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Marquise|Natural|IGI

1.00ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 807646677

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 807646677

Diamond specifications and retailer prices

From €1,230 EUR
SGD 1,865 SGD
As of October 29, 2026
Save €2,061 EUR (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,292 EUR at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 807646677. Listed at 14 retailers as of October 27, 2026, with prices from €1,230 to €3,292, a €2,061 spread on the same certified stone. NZ Jewellers lists it at €3,292. 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
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.9°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 807646677
Dimensions9.18 × 5.25 × 3.40 mm
L/W Ratio1.75
Girdle conditionFaceted
Top View
9.18 mm5.25 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 807646677
Side View
Table 56.0%Crown 36.9°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 64.8%

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: Oct 29
Current: €1,304 EUR|Low: €1,123 EUR|High: €2,393 EUR|Avg: €1,565 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8€1,137 EUR
Retailer 9€1,230 EUR
Retailer 10€1,246 EUR
Retailer 1€1,304 EUR
Retailer 6€1,355 EUR
Retailer 11€1,412 EUR
Retailer 7€1,537 EUR
Retailer 3€1,558 EUR
Retailer 5€1,840 EUR
Retailer 2€1,946 EUR
Retailer 4€2,378 EUR

33 data points across 11 retailers

14 retailers€1,230 EUR to €3,292 EUR

Retailer 1
-
€1,137 EUR
Price last confirmed 7 days ago
A
Retailer 2
-
€1,230 EUR
SGD 1,865 SGD
View
A
Retailer 3
-
€1,239 EUR
$1,390 USD
View
A
Retailer 4
-
€1,304 EUR
$1,463 USD
View
A
Retailer 5
-
€1,346 EUR
$1,510 USD
View
Retailer 6
-
€1,350 EUR
$1,514 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
€1,355 EUR
$1,520 USD
View
Retailer 8
-
€1,412 EUR
$1,584 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€1,537 EUR
£1,357 GBP
View
B+
Retailer 10
-
€1,558 EUR
$1,747 USD
View
B+
Retailer 11
-
€1,840 EUR
View
B+
Retailer 12
-
€1,946 EUR
$2,182 USD
View
B+
Retailer 13
-
€2,378 EUR
£2,100 GBP
View
Most Expensive
B
NZ Jewellers
4d1f7614-4d6b-415c-b36a-05c362ee557a · Oct 27
€3,292 EUR
$3,692 USD
View
13 more retailers have this diamond
Prices start from €1,230 EURSave up to €2,061 EUR

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
€1,230 EUR