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Marquise|Natural|IGI

1.01ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 671474660

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 671474660

Diamond specifications and retailer prices

From $1,584 USD
As of November 1, 2026
Save $2,657 USD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,241 USD at NZ Jewellers · As of October 30, 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 671474660. Listed at 14 retailers as of October 30, 2026, with prices from $1,584 to $4,241, a $2,657 spread on the same certified stone. NZ Jewellers lists it at $4,241. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 671474660
Dimensions9.87 × 5.20 × 3.30 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
9.87 mm5.20 mm1.01 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 671474660
Side View
Table 62.0%Crown 40°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.5%

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: Nov 1
Current: $4,241 USD|Low: $1,471 USD|High: $4,241 USD|Avg: $2,063 USD
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
Retailer 15
November 1, 2026
Retailer 7$1,584 USD
Retailer 14$1,604 USD
Retailer 15$1,630 USD
Retailer 4$1,700 USD
Retailer 2$1,719 USD
Retailer 11$1,739 USD
Retailer 12$1,739 USD
Retailer 10$1,819 USD
Retailer 3$1,821 USD
Retailer 5$1,876 USD
Retailer 13$2,006 USD
Retailer 6$2,069 USD
Retailer 8$2,374 USD
Retailer 9$3,062 USD
NZ Jewellers$4,241 USD

45 data points across 15 retailers

14 retailers$1,584 USD to $4,241 USD

A
Cheapest Retailer
-
$1,584 USD
B+
Retailer 2
-
$1,604 USD
View
Final sale: no returns
A
Retailer 3
-
$1,630 USD
View
B+
Retailer 4
-
$1,700 USD
View
A
Retailer 5
-
$1,719 USD
£1,354 GBP
View
B+
Retailer 6
-
$1,739 USD
View
B+
Retailer 7
-
$1,739 USD
View
B+
Retailer 8
-
$1,819 USD
View
B+
Retailer 9
-
$1,821 USD
View
B+
Retailer 10
-
$1,876 USD
View
B+
Retailer 11
-
$2,006 USD
View
B+
Retailer 12
-
$2,374 USD
€2,261 EUR
View
B
Retailer 13
-
$3,062 USD
£2,411 GBP
View
Most Expensive
B
NZ Jewellers
0ba7c6d4-3a54-4754-b01b-b9a2462349d7 · Oct 30
$4,241 USD
View
13 more retailers have this diamond
Prices start from $1,584 USDSave up to $2,657 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
$1,584 USD