CaratHunter
Plans
Marquise|Natural|GIA

1.30ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6565473467

Certificate GIA 6565473467

Diamond specifications and retailer prices

From $6,222 AUD
As of November 6, 2026
Save $6,922 AUD (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,144 AUD at MOH London · As of November 7, 2026
View at MOH London

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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565473467. Listed at 10 retailers as of November 6, 2026, with prices from $6,222 to $13,144, a $6,922 spread on the same certified stone. MOH London lists it at $13,144. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565473467
Dimensions10.91 × 5.72 × 3.54 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cavity, Crystal, Feather, Needle, Etch Channel
Top View
10.91 mm5.72 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565473467
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.0%

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 6
Current: $13,144 AUD|Low: $6,222 AUD|High: $13,214 AUD|Avg: $8,584 AUD|+5.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 7$6,222 AUD
Retailer 5$7,398 AUD
Retailer 9$7,657 AUD
Retailer 3$7,750 AUD
Retailer 2$8,013 AUD
Retailer 8$8,521 AUD
Retailer 6$9,572 AUD
Retailer 4$10,122 AUD
MOH London$13,144 AUD

25 data points across 9 retailers

10 retailers$6,222 AUD to $13,144 AUD

A
Cheapest Retailer
-
$6,222 AUD
B+
Retailer 2
-
$7,398 AUD
View
B+
Retailer 3
-
$7,657 AUD
View
Final sale: no returns
B+
Retailer 4
-
$7,750 AUD
View
B+
Retailer 5
-
$8,013 AUD
View
Retailer 6
-
$8,385 AUD
View
Price last confirmed 22 days ago
B
Retailer 7
-
$8,521 AUD
View
B
Retailer 8
-
$9,572 AUD
View
B
Retailer 9
-
$10,122 AUD
View
Most Expensive
B
MOH London
2B6488324 · Nov 7
$13,144 AUD
£7,111 GBP
View
9 more retailers have this diamond
Prices start from $6,222 AUDSave up to $6,922 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
$6,222 AUD