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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 7551216145

Certificate GIA 7551216145

Diamond specifications and retailer prices

From $3,273 AUD
$2,299 USD
As of October 28, 2026
Save $4,302 AUD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,575 AUD 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551216145. Listed at 15 retailers as of October 27, 2026, with prices from $3,273 to $7,575, a $4,302 spread on the same certified stone. NZ Jewellers lists it at $7,575. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551216145
Dimensions10.46 × 5.15 × 3.15 mm
L/W Ratio2.03
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
10.46 mm5.15 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551216145
Side View
Table 61.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 61.3%

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: $7,575 AUD|Low: $3,065 AUD|High: $7,575 AUD|Avg: $4,190 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 13$3,273 AUD
Retailer 12$3,343 AUD
Retailer 15$3,384 AUD
Retailer 11$3,587 AUD
Retailer 8$3,603 AUD
Retailer 3$3,623 AUD
Retailer 4$3,623 AUD
Retailer 7$3,749 AUD
Retailer 5$3,791 AUD
Retailer 6$3,817 AUD
Retailer 2$3,860 AUD
Retailer 14$4,181 AUD
Retailer 9$4,519 AUD
Retailer 10$6,382 AUD
NZ Jewellers$7,575 AUD

33 data points across 15 retailers

15 retailers$3,273 AUD to $7,575 AUD

A
Cheapest Retailer
-
$3,273 AUD
$2,299 USD
A
Retailer 2
-
$3,343 AUD
$2,348 USD
View
Final sale: no returns
A
Retailer 3
-
$3,384 AUD
$2,377 USD
View
A
Retailer 4
-
$3,587 AUD
$2,520 USD
View
A
Retailer 5
-
$3,603 AUD
£1,993 GBP
View
A
Retailer 6
-
$3,623 AUD
$2,545 USD
View
A
Retailer 7
-
$3,623 AUD
$2,545 USD
View
A
Retailer 8
-
$3,749 AUD
SGD 3,559 SGD
View
A
Retailer 9
-
$3,791 AUD
$2,663 USD
View
A
Retailer 10
-
$3,817 AUD
$2,681 USD
View
A
Retailer 11
-
$3,860 AUD
£2,135 GBP
View
A
Retailer 12
-
$4,181 AUD
$2,937 USD
View
A
Retailer 13
-
$4,519 AUD
€3,023 EUR
View
B
Retailer 14
-
$6,382 AUD
£3,530 GBP
View
Most Expensive
B
NZ Jewellers
861c4a32-fc9b-4e26-83d9-01959bbceb4a · Oct 27
$7,575 AUD
$5,321 USD
View
14 more retailers have this diamond
Prices start from $3,273 AUDSave up to $4,302 AUD

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
$3,273 AUD