Marquise|Natural|IGI

1.01ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 811694674

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 811694674

Diamond specifications and retailer prices

From $1,012 USD
As of November 6, 2026
Save $2,175 USD (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,187 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct 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 811694674. Listed at 15 retailers as of November 5, 2026, with prices from $1,012 to $3,187, a $2,175 spread on the same certified stone. NZ Jewellers lists it at $3,187. 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

1.01
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle35.4°
OriginNatural
Grading LabIGI
CertificateIGI 811694674
Dimensions9.87 × 5.21 × 3.16 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
9.87 mm5.21 mm1.01 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811694674
Side View
Table 59.0%Crown 39°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,187 USD|Low: $1,012 USD|High: $3,291 USD|Avg: $1,598 USD|-3.2%
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
Retailer 14
November 6, 2026
Retailer 2$1,012 USD
Retailer 3$1,159 USD
Retailer 10$1,206 USD
Retailer 13$1,232 USD
Retailer 7$1,284 USD
Retailer 12$1,307 USD
Retailer 11$1,330 USD
Retailer 14$1,367 USD
Retailer 6$1,409 USD
Retailer 8$1,441 USD
Retailer 9$1,508 USD
Retailer 4$1,779 USD
Retailer 5$2,471 USD
NZ Jewellers$3,187 USD

9 data points across 14 retailers

15 retailers$1,012 USD to $3,187 USD

A
Cheapest Retailer
-
$1,012 USD
A
Retailer 2
-
$1,159 USD
View
A
Retailer 3
-
$1,206 USD
View
Final sale: no returns
A
Retailer 4
-
$1,210 USD
View
A
Retailer 5
-
$1,232 USD
View
A
Retailer 6
-
$1,284 USD
View
A
Retailer 7
-
$1,307 USD
View
A
Retailer 8
-
$1,330 USD
View
B+
Retailer 9
-
$1,367 USD
View
B+
Retailer 10
-
$1,409 USD
View
A
Retailer 11
-
$1,441 USD
View
A
Retailer 12
-
$1,508 USD
View
A
Retailer 13
-
$1,779 USD
View
B+
Retailer 14
-
$2,471 USD
View
Most Expensive
B
NZ Jewellers
3fa09a47-c6c6-411d-86e4-d8d01e01e360 · Nov 5
$3,187 USD
View
14 more retailers have this diamond
Prices start from $1,012 USDSave up to $2,175 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.

A
1.01ct Marquise
$1,012 USD