Marquise|Natural|IGI

1.20ct G SI1 Marquise Natural Diamond

VG • G/SI1 • IGI 801638156

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 801638156

Diamond specifications and retailer prices

From €2,683 EUR
As of November 1, 2026
Save €3,600 EUR (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €6,282 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 801638156. Listed at 20 retailers as of November 1, 2026, with prices from €2,683 to €6,282, a €3,600 spread on the same certified stone. NZ Jewellers lists it at €6,282. 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

1.20
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle34.8°
OriginNatural
Grading LabIGI
CertificateIGI 801638156
Dimensions11.22 × 5.69 × 3.07 mm
L/W Ratio1.97
Girdle conditionFaceted
Top View
11.22 mm5.69 mm1.20 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801638156
Side View
Table 62.0%Crown 33.7°Girdle: STK-THKPavilion 34.8°Culet: NoneDepth 54.0%

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 1
Current: €5,997 EUR|Low: €2,768 EUR|High: €6,102 EUR|Avg: €4,039 EUR|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 6€3,027 EUR
Retailer 8€3,327 EUR
Retailer 3€3,498 EUR
Retailer 9€3,606 EUR
Retailer 2€3,721 EUR
Retailer 4€4,025 EUR
Retailer 7€4,234 EUR
Retailer 5€4,401 EUR
Retailer 1€5,997 EUR

40 data points across 9 retailers

20 retailers€2,683 EUR to €6,282 EUR

A
Cheapest Retailer
-
€2,683 EUR
B+
Retailer 2
-
€3,027 EUR
View
B+
Retailer 3
-
€3,135 EUR
View
B+
Retailer 4
-
€3,173 EUR
View
Retailer 5
-
€3,231 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€3,327 EUR
View
Final sale: no returns
B+
Retailer 7
-
€3,439 EUR
View
B+
Retailer 8
-
€3,498 EUR
View
B+
Retailer 9
-
€3,606 EUR
View
B+
Retailer 10
-
€3,606 EUR
View
Retailer 11
-
€3,606 EUR
View
Price last confirmed 9 days ago
B+
Retailer 12
-
€3,635 EUR
View
B+
Retailer 13
-
€3,721 EUR
View
B+
Retailer 14
-
€3,738 EUR
View
B
Retailer 15
-
€4,025 EUR
View
B
Retailer 16
-
€4,160 EUR
View
B
Retailer 17
-
€4,401 EUR
View
B
Retailer 18
-
€5,301 EUR
View
B
Retailer 19
-
€5,997 EUR
View
Most Expensive
B
NZ Jewellers
07948e4e-9dd3-4c0a-9991-44929910dfc2 · Nov 5
€6,282 EUR
$7,014 USD
View
19 more retailers have this diamond
Prices start from €2,683 EURSave up to €3,600 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
1.20ct Marquise
€2,683 EUR