $2,646 SGD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$2,189 SGD
Retailer 3$2,402 SGD
Retailer 2$2,518 SGD
Retailer 4$2,858 SGD
Retailer 1$3,279 SGD

17 data points across 5 retailers

9 retailers$2,189 SGD to $5,859 SGD

B+
Cheapest Retailer
-
$2,189 SGD
$1,712 USD
B+
Retailer 2
-
$2,402 SGD
$1,879 USD
View
B+
Retailer 3
-
$2,402 SGD
$1,879 USD
View
B+
Retailer 4
-
$2,513 SGD
$1,966 USD
View
B+
Retailer 5
-
$2,518 SGD
$1,970 USD
View
Retailer 6
-
$2,772 SGD
$2,168 USD
View
Price last confirmed 56 days ago
B+
Retailer 7
-
$2,772 SGD
$2,168 USD
View
B
Retailer 8
-
$3,279 SGD
€2,443 EUR
View
Most Expensive
C
NZ Jewellers
a704883b-7ab6-4fe6-a063-8a7abc49718f · Oct 30
$5,859 SGD
$4,583 USD
View
8 more retailers have this diamond
Prices start from $2,189 SGDSave up to $3,670 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.

B+
1.00ct Marquise
$2,189 SGD