Marquise|Natural|GIA

1.00ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 3545350624

Certificate GIA 3545350624

Diamond specifications and retailer prices

From $2,912 USD
As of November 4, 2026
Save $3,931 USD (57%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $6,843 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic 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 3545350624. Listed at 27 retailers as of November 4, 2026, with prices from $2,912 to $6,843, a $3,931 spread on the same certified stone. NZ Jewellers lists it at $6,843. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.75°
Pavilion angle41.44°
OriginNatural
Grading LabGIA
CertificateGIA 3545350624
Dimensions10.02 × 5.25 × 3.30 mm
L/W Ratio1.91
Top View
10.02 mm5.25 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3545350624
Side View
Table 60.0%Crown 34.75°Girdle: MED-THKPavilion 41.44°Culet: NoneDepth 62.8%

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 4
Current: $4,309 USD|Low: $2,580 USD|High: $6,648 USD|Avg: $3,998 USD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$2,912 USD
Retailer 2$3,038 USD
Retailer 8$3,096 USD
Retailer 9$3,284 USD
Retailer 3$3,559 USD
Retailer 11$3,695 USD
Retailer 4$3,955 USD
Retailer 10$4,207 USD
Retailer 1$4,309 USD
Retailer 5$4,794 USD
Retailer 7$6,569 USD

46 data points across 11 retailers

27 retailers$2,912 USD to $6,843 USD

A
Cheapest Retailer
-
$2,912 USD
A
Retailer 2
-
$3,018 USD
View
A
Retailer 3
-
$3,038 USD
View
A
Retailer 4
-
$3,095 USD
View
A
Retailer 5
-
$3,096 USD
View
A
Retailer 6
-
$3,159 USD
View
A
Retailer 7
-
$3,266 USD
View
B+
Retailer 8
-
$3,284 USD
View
Final sale: no returns
B+
Retailer 9
-
$3,420 USD
View
Retailer 10
-
$3,559 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$3,559 USD
View
B+
Retailer 12
-
$3,695 USD
View
Retailer 13
-
$3,738 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$3,814 USD
View
B+
Retailer 15
-
$3,870 USD
View
B+
Retailer 16
-
$3,955 USD
View
B+
Retailer 17
-
$3,960 USD
View
B+
Retailer 18
-
$3,960 USD
View
B+
Retailer 19
-
$4,090 USD
View
B+
Retailer 20
-
$4,106 USD
View
Retailer 21
-
$4,207 USD
View
Price last confirmed 29 days ago
B+
Retailer 22
-
$4,212 USD
View
B+
Retailer 23
-
$4,309 USD
View
B+
Retailer 24
-
$4,794 USD
View
B
Retailer 25
-
$5,676 USD
View
B
Retailer 26
-
$6,569 USD
View
Most Expensive
B
NZ Jewellers
e5088513-1b1a-4e49-8f0d-b3674c8ddcc2 · Nov 5
$6,843 USD
View
26 more retailers have this diamond
Prices start from $2,912 USDSave up to $3,931 USD

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
$2,912 USD