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Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

GD • D/SI1 • GIA 2567682851

Certificate GIA 2567682851

Diamond specifications and retailer prices

From $13,315 AUD
HK$72,900 HKD
As of November 1, 2026
Save $11,478 AUD (46%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $24,792 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2567682851. Listed at 16 retailers as of October 30, 2026, with prices from $13,315 to $24,792, a $11,478 spread on the same certified stone. NZ Jewellers lists it at $24,792. 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

1.51
Carat
D
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567682851
Dimensions12.45 × 5.63 × 3.57 mm
L/W Ratio2.21
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Indented Natural
Top View
12.45 mm5.63 mm1.51 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567682851
Side View
Table 59.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 63.5%

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 1
Current: $24,792 AUD|Low: $13,315 AUD|High: $24,792 AUD|Avg: $17,876 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
November 2, 2026
Retailer 6$13,315 AUD
Retailer 9$14,156 AUD
Retailer 3$15,068 AUD
Retailer 5$15,596 AUD
Retailer 12$15,939 AUD
Retailer 16$16,188 AUD
Retailer 8$16,419 AUD
Retailer 10$16,642 AUD
Retailer 15$17,788 AUD
Retailer 2$18,062 AUD
Retailer 13$18,215 AUD
Retailer 11$18,737 AUD
Retailer 7$20,525 AUD
Retailer 4$21,853 AUD
Retailer 14$23,232 AUD
NZ Jewellers$24,792 AUD

4 data points across 16 retailers

16 retailers$13,315 AUD to $24,792 AUD

A
Cheapest Retailer
-
$13,315 AUD
HK$72,900 HKD
B+
Retailer 2
-
$14,156 AUD
₹944,845 INR
View
B+
Retailer 3
-
$15,068 AUD
$10,560 USD
View
B+
Retailer 4
-
$15,596 AUD
$10,930 USD
View
B+
Retailer 5
-
$15,939 AUD
£8,795 GBP
View
B+
Retailer 6
-
$16,188 AUD
$11,345 USD
View
B+
Retailer 7
-
$16,419 AUD
$11,507 USD
View
Final sale: no returns
B+
Retailer 8
-
$16,642 AUD
£9,183 GBP
View
B
Retailer 9
-
$17,788 AUD
$12,466 USD
View
Retailer 10
-
$18,062 AUD
$12,658 USD
View
B
Retailer 11
-
$18,215 AUD
$12,765 USD
View
B
Retailer 12
-
$18,737 AUD
€12,506 EUR
View
B
Retailer 13
-
$20,525 AUD
$14,384 USD
View
B
Retailer 14
-
$21,853 AUD
ZAR 247,418 ZAR
View
B
Retailer 15
-
$23,232 AUD
£12,820 GBP
View
Most Expensive
B
NZ Jewellers
e0b41a80-dea5-4a31-b1d5-9b5f361d591a · Oct 30
$24,792 AUD
$17,375 USD
View
15 more retailers have this diamond
Prices start from $13,315 AUDSave up to $11,478 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
1.51ct Marquise
$13,315 AUD