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Marquise|Natural|GIA

1.30ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 2546634891

Certificate GIA 2546634891

Diamond specifications and retailer prices

From $3,291 AUD
As of November 6, 2026
Save $5,583 AUD (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,874 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546634891. Listed at 13 retailers as of November 5, 2026, with prices from $3,291 to $8,874, a $5,583 spread on the same certified stone. NZ Jewellers lists it at $8,874. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2546634891
Dimensions10.92 × 5.68 × 3.61 mm
L/W Ratio1.92
Top View
10.92 mm5.68 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2546634891
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,874 AUD|Low: $3,273 AUD|High: $8,874 AUD|Avg: $4,731 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
November 6, 2026
Retailer 8$3,291 AUD
Retailer 2$3,293 AUD
Retailer 10$3,918 AUD
Retailer 6$4,117 AUD
Retailer 5$4,140 AUD
Retailer 12$4,244 AUD
Retailer 11$4,408 AUD
Retailer 3$4,565 AUD
Retailer 4$4,584 AUD
Retailer 13$4,897 AUD
Retailer 9$4,900 AUD
Retailer 7$7,078 AUD
NZ Jewellers$8,874 AUD

45 data points across 13 retailers

13 retailers$3,291 AUD to $8,874 AUD

A
Cheapest Retailer
-
$3,291 AUD
A
Retailer 2
-
$3,293 AUD
View
A
Retailer 3
-
$3,918 AUD
View
Final sale: no returns
A
Retailer 4
-
$4,117 AUD
View
A
Retailer 5
-
$4,140 AUD
View
A
Retailer 6
-
$4,244 AUD
View
A
Retailer 7
-
$4,408 AUD
View
A
Retailer 8
-
$4,565 AUD
View
Retailer 9
-
$4,584 AUD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$4,897 AUD
View
B+
Retailer 11
-
$4,900 AUD
View
B
Retailer 12
-
$7,078 AUD
View
Most Expensive
B
NZ Jewellers
9330868a-c257-4368-8cf4-357da5f2ba98 · Nov 5
$8,874 AUD
$6,212 USD
View
12 more retailers have this diamond
Prices start from $3,291 AUDSave up to $5,583 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
1.30ct Marquise
$3,291 AUD