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Marquise|Natural|GIA

1.30ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 2558543004

Certificate GIA 2558543004

Diamond specifications and retailer prices

From $9,411 AUD
As of November 5, 2026
Save $2,903 AUD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $12,314 AUD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

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 F 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 2558543004. Listed at 3 retailers as of November 5, 2026, with prices from $9,411 to $12,314, a $2,903 spread on the same certified stone. 77 Diamonds lists it at $12,314. 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
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558543004
Dimensions10.75 × 5.66 × 3.47 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
10.75 mm5.66 mm1.30 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2558543004
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.3%

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: $12,314 AUD|Low: $8,104 AUD|High: $14,065 AUD|Avg: $10,446 AUD|+0.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7$8,104 AUD
Retailer 5$8,383 AUD
Retailer 3$9,411 AUD
Retailer 6$9,882 AUD
Retailer 2$9,930 AUD
Retailer 8$11,380 AUD
77 Diamonds$12,314 AUD
Retailer 4$14,065 AUD

35 data points across 8 retailers

3 retailers$9,411 AUD to $12,314 AUD

B+
Cheapest Retailer
-
$9,411 AUD
B+
Retailer 2
-
$9,930 AUD
View
Most Expensive
B
77 Diamonds
MQZFJDJSDJY · Nov 7
$12,314 AUD
£6,662 GBP
View
2 more retailers have this diamond
Prices start from $9,411 AUDSave up to $2,903 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
$9,411 AUD