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Marquise|Natural|GIA

1.30ct D SI1 Marquise Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $10,706 AUD
As of November 6, 2026
Save $13,439 AUD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $24,145 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 11 retailers as of November 5, 2026, with prices from $10,706 to $24,145, a $13,439 spread on the same certified stone. NZ Jewellers lists it at $24,145. 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

1.30
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions10.86 × 5.78 × 3.59 mm
L/W Ratio1.88
Top View
10.86 mm5.78 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 66.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.1%

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 6
Current: $24,145 AUD|Low: $10,585 AUD|High: $24,145 AUD|Avg: $14,303 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$10,706 AUD
Retailer 3$11,984 AUD
Retailer 7$12,073 AUD
Retailer 4$13,078 AUD
Retailer 5$13,157 AUD
Retailer 9$13,281 AUD
Retailer 2$14,005 AUD
Retailer 6$14,618 AUD
Retailer 8$15,091 AUD
NZ Jewellers$24,145 AUD

24 data points across 10 retailers

11 retailers$10,706 AUD to $24,145 AUD

B+
Cheapest Retailer
-
$10,706 AUD
B+
Retailer 2
-
$11,984 AUD
View
Retailer 3
-
$12,073 AUD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$13,078 AUD
View
Retailer 5
-
$13,078 AUD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$13,157 AUD
View
B+
Retailer 7
-
$13,281 AUD
View
B+
Retailer 8
-
$14,005 AUD
View
B
Retailer 9
-
$14,618 AUD
View
B
Retailer 10
-
$15,091 AUD
View
Most Expensive
B
NZ Jewellers
81ccaa88-9aa9-4f74-bbe3-acf8d5105e5d · Nov 5
$24,145 AUD
$16,590 USD
View
10 more retailers have this diamond
Prices start from $10,706 AUDSave up to $13,439 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+
1.30ct Marquise
$10,706 AUD