Marquise|Natural|GIA

1.30ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 2557250959

Certificate GIA 2557250959

Diamond specifications and retailer prices

From $7,500 AUD
$5,256 USD
As of November 1, 2026
Save $8,557 AUD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,057 AUD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557250959. Listed at 19 retailers as of October 30, 2026, with prices from $7,500 to $16,057, a $8,557 spread on the same certified stone. NZ Jewellers lists it at $16,057. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2557250959
Dimensions10.47 × 5.66 × 3.61 mm
L/W Ratio1.85
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle, Indented Natural
Top View
10.47 mm5.66 mm1.30 ctH / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2557250959
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.7%

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 1
Current: $16,057 AUD|Low: $6,325 AUD|High: $16,057 AUD|Avg: $10,409 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$7,591 AUD
Retailer 7$8,028 AUD
Retailer 8$8,697 AUD
Retailer 9$8,697 AUD
Retailer 11$8,697 AUD
Retailer 5$9,132 AUD
Retailer 4$9,903 AUD
Retailer 10$10,035 AUD
Retailer 3$13,916 AUD
Retailer 6$14,144 AUD
NZ Jewellers$16,057 AUD

42 data points across 11 retailers

19 retailers$7,500 AUD to $16,057 AUD

Retailer 1
-
$7,378 AUD
$5,171 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
$7,500 AUD
$5,256 USD
View
B+
Retailer 3
-
$7,585 AUD
$5,316 USD
View
B+
Retailer 4
-
$7,591 AUD
$5,320 USD
View
B+
Retailer 5
-
$7,685 AUD
$5,386 USD
View
B+
Retailer 6
-
$7,885 AUD
View
B+
Retailer 7
-
$8,028 AUD
$5,626 USD
View
Final sale: no returns
B+
Retailer 8
-
$8,697 AUD
$6,095 USD
View
B+
Retailer 9
-
$8,697 AUD
$6,095 USD
View
B+
Retailer 10
-
$8,697 AUD
$6,095 USD
View
B
Retailer 11
-
$8,855 AUD
$6,206 USD
View
B
Retailer 12
-
$8,903 AUD
$6,239 USD
View
B+
Retailer 13
-
$9,132 AUD
£5,039 GBP
View
B
Retailer 14
-
$9,903 AUD
€6,610 EUR
View
Retailer 15
-
$10,035 AUD
$7,033 USD
View
Price last confirmed 57 days ago
B
Retailer 16
-
$10,035 AUD
$7,033 USD
View
B
Retailer 17
-
$13,916 AUD
$9,753 USD
View
B
Retailer 18
-
$14,144 AUD
£7,805 GBP
View
Most Expensive
B
NZ Jewellers
988fe10a-ec3c-4137-93ba-0677f044b7eb · Oct 30
$16,057 AUD
$11,253 USD
View
18 more retailers have this diamond
Prices start from $7,500 AUDSave up to $8,557 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
$7,500 AUD