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Marquise|Natural|GIA

1.00ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 3545350624

Certificate GIA 3545350624

Diamond specifications and retailer prices

From $5,180 NZD
As of November 4, 2026
Save $6,993 NZD (57%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $12,173 NZD 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 $5,180 to $12,173, a $6,993 spread on the same certified stone. NZ Jewellers lists it at $12,173. 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
Colour
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: $7,665 NZD|Low: $4,590 NZD|High: $11,826 NZD|Avg: $7,111 NZD|+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$5,180 NZD
Retailer 2$5,404 NZD
Retailer 8$5,507 NZD
Retailer 9$5,842 NZD
Retailer 3$6,331 NZD
Retailer 11$6,573 NZD
Retailer 4$7,036 NZD
Retailer 10$7,484 NZD
Retailer 1$7,665 NZD
Retailer 5$8,528 NZD
Retailer 7$11,686 NZD

46 data points across 11 retailers

27 retailers$5,180 NZD to $12,173 NZD

A
Cheapest Retailer
-
$5,180 NZD
A
Retailer 2
-
$5,369 NZD
View
A
Retailer 3
-
$5,404 NZD
View
A
Retailer 4
-
$5,506 NZD
View
A
Retailer 5
-
$5,507 NZD
View
A
Retailer 6
-
$5,620 NZD
View
A
Retailer 7
-
$5,810 NZD
View
B+
Retailer 8
-
$5,842 NZD
View
Final sale: no returns
B+
Retailer 9
-
$6,084 NZD
View
Retailer 10
-
$6,331 NZD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$6,331 NZD
View
B+
Retailer 12
-
$6,573 NZD
View
Retailer 13
-
$6,650 NZD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$6,785 NZD
View
B+
Retailer 15
-
$6,884 NZD
View
B+
Retailer 16
-
$7,036 NZD
View
B+
Retailer 17
-
$7,044 NZD
View
B+
Retailer 18
-
$7,044 NZD
View
B+
Retailer 19
-
$7,276 NZD
View
B+
Retailer 20
-
$7,304 NZD
View
Retailer 21
-
$7,484 NZD
View
Price last confirmed 29 days ago
B+
Retailer 22
-
$7,493 NZD
View
B+
Retailer 23
-
$7,665 NZD
View
B+
Retailer 24
-
$8,528 NZD
View
B
Retailer 25
-
$10,097 NZD
View
B
Retailer 26
-
$11,686 NZD
View
Most Expensive
B
NZ Jewellers
e5088513-1b1a-4e49-8f0d-b3674c8ddcc2 · Nov 5
$12,173 NZD
$6,843 USD
View
26 more retailers have this diamond
Prices start from $5,180 NZDSave up to $6,993 NZD

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
$5,180 NZD