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Marquise|Natural|GIA

1.50ct D SI2 Marquise Natural Diamond

ID • D/SI2 • GIA 1548162106

Certificate GIA 1548162106

Diamond specifications and retailer prices

From $11,419 AUD
As of November 6, 2026
Save $10,070 AUD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $21,489 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548162106. Listed at 18 retailers as of November 5, 2026, with prices from $11,419 to $21,489, a $10,070 spread on the same certified stone. NZ Jewellers lists it at $21,489. 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

1.50
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.72°
Pavilion angle33.55°
OriginNatural
Grading LabGIA
CertificateGIA 1548162106
Dimensions11.00 × 5.78 × 3.83 mm
L/W Ratio1.90
Key to symbols
Crystal, Feather, Cavity
Top View
11.00 mm5.78 mm1.50 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548162106
Side View
Table 57.0%Crown 34.72°Girdle: VTK-XTKPavilion 33.55°Culet: NoneDepth 66.3%

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: $11,960 AUD|Low: $11,960 AUD|High: $20,377 AUD|Avg: $15,259 AUD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$11,960 AUD
Retailer 4$13,962 AUD
Retailer 7$14,231 AUD
Retailer 2$14,448 AUD
Retailer 6$15,654 AUD
Retailer 3$16,153 AUD
Retailer 5$20,082 AUD

29 data points across 7 retailers

18 retailers$11,419 AUD to $21,489 AUD

A
Cheapest Retailer
-
$11,419 AUD
A
Retailer 2
-
$11,960 AUD
View
A
Retailer 3
-
$12,381 AUD
View
Retailer 4
-
$12,627 AUD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$13,164 AUD
View
A
Retailer 6
-
$13,205 AUD
View
A
Retailer 7
-
$13,470 AUD
View
A
Retailer 8
-
$13,962 AUD
View
Retailer 9
-
$14,231 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$14,231 AUD
View
Final sale: no returns
A
Retailer 11
-
$14,448 AUD
View
B+
Retailer 12
-
$15,417 AUD
View
B+
Retailer 13
-
$15,654 AUD
View
B+
Retailer 14
-
$15,772 AUD
View
B+
Retailer 15
-
$16,153 AUD
View
B
Retailer 16
-
$17,789 AUD
View
B+
Retailer 17
-
$20,082 AUD
View
Most Expensive
B
NZ Jewellers
d02f73c7-08bf-404d-90df-c80f6b2f3184 · Nov 5
$21,489 AUD
$14,765 USD
View
17 more retailers have this diamond
Prices start from $11,419 AUDSave up to $10,070 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
$11,419 AUD