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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 $1,442 USD
As of October 30, 2026
Save $2,354 USD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,796 USD 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 $1,442 to $3,796, a $2,354 spread on the same certified stone. NZ Jewellers lists it at $3,796. 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
Color
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: $3,796 USD|Low: $1,093 USD|High: $3,796 USD|Avg: $1,826 USD
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$1,093 USD
Retailer 7$1,442 USD
Retailer 6$1,556 USD
Retailer 8$1,556 USD
Retailer 4$1,627 USD
Retailer 3$1,628 USD
Retailer 5$1,796 USD
Retailer 9$1,852 USD
Retailer 2$2,125 USD
NZ Jewellers$3,796 USD

20 data points across 10 retailers

8 retailers$1,442 USD to $3,796 USD

B+
Cheapest Retailer
-
$1,442 USD
B+
Retailer 2
-
$1,556 USD
View
B+
Retailer 3
-
$1,556 USD
View
B+
Retailer 4
-
$1,627 USD
View
B+
Retailer 5
-
$1,628 USD
View
B+
Retailer 6
-
$1,796 USD
View
B+
Retailer 7
-
$2,125 USD
€2,024 EUR
View
Most Expensive
B
NZ Jewellers
8639ae09-f654-407b-b9da-7db43b103a29 · Oct 30
$3,796 USD
View
7 more retailers have this diamond
Prices start from $1,442 USDSave up to $2,354 USD

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
$1,442 USD