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Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1567501831

Certificate GIA 1567501831

Diamond specifications and retailer prices

From $3,535 AUD
HK$19,400 HKD
As of November 1, 2026
Save $4,619 AUD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,154 AUD at NZ Jewellers · As of October 30, 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 1567501831. Listed at 17 retailers as of October 30, 2026, with prices from $3,535 to $8,154, a $4,619 spread on the same certified stone. NZ Jewellers lists it at $8,154. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1567501831
Dimensions9.82 × 5.21 × 3.27 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Indented Natural
Top View
9.82 mm5.21 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1567501831
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.7%

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 1
Current: $8,154 AUD|Low: $3,499 AUD|High: $8,154 AUD|Avg: $5,140 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
Retailer 16
Retailer 17
November 2, 2026
Retailer 13$3,535 AUD
Retailer 10$3,689 AUD
Retailer 9$4,259 AUD
Retailer 8$4,278 AUD
Retailer 5$4,321 AUD
Retailer 11$4,628 AUD
Retailer 4$4,681 AUD
Retailer 16$4,681 AUD
Retailer 2$4,850 AUD
Retailer 17$4,860 AUD
Retailer 6$4,885 AUD
Retailer 7$4,906 AUD
Retailer 3$5,401 AUD
Retailer 14$5,480 AUD
Retailer 15$7,675 AUD
Retailer 12$7,827 AUD
NZ Jewellers$8,154 AUD

18 data points across 17 retailers

17 retailers$3,535 AUD to $8,154 AUD

A
Cheapest Retailer
-
$3,535 AUD
HK$19,400 HKD
A
Retailer 2
-
$3,689 AUD
₹246,805 INR
View
A
Retailer 3
-
$4,259 AUD
$2,992 USD
View
A
Retailer 4
-
$4,278 AUD
$3,005 USD
View
A
Retailer 5
-
$4,321 AUD
$3,035 USD
View
Final sale: no returns
A
Retailer 6
-
$4,628 AUD
£2,560 GBP
View
B+
Retailer 7
-
$4,681 AUD
$3,288 USD
View
B+
Retailer 8
-
$4,681 AUD
$3,288 USD
View
B+
Retailer 9
-
$4,850 AUD
£2,683 GBP
View
B+
Retailer 10
-
$4,860 AUD
$3,414 USD
View
B+
Retailer 11
-
$4,885 AUD
$3,432 USD
View
B+
Retailer 12
-
$4,906 AUD
SGD 4,657 SGD
View
B+
Retailer 13
-
$5,401 AUD
$3,794 USD
View
B+
Retailer 14
-
$5,480 AUD
€3,666 EUR
View
B
Retailer 15
-
$7,675 AUD
£4,245 GBP
View
B
Retailer 16
-
$7,827 AUD
£4,329 GBP
View
Most Expensive
B
NZ Jewellers
d58cc53d-a160-4ee3-83f4-d5817826fe7d · Oct 30
$8,154 AUD
$5,728 USD
View
16 more retailers have this diamond
Prices start from $3,535 AUDSave up to $4,619 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
$3,535 AUD