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Marquise|Natural|GIA

0.80ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6551631658

Certificate GIA 6551631658

Diamond specifications and retailer prices

From €1,180 EUR
HK$10,300 HKD
As of November 1, 2026
Save €2,658 EUR (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,838 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded H 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 6551631658. Listed at 11 retailers as of October 30, 2026, with prices from €1,180 to €3,838, a €2,658 spread on the same certified stone. NZ Jewellers lists it at €3,838. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551631658
Dimensions10.46 × 4.57 × 2.83 mm
L/W Ratio2.29
Girdle conditionVery Thick to Extremely Thick
Key to symbols
Twinning Wisp
Top View
10.46 mm4.57 mm0.80 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551631658
Side View
Table 62.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 61.9%

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: €3,838 EUR|Low: €1,169 EUR|High: €4,136 EUR|Avg: €1,891 EUR|-7.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7€1,180 EUR
Retailer 5€1,185 EUR
Retailer 3€1,252 EUR
Retailer 10€1,471 EUR
Retailer 8€1,574 EUR
Retailer 11€1,638 EUR
Retailer 9€1,646 EUR
Retailer 2€1,984 EUR
Retailer 4€2,010 EUR
Retailer 6€2,757 EUR
NZ Jewellers€3,838 EUR

30 data points across 11 retailers

11 retailers€1,180 EUR to €3,838 EUR

A
Cheapest Retailer
-
€1,180 EUR
HK$10,300 HKD
A
Retailer 2
-
€1,185 EUR
₹126,109 INR
View
A
Retailer 3
-
€1,252 EUR
$1,399 USD
View
Final sale: no returns
B+
Retailer 4
-
€1,471 EUR
$1,643 USD
View
B+
Retailer 5
-
€1,574 EUR
$1,758 USD
View
B+
Retailer 6
-
€1,638 EUR
SGD 2,473 SGD
View
B+
Retailer 7
-
€1,646 EUR
$1,839 USD
View
B+
Retailer 8
-
€1,984 EUR
£1,745 GBP
View
B+
Retailer 9
-
€2,010 EUR
£1,768 GBP
View
B
Retailer 10
-
€2,757 EUR
£2,425 GBP
View
Most Expensive
B
NZ Jewellers
aa8fbb88-aa5f-4323-a04f-31868a33bf3a · Oct 30
€3,838 EUR
$4,288 USD
View
10 more retailers have this diamond
Prices start from €1,180 EURSave up to €2,658 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
0.80ct Marquise
€1,180 EUR