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Marquise|Natural|GIA

0.90ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 7566551110

Certificate GIA 7566551110

Diamond specifications and retailer prices

From €2,266 EUR
SGD 3,421 SGD
As of October 31, 2026
Save €1,965 EUR (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,231 EUR at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 0.9ct natural marquise diamond

This 0.9ct 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 7566551110. Listed at 14 retailers as of October 31, 2026, with prices from €2,266 to €4,231, a €1,965 spread on the same certified stone. Helzberg Diamonds lists it at €4,231. 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

0.90
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.65°
Pavilion angle38.46°
OriginNatural
Grading LabGIA
CertificateGIA 7566551110
Dimensions9.55 × 5.02 × 3.06 mm
L/W Ratio1.90
Culet sizeNone
Top View
9.55 mm5.02 mm0.90 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566551110
Side View
Table 60.0%Crown 39.65°Girdle: STK-VTKPavilion 38.46°Culet: NoneDepth 61.0%

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 31
Current: €4,231 EUR|Low: €2,419 EUR|High: €4,231 EUR|Avg: €2,985 EUR
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13€2,419 EUR
Retailer 8€2,421 EUR
Retailer 3€2,442 EUR
Retailer 12€2,461 EUR
Retailer 6€2,656 EUR
Retailer 5€2,679 EUR
Retailer 11€2,877 EUR
Retailer 7€2,961 EUR
Retailer 4€2,969 EUR
Retailer 2€3,086 EUR
Retailer 10€3,751 EUR
Retailer 9€3,970 EUR
Helzberg Diamonds€4,231 EUR

24 data points across 13 retailers

14 retailers€2,266 EUR to €4,231 EUR

B+
Cheapest Retailer
-
€2,266 EUR
SGD 3,421 SGD
B+
Retailer 2
-
€2,419 EUR
$2,703 USD
View
B+
Retailer 3
-
€2,421 EUR
$2,705 USD
View
B+
Retailer 4
-
€2,442 EUR
$2,728 USD
View
B+
Retailer 5
-
€2,461 EUR
$2,750 USD
View
B+
Retailer 6
-
€2,656 EUR
£2,337 GBP
View
B+
Retailer 7
-
€2,679 EUR
SGD 4,045 SGD
View
B+
Retailer 8
-
€2,877 EUR
$3,214 USD
View
B+
Retailer 9
-
€2,961 EUR
View
B+
Retailer 10
-
€2,969 EUR
$3,317 USD
View
B+
Retailer 11
-
€3,086 EUR
$3,448 USD
View
B
Retailer 12
-
€3,751 EUR
$4,191 USD
View
B
Retailer 13
-
€3,970 EUR
$4,435 USD
View
Most Expensive
B
Helzberg Diamonds
XZRNLMMLLHHHG · Oct 31
€4,231 EUR
$4,727 USD
View
13 more retailers have this diamond
Prices start from €2,266 EURSave up to €1,965 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+
0.90ct Marquise
€2,266 EUR