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Marquise|Natural|GIA

0.78ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1172107165

Certificate GIA 1172107165

Diamond specifications and retailer prices

From €2,059 EUR
$2,300 USD
As of October 28, 2026
Save €2,337 EUR (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €4,396 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 0.78ct natural marquise diamond

This 0.78ct natural marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1172107165. Listed at 5 retailers as of October 26, 2026, with prices from €2,059 to €4,396, a €2,337 spread on the same certified stone. MOH London lists it at €4,396. 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

0.78
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1172107165
Dimensions8.06 × 4.45 × 3.56 mm
L/W Ratio1.81
Culet sizeNone
Top View
8.06 mm4.45 mm0.78 ctE / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 1172107165
Side View
Table 58.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 80.0%

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: Oct 28
Current: €4,396 EUR|Low: €2,059 EUR|High: €4,442 EUR|Avg: €2,825 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 3€2,059 EUR
Retailer 4€2,113 EUR
Retailer 7€2,251 EUR
Retailer 8€2,680 EUR
Retailer 5€2,796 EUR
Retailer 2€2,929 EUR
Retailer 6€3,371 EUR
MOH London€4,396 EUR

21 data points across 8 retailers

5 retailers€2,059 EUR to €4,396 EUR

B+
Cheapest Retailer
-
€2,059 EUR
$2,300 USD
B+
Retailer 2
-
€2,113 EUR
$2,361 USD
View
Retailer 3
-
€2,796 EUR
A$4,806 AUD
View
Price last confirmed 31 days ago
B
Retailer 4
-
€2,929 EUR
View
Most Expensive
B
MOH London
3FAA954E6 · Oct 26
€4,396 EUR
£3,867 GBP
View
4 more retailers have this diamond
Prices start from €2,059 EURSave up to €2,337 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.

B+
0.78ct Marquise
€2,059 EUR