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Marquise|Natural|GIA

0.78ct F SI2 Marquise Natural Diamond

F/SI2 • GIA 1242089375

Certificate GIA 1242089375

Diamond specifications and retailer prices

From €811 EUR
$910 USD
As of November 1, 2026
Save €962 EUR (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,773 EUR at MOH London · As of October 29, 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 F colour (colourless) and SI2 clarity (slightly-included) and certified by GIA 1242089375. Listed at 9 retailers as of October 29, 2026, with prices from €811 to €1,773, a €962 spread on the same certified stone. MOH London lists it at €1,773. 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

0.78
Carat
F
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1242089375
Dimensions8.61 × 5.02 × 3.24 mm
L/W Ratio1.72
Girdle conditionFaceted
Culet sizeNone
Top View
8.61 mm5.02 mm0.78 ctF / SI2
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1242089375
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 64.6%

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 1
Current: €1,773 EUR|Low: €811 EUR|High: €1,785 EUR|Avg: €1,102 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6€811 EUR
Retailer 9€872 EUR
Retailer 10€881 EUR
Retailer 7€997 EUR
Retailer 4€1,070 EUR
Retailer 8€1,070 EUR
Retailer 2€1,098 EUR
Retailer 5€1,106 EUR
Retailer 3€1,350 EUR
MOH London€1,773 EUR

27 data points across 10 retailers

9 retailers€811 EUR to €1,773 EUR

A
Cheapest Retailer
-
€811 EUR
$910 USD
B+
Retailer 2
-
€881 EUR
$988 USD
View
B+
Retailer 3
-
€997 EUR
$1,118 USD
View
B+
Retailer 4
-
€1,070 EUR
$1,200 USD
View
B+
Retailer 5
-
€1,070 EUR
$1,200 USD
View
B+
Retailer 6
-
€1,098 EUR
£970 GBP
View
B+
Retailer 7
-
€1,106 EUR
$1,240 USD
View
B+
Retailer 8
-
€1,350 EUR
View
Most Expensive
B
MOH London
560BBC953 · Oct 29
€1,773 EUR
£1,566 GBP
View
8 more retailers have this diamond
Prices start from €811 EURSave up to €962 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
0.78ct Marquise
€811 EUR