Marquise|Natural|IGI

1.00ct E I1 Marquise Natural Diamond

VG • E/I1 • IGI 700529116

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 700529116

Diamond specifications and retailer prices

From $1,843 SGD
$1,442 USD
As of October 30, 2026
Save $3,009 SGD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,853 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 700529116. Listed at 8 retailers as of October 30, 2026, with prices from $1,843 to $4,853, a $3,009 spread on the same certified stone. NZ Jewellers lists it at $4,853. 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
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle32.5°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 700529116
Dimensions9.78 × 5.30 × 3.31 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Top View
9.78 mm5.30 mm1.00 ctE / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateIGI 700529116
Side View
Table 64.0%Crown 32.5°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 62.5%

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: Oct 30
Current: $4,853 SGD|Low: $1,398 SGD|High: $4,853 SGD|Avg: $2,335 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10$1,398 SGD
Retailer 7$1,843 SGD
Retailer 6$1,989 SGD
Retailer 8$1,989 SGD
Retailer 4$2,080 SGD
Retailer 3$2,081 SGD
Retailer 5$2,296 SGD
Retailer 9$2,368 SGD
Retailer 2$2,717 SGD
NZ Jewellers$4,853 SGD

20 data points across 10 retailers

8 retailers$1,843 SGD to $4,853 SGD

B+
Cheapest Retailer
-
$1,843 SGD
$1,442 USD
B+
Retailer 2
-
$1,989 SGD
$1,556 USD
View
B+
Retailer 3
-
$1,989 SGD
$1,556 USD
View
B+
Retailer 4
-
$2,080 SGD
$1,627 USD
View
B+
Retailer 5
-
$2,081 SGD
$1,628 USD
View
B+
Retailer 6
-
$2,296 SGD
$1,796 USD
View
B+
Retailer 7
-
$2,717 SGD
€2,024 EUR
View
Most Expensive
B
NZ Jewellers
8639ae09-f654-407b-b9da-7db43b103a29 · Oct 30
$4,853 SGD
$3,796 USD
View
7 more retailers have this diamond
Prices start from $1,843 SGDSave up to $3,009 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
$1,843 SGD