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Marquise|Natural|GIA

1.00ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2567097292

Certificate GIA 2567097292

Diamond specifications and retailer prices

From $4,276 AUD
As of November 5, 2026
Save $5,684 AUD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $9,960 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 2567097292. Listed at 23 retailers as of November 5, 2026, with prices from $4,276 to $9,960, a $5,684 spread on the same certified stone. NZ Jewellers lists it at $9,960. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2567097292
Dimensions10.32 × 5.19 × 3.26 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
10.32 mm5.19 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2567097292
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.8%

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: Nov 5
Current: $9,960 AUD|Low: $4,276 AUD|High: $9,960 AUD|Avg: $6,514 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
November 5, 2026
Retailer 6$4,276 AUD
Retailer 2$5,541 AUD
Retailer 3$5,717 AUD
Retailer 10$5,717 AUD
Retailer 12$5,717 AUD
Retailer 7$5,790 AUD
Retailer 11$5,871 AUD
Retailer 4$6,065 AUD
Retailer 8$6,287 AUD
Retailer 5$6,977 AUD
Retailer 9$9,558 AUD
NZ Jewellers$9,960 AUD

28 data points across 12 retailers

23 retailers$4,276 AUD to $9,960 AUD

B+
Cheapest Retailer
-
$4,276 AUD
B+
Retailer 2
-
$4,543 AUD
View
Final sale: no returns
B+
Retailer 3
-
$4,751 AUD
View
B
Retailer 4
-
$4,881 AUD
View
B
Retailer 5
-
$4,881 AUD
View
B
Retailer 6
-
$5,030 AUD
View
B
Retailer 7
-
$5,308 AUD
View
B
Retailer 8
-
$5,450 AUD
View
B+
Retailer 9
-
$5,541 AUD
View
B
Retailer 10
-
$5,717 AUD
View
B
Retailer 11
-
$5,717 AUD
View
Retailer 12
-
$5,717 AUD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$5,790 AUD
View
B
Retailer 14
-
$5,871 AUD
View
Retailer 15
-
$6,057 AUD
View
Price last confirmed 40 days ago
B
Retailer 16
-
$6,065 AUD
View
B
Retailer 17
-
$6,100 AUD
View
B
Retailer 18
-
$6,111 AUD
View
B
Retailer 19
-
$6,287 AUD
View
B
Retailer 20
-
$6,595 AUD
View
B
Retailer 21
-
$6,977 AUD
View
B
Retailer 22
-
$9,558 AUD
View
Most Expensive
B
NZ Jewellers
46e01245-e70c-4256-b744-3a87b7524359 · Nov 5
$9,960 AUD
$6,972 USD
View
22 more retailers have this diamond
Prices start from $4,276 AUDSave up to $5,684 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.

B+
1.00ct Marquise
$4,276 AUD