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Marquise|Natural|GIA

1.00ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 6552949517

Certificate GIA 6552949517

Diamond specifications and retailer prices

From $2,961 AUD
As of November 4, 2026
Save $5,251 AUD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,212 AUD 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552949517. Listed at 19 retailers as of November 4, 2026, with prices from $2,961 to $8,212, a $5,251 spread on the same certified stone. NZ Jewellers lists it at $8,212. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552949517
Dimensions9.28 × 5.14 × 3.42 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizeNone
Top View
9.28 mm5.14 mm1.00 ctH / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6552949517
Side View
Table 56.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 66.6%

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: Nov 4
Current: $3,807 AUD|Low: $2,961 AUD|High: $6,955 AUD|Avg: $4,032 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8$2,961 AUD
Retailer 2$2,967 AUD
Retailer 9$3,266 AUD
Retailer 3$3,376 AUD
Retailer 5$3,584 AUD
Retailer 1$3,807 AUD
Retailer 4$4,197 AUD
Retailer 7$4,580 AUD
Retailer 6$6,864 AUD

24 data points across 9 retailers

19 retailers$2,961 AUD to $8,212 AUD

A
Cheapest Retailer
-
$2,961 AUD
A
Retailer 2
-
$2,967 AUD
View
Retailer 3
-
$3,266 AUD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$3,376 AUD
View
A
Retailer 5
-
$3,584 AUD
View
B+
Retailer 6
-
$3,611 AUD
View
B+
Retailer 7
-
$3,626 AUD
View
Final sale: no returns
B+
Retailer 8
-
$3,807 AUD
View
B+
Retailer 9
-
$3,857 AUD
View
B+
Retailer 10
-
$3,907 AUD
View
B+
Retailer 11
-
$3,928 AUD
View
B+
Retailer 12
-
$4,080 AUD
View
Retailer 13
-
$4,107 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$4,197 AUD
View
B+
Retailer 15
-
$4,533 AUD
View
B+
Retailer 16
-
$4,580 AUD
View
B
Retailer 17
-
$5,713 AUD
View
B
Retailer 18
-
$6,864 AUD
View
Most Expensive
B
NZ Jewellers
2b6969a7-c534-4c1d-9018-8465ec3ef127 · Nov 5
$8,212 AUD
$5,749 USD
View
18 more retailers have this diamond
Prices start from $2,961 AUDSave up to $5,251 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
$2,961 AUD