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Marquise|Natural|GIA

1.00ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2566197388

Certificate GIA 2566197388

Diamond specifications and retailer prices

From €2,696 EUR
₹286,841 INR
As of October 28, 2026
Save €3,529 EUR (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €6,224 EUR at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded D 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 2566197388. Listed at 23 retailers as of October 27, 2026, with prices from €2,696 to €6,224, a €3,529 spread on the same certified stone. NZ Jewellers lists it at €6,224. 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

1.00
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2566197388
Dimensions9.92 × 5.23 × 3.22 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint, Indented Natural
Top View
9.92 mm5.23 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2566197388
Side View
Table 62.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 61.6%

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: Oct 28
Current: €3,496 EUR|Low: €2,680 EUR|High: €6,046 EUR|Avg: €3,806 EUR|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12€2,696 EUR
Retailer 4€2,841 EUR
Retailer 1€3,496 EUR
Retailer 7€3,572 EUR
Retailer 8€3,572 EUR
Retailer 9€3,572 EUR
Retailer 6€3,655 EUR
Retailer 3€3,670 EUR
Retailer 2€3,792 EUR
Retailer 5€3,831 EUR
Retailer 11€3,937 EUR
Retailer 13€4,351 EUR
Retailer 10€6,007 EUR

32 data points across 13 retailers

23 retailers€2,696 EUR to €6,224 EUR

A
Cheapest Retailer
-
€2,696 EUR
₹286,841 INR
A
Retailer 2
-
€2,841 EUR
$3,174 USD
View
Final sale: no returns
A
Retailer 3
-
€2,970 EUR
A$5,105 AUD
View
B+
Retailer 4
-
€3,050 EUR
$3,408 USD
View
Retailer 5
-
€3,051 EUR
$3,409 USD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
€3,144 EUR
$3,512 USD
View
B+
Retailer 7
-
€3,317 EUR
$3,706 USD
View
B+
Retailer 8
-
€3,406 EUR
$3,805 USD
View
B+
Retailer 9
-
€3,496 EUR
£3,075 GBP
View
B+
Retailer 10
-
€3,572 EUR
$3,991 USD
View
B+
Retailer 11
-
€3,572 EUR
$3,991 USD
View
B+
Retailer 12
-
€3,572 EUR
$3,991 USD
View
B+
Retailer 13
-
€3,655 EUR
£3,215 GBP
View
B+
Retailer 14
-
€3,670 EUR
$4,100 USD
View
B+
Retailer 15
-
€3,792 EUR
$4,236 USD
View
B+
Retailer 16
-
€3,821 EUR
$4,269 USD
View
Retailer 17
-
€3,831 EUR
A$6,584 AUD
View
Price last confirmed 28 days ago
B+
Retailer 18
-
€3,840 EUR
$4,290 USD
View
B+
Retailer 19
-
€3,937 EUR
View
B+
Retailer 20
-
€4,123 EUR
$4,606 USD
View
B+
Retailer 21
-
€4,351 EUR
ZAR 78,521 ZAR
View
B
Retailer 22
-
€6,007 EUR
£5,284 GBP
View
Most Expensive
B
NZ Jewellers
85a7971b-969f-4bd5-a1f7-c9e4f9b75bfa · Oct 27
€6,224 EUR
$6,954 USD
View
22 more retailers have this diamond
Prices start from €2,696 EURSave up to €3,529 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
1.00ct Marquise
€2,696 EUR