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Marquise|Natural|GIA

1.30ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6565473467

Certificate GIA 6565473467

Diamond specifications and retailer prices

From €3,829 EUR
As of November 6, 2026
Save €4,260 EUR (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €8,089 EUR at MOH London · As of November 7, 2026
View at MOH London

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565473467. Listed at 10 retailers as of November 6, 2026, with prices from €3,829 to €8,089, a €4,260 spread on the same certified stone. MOH London lists it at €8,089. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565473467
Dimensions10.91 × 5.72 × 3.54 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cavity, Crystal, Feather, Needle, Etch Channel
Top View
10.91 mm5.72 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565473467
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.0%

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: €8,089 EUR|Low: €3,829 EUR|High: €8,132 EUR|Avg: €5,282 EUR|+5.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 7€3,829 EUR
Retailer 5€4,553 EUR
Retailer 9€4,712 EUR
Retailer 3€4,769 EUR
Retailer 2€4,932 EUR
Retailer 8€5,244 EUR
Retailer 6€5,891 EUR
Retailer 4€6,229 EUR
MOH London€8,089 EUR

25 data points across 9 retailers

10 retailers€3,829 EUR to €8,089 EUR

A
Cheapest Retailer
-
€3,829 EUR
B+
Retailer 2
-
€4,553 EUR
View
B+
Retailer 3
-
€4,712 EUR
View
Final sale: no returns
B+
Retailer 4
-
€4,769 EUR
View
B+
Retailer 5
-
€4,932 EUR
View
Retailer 6
-
€5,160 EUR
View
Price last confirmed 22 days ago
B
Retailer 7
-
€5,244 EUR
View
B
Retailer 8
-
€5,891 EUR
View
B
Retailer 9
-
€6,229 EUR
View
Most Expensive
B
MOH London
2B6488324 · Nov 7
€8,089 EUR
£7,111 GBP
View
9 more retailers have this diamond
Prices start from €3,829 EURSave up to €4,260 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
1.30ct Marquise
€3,829 EUR