Marquise|Natural|IGI

0.70ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 831669487

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 831669487

Diamond specifications and retailer prices

From $637 USD
As of November 6, 2026
Save $2,042 USD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,679 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.7ct natural marquise diamond

This 0.7ct natural marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 831669487. Listed at 13 retailers as of November 5, 2026, with prices from $637 to $2,679, a $2,042 spread on the same certified stone. NZ Jewellers lists it at $2,679. 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

0.70
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.1°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 831669487
Dimensions8.94 × 4.68 × 2.78 mm
L/W Ratio1.91
Girdle conditionFaceted
Top View
8.94 mm4.68 mm0.70 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 831669487
Side View
Table 58.0%Crown 37.1°Girdle: STK-VTKPavilion 38.2°Culet: NoneDepth 59.4%

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 6
Current: $2,679 USD|Low: $637 USD|High: $2,774 USD|Avg: $1,105 USD|-3.4%
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
November 6, 2026
Retailer 2$637 USD
Retailer 4$788 USD
Retailer 9$854 USD
Retailer 11$854 USD
Retailer 3$865 USD
Retailer 10$887 USD
Retailer 12$986 USD
Retailer 13$987 USD
Retailer 5$997 USD
Retailer 7$1,124 USD
Retailer 6$1,127 USD
Retailer 8$1,564 USD
NZ Jewellers$2,679 USD

31 data points across 13 retailers

13 retailers$637 USD to $2,679 USD

A
Cheapest Retailer
-
$637 USD
B+
Retailer 2
-
$788 USD
View
Final sale: no returns
Retailer 3
-
$854 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$854 USD
View
B+
Retailer 5
-
$865 USD
View
B+
Retailer 6
-
$887 USD
View
B+
Retailer 7
-
$986 USD
View
B+
Retailer 8
-
$987 USD
View
B+
Retailer 9
-
$997 USD
View
B
Retailer 10
-
$1,124 USD
View
B
Retailer 11
-
$1,127 USD
View
B
Retailer 12
-
$1,564 USD
View
Most Expensive
C
NZ Jewellers
65aa4420-3d4b-4047-806b-16793f90a4ef · Nov 5
$2,679 USD
View
12 more retailers have this diamond
Prices start from $637 USDSave up to $2,042 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
0.70ct Marquise
$637 USD