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Marquise|Natural|GIA

0.80ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6425985290

Certificate GIA 6425985290

Diamond specifications and retailer prices

From €1,692 EUR
$1,890 USD
As of November 1, 2026
Save €1,539 EUR (48%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €3,231 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded G 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 6425985290. Listed at 5 retailers as of November 1, 2026, with prices from €1,692 to €3,231, a €1,539 spread on the same certified stone. MOH London lists it at €3,231. 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

0.80
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6425985290
Dimensions9.56 × 4.80 × 3.03 mm
L/W Ratio1.99
Top View
9.56 mm4.80 mm0.80 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6425985290
Side View
Table 56.0%CrownGirdle: Med. - Very ThickPavilionCulet: NoneDepth 63.1%

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: Nov 1
Current: €3,231 EUR|Low: €1,692 EUR|High: €3,248 EUR|Avg: €2,230 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4€1,692 EUR
Retailer 5€1,756 EUR
Retailer 3€2,006 EUR
Retailer 2€2,519 EUR
MOH London€3,231 EUR

18 data points across 5 retailers

5 retailers€1,692 EUR to €3,231 EUR

B+
Cheapest Retailer
-
€1,692 EUR
$1,890 USD
B+
Retailer 2
-
€1,756 EUR
$1,962 USD
View
B+
Retailer 3
-
€2,006 EUR
£1,765 GBP
View
B
Retailer 4
-
€2,519 EUR
View
Most Expensive
B
MOH London
D4466BE69 · Nov 1
€3,231 EUR
£2,842 GBP
View
4 more retailers have this diamond
Prices start from €1,692 EURSave up to €1,539 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+
0.80ct Marquise
€1,692 EUR