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Marquise|Natural|GIA

1.50ct I VS2 Marquise Natural Diamond

EX • I/VS2 • GIA 6551001123

Certificate GIA 6551001123

Diamond specifications and retailer prices

From $14,847 AUD
As of November 5, 2026
Save $4,079 AUD (22%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $18,926 AUD at Wholesale Diamonds Direct · As of October 12, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551001123. Listed at 11 retailers as of November 5, 2026, with a 27% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Colour
VS2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.42°
Pavilion angle39.31°
OriginNatural
Grading LabGIA
CertificateGIA 6551001123
Dimensions11.29 × 5.96 × 3.67 mm
L/W Ratio1.89
Top View
11.29 mm5.96 mm1.50 ctI / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551001123
Side View
Table 59.0%Crown 38.42°Girdle: STK-THKPavilion 39.31°Culet: NoneDepth 61.5%

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 5
Current: $16,091 AUD|Low: $11,179 AUD|High: $22,483 AUD|Avg: $16,476 AUD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$11,179 AUD
Retailer 4$11,835 AUD
Retailer 9$12,854 AUD
Retailer 8$13,724 AUD
Retailer 5$14,151 AUD
Retailer 7$14,363 AUD
Retailer 12$14,847 AUD
Retailer 1$16,091 AUD
Retailer 15$17,220 AUD
Retailer 11$17,869 AUD
Retailer 13$17,948 AUD
Retailer 14$18,134 AUD
Retailer 16$18,134 AUD
Retailer 10$18,606 AUD
Retailer 17$18,746 AUD
Wholesale Diamonds Direct$18,926 AUD
Retailer 3$19,086 AUD
Retailer 2$22,483 AUD

31 data points across 18 retailers

11 retailers$14,847 AUD to $18,926 AUD

A
Cheapest Retailer
-
$14,847 AUD
B+
Retailer 2
-
$16,091 AUD
View
B+
Retailer 3
-
$17,220 AUD
View
B+
Retailer 4
-
$17,869 AUD
View
B+
Retailer 5
-
$17,948 AUD
View
B+
Retailer 6
-
$18,134 AUD
View
B+
Retailer 7
-
$18,134 AUD
View
B+
Retailer 8
-
$18,606 AUD
View
B
Retailer 9
-
$18,746 AUD
View
B
Retailer 10
-
$18,926 AUD
View
Most Expensive
Wholesale Diamonds Direct
519413643 · Oct 12
$18,926 AUD
$13,004 USD
View
Price last confirmed 25 days ago
10 more retailers have this diamond
Prices start from $14,847 AUDSave up to $4,079 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
1.50ct Marquise
$14,847 AUD