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Marquise|Natural|IGI

1.00ct H SI1 Marquise Natural Diamond

VG • H/SI1 • IGI 814628693

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 814628693

Diamond specifications and retailer prices

From $2,418 USD
As of November 1, 2026
Save $3,102 USD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,520 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 814628693. Listed at 15 retailers as of October 30, 2026, with prices from $2,418 to $5,520, a $3,102 spread on the same certified stone. NZ Jewellers lists it at $5,520. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 814628693
Dimensions10.07 × 5.19 × 3.29 mm
L/W Ratio1.94
Girdle conditionFaceted
Top View
10.07 mm5.19 mm1.00 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 814628693
Side View
Table 59.0%Crown 38.9°Girdle: MED-THKPavilion 39°Culet: NoneDepth 63.4%

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: Nov 1
Current: $5,520 USD|Low: $2,492 USD|High: $5,520 USD|Avg: $3,419 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10$2,492 USD
Retailer 2$2,576 USD
Retailer 11$2,701 USD
Retailer 8$2,804 USD
Retailer 5$2,849 USD
Retailer 4$3,093 USD
Retailer 9$3,116 USD
Retailer 7$3,246 USD
Retailer 3$3,717 USD
Retailer 6$4,627 USD
NZ Jewellers$5,520 USD

41 data points across 11 retailers

15 retailers$2,418 USD to $5,520 USD

B+
Cheapest Retailer
-
$2,418 USD
B+
Retailer 2
-
$2,492 USD
View
Final sale: no returns
Retailer 3
-
$2,537 USD
View
Price last confirmed 91 days ago
B+
Retailer 4
-
$2,576 USD
£2,028 GBP
View
B+
Retailer 5
-
$2,660 USD
View
B+
Retailer 6
-
$2,701 USD
View
B+
Retailer 7
-
$2,782 USD
View
B+
Retailer 8
-
$2,804 USD
View
B+
Retailer 9
-
$2,849 USD
£2,243 GBP
View
B+
Retailer 10
-
$3,093 USD
€2,946 EUR
View
B
Retailer 11
-
$3,116 USD
View
B
Retailer 12
-
$3,246 USD
ZAR 52,434 ZAR
View
B
Retailer 13
-
$3,717 USD
€3,540 EUR
View
B
Retailer 14
-
$4,627 USD
£3,643 GBP
View
Most Expensive
C
NZ Jewellers
99a42b6a-375a-42c4-9f84-dbddde8be398 · Oct 30
$5,520 USD
View
14 more retailers have this diamond
Prices start from $2,418 USDSave up to $3,102 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
$2,418 USD