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Marquise|Natural|GIA

1.29ct I SI1 Marquise Natural Diamond

VG • I/SI1 • GIA 2566597529

Certificate GIA 2566597529

Diamond specifications and retailer prices

From $6,522 AUD
As of November 6, 2026
Save $5,110 AUD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,631 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.29ct natural marquise diamond

This 1.29ct 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2566597529. Listed at 14 retailers as of November 6, 2026, with prices from $6,522 to $11,631, a $5,110 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,631. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.29
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.27°
Pavilion angle38.07°
OriginNatural
Grading LabGIA
CertificateGIA 2566597529
Dimensions10.76 × 5.65 × 3.47 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.76 mm5.65 mm1.29 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566597529
Side View
Table 58.0%Crown 40.27°Girdle: THK-VTKPavilion 38.07°Culet: NDepth 61.5%

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: $7,337 AUD|Low: $6,522 AUD|High: $11,631 AUD|Avg: $8,018 AUD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 7, 2026
Retailer 5$6,522 AUD
Retailer 12$6,599 AUD
Retailer 8$6,715 AUD
Retailer 2$6,788 AUD
Retailer 11$6,944 AUD
Retailer 13$6,986 AUD
Retailer 4$7,155 AUD
Retailer 1$7,337 AUD
Retailer 3$8,219 AUD
Retailer 10$8,220 AUD
Retailer 7$8,425 AUD
Retailer 6$9,096 AUD
Retailer 9$11,057 AUD
Wholesale Diamonds Direct$11,631 AUD

23 data points across 14 retailers

14 retailers$6,522 AUD to $11,631 AUD

B+
Cheapest Retailer
-
$6,522 AUD
B+
Retailer 2
-
$6,599 AUD
View
B+
Retailer 3
-
$6,715 AUD
View
B+
Retailer 4
-
$6,788 AUD
View
B+
Retailer 5
-
$6,944 AUD
View
B+
Retailer 6
-
$6,986 AUD
View
B+
Retailer 7
-
$7,155 AUD
View
B+
Retailer 8
-
$7,337 AUD
View
B
Retailer 9
-
$8,219 AUD
View
B
Retailer 10
-
$8,220 AUD
View
B
Retailer 11
-
$8,425 AUD
View
B
Retailer 12
-
$9,096 AUD
View
B
Retailer 13
-
$11,057 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
564760418 · Nov 6
$11,631 AUD
$7,992 USD
View
13 more retailers have this diamond
Prices start from $6,522 AUDSave up to $5,110 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+
1.29ct Marquise
$6,522 AUD