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Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6542799985

Certificate GIA 6542799985

Diamond specifications and retailer prices

From $2,784 AUD
As of November 6, 2026
Save $4,281 AUD (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,065 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 D 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 6542799985. Listed at 14 retailers as of November 5, 2026, with prices from $2,784 to $7,065, a $4,281 spread on the same certified stone. NZ Jewellers lists it at $7,065. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6542799985
Dimensions10.16 × 5.17 × 3.23 mm
L/W Ratio1.97
Top View
10.16 mm5.17 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6542799985
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.4%

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 6
Current: $7,065 AUD|Low: $2,784 AUD|High: $7,304 AUD|Avg: $4,104 AUD|-3.3%
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
November 6, 2026
Retailer 2$2,784 AUD
Retailer 10$3,053 AUD
Retailer 6$3,323 AUD
Retailer 8$3,380 AUD
Retailer 5$3,494 AUD
Retailer 12$3,536 AUD
Retailer 9$3,673 AUD
Retailer 7$3,867 AUD
Retailer 3$3,900 AUD
Retailer 13$4,104 AUD
Retailer 4$4,343 AUD
Retailer 11$6,104 AUD
NZ Jewellers$7,065 AUD

27 data points across 13 retailers

14 retailers$2,784 AUD to $7,065 AUD

A
Cheapest Retailer
-
$2,784 AUD
A
Retailer 2
-
$3,053 AUD
View
A
Retailer 3
-
$3,277 AUD
View
A
Retailer 4
-
$3,323 AUD
View
A
Retailer 5
-
$3,380 AUD
View
Retailer 6
-
$3,494 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,536 AUD
View
A
Retailer 8
-
$3,673 AUD
View
A
Retailer 9
-
$3,867 AUD
View
A
Retailer 10
-
$3,900 AUD
View
A
Retailer 11
-
$4,104 AUD
View
A
Retailer 12
-
$4,343 AUD
View
B+
Retailer 13
-
$6,104 AUD
View
Most Expensive
B
NZ Jewellers
1cd7600d-f048-4962-9514-c141bf67bb4f · Nov 5
$7,065 AUD
$4,946 USD
View
13 more retailers have this diamond
Prices start from $2,784 AUDSave up to $4,281 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
$2,784 AUD