Marquise|Natural|IGI

1.00ct H IF Marquise Natural Diamond

VG • H/IF • IGI 851618822

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 851618822

Diamond specifications and retailer prices

From $3,690 USD
As of November 5, 2026
Save $3,650 USD (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,340 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 851618822. Listed at 5 retailers as of November 5, 2026, with prices from $3,690 to $7,340, a $3,650 spread on the same certified stone. NZ Jewellers lists it at $7,340. 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
H
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.7°
Pavilion angle39.7°
OriginNatural
Grading LabIGI
CertificateIGI 851618822
Dimensions10.42 × 5.18 × 3.13 mm
L/W Ratio2.01
Girdle conditionFaceted
Top View
10.42 mm5.18 mm1.00 ctH / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 851618822
Side View
Table 63.0%Crown 36.7°Girdle: MED-STKPavilion 39.7°CuletDepth 60.4%

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 5
Current: $7,340 USD|Low: $3,750 USD|High: $7,340 USD|Avg: $5,871 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2$3,750 USD
Retailer 3$4,213 USD
Retailer 4$7,026 USD
NZ Jewellers$7,340 USD

2 data points across 4 retailers

5 retailers$3,690 USD to $7,340 USD

A
Cheapest Retailer
-
$3,690 USD
A
Retailer 2
-
$3,750 USD
View
B+
Retailer 3
-
$4,213 USD
View
B
Retailer 4
-
$7,026 USD
View
Most Expensive
B
NZ Jewellers
31cc7bb5-56f1-4b3d-b562-b8f2d7236ba6 · Nov 5
$7,340 USD
View
4 more retailers have this diamond
Prices start from $3,690 USDSave up to $3,650 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
1.00ct Marquise
$3,690 USD