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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 6562492877

Certificate GIA 6562492877

Diamond specifications and retailer prices

From $13,565 AUD
$9,529 USD
As of November 1, 2026
Save $12,274 AUD (48%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $25,840 AUD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562492877. Listed at 24 retailers as of October 30, 2026, with prices from $13,565 to $25,840, a $12,274 spread on the same certified stone. NZ Jewellers lists it at $25,840. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562492877
Dimensions11.52 × 5.89 × 3.70 mm
L/W Ratio1.96
Girdle conditionFaceted
Top View
11.52 mm5.89 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562492877
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 62.7%

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 1
Current: $25,840 AUD|Low: $13,247 AUD|High: $26,469 AUD|Avg: $17,085 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 22$13,565 AUD
Retailer 13$13,685 AUD
Retailer 10$14,192 AUD
Retailer 11$14,331 AUD
Retailer 6$14,571 AUD
Retailer 4$14,911 AUD
Retailer 12$14,930 AUD
Retailer 7$14,959 AUD
Retailer 14$15,304 AUD
Retailer 21$15,403 AUD
Retailer 19$15,611 AUD
Retailer 20$15,889 AUD
Retailer 17$16,030 AUD
Retailer 15$16,912 AUD
Retailer 8$17,231 AUD
Retailer 2$17,261 AUD
Retailer 16$17,467 AUD
Retailer 18$19,263 AUD
Retailer 9$19,372 AUD
Retailer 5$22,777 AUD
Retailer 3$24,212 AUD
NZ Jewellers$25,840 AUD

16 data points across 22 retailers

24 retailers$13,565 AUD to $25,840 AUD

A
Cheapest Retailer
-
$13,565 AUD
$9,529 USD
A
Retailer 2
-
$13,685 AUD
HK$75,100 HKD
View
Retailer 3
-
$13,731 AUD
$9,645 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$14,192 AUD
$9,969 USD
View
A
Retailer 5
-
$14,331 AUD
$10,067 USD
View
B+
Retailer 6
-
$14,571 AUD
$10,235 USD
View
Retailer 7
-
$14,869 AUD
SGD 14,114 SGD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
$14,911 AUD
€9,975 EUR
View
B+
Retailer 9
-
$14,930 AUD
View
B+
Retailer 10
-
$14,959 AUD
$10,508 USD
View
B+
Retailer 11
-
$15,304 AUD
$10,750 USD
View
B+
Retailer 12
-
$15,403 AUD
$10,820 USD
View
B+
Retailer 13
-
$15,611 AUD
$10,966 USD
View
Final sale: no returns
B+
Retailer 14
-
$15,889 AUD
£8,788 GBP
View
B+
Retailer 15
-
$16,030 AUD
$11,260 USD
View
Retailer 16
-
$16,912 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$17,231 AUD
$12,104 USD
View
B+
Retailer 18
-
$17,261 AUD
$12,125 USD
View
B+
Retailer 19
-
$17,467 AUD
£9,661 GBP
View
B+
Retailer 20
-
$19,263 AUD
€12,887 EUR
View
B+
Retailer 21
-
$19,372 AUD
$13,608 USD
View
B
Retailer 22
-
$22,777 AUD
ZAR 258,469 ZAR
View
B
Retailer 23
-
$24,212 AUD
£13,392 GBP
View
Most Expensive
B
NZ Jewellers
6d4e1df9-db6b-44b4-a4bd-7028022d2000 · Oct 30
$25,840 AUD
$18,151 USD
View
23 more retailers have this diamond
Prices start from $13,565 AUDSave up to $12,274 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
$13,565 AUD