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Marquise|Natural|GIA

1.51ct H SI2 Marquise Natural Diamond

VG • H/SI2 • GIA 7566644989

Certificate GIA 7566644989

Diamond specifications and retailer prices

From $9,109 AUD
As of November 5, 2026
Save $12,064 AUD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $21,173 AUD at NZ Jewellers · As of November 5, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 7566644989. Listed at 13 retailers as of November 5, 2026, with prices from $9,109 to $21,173, a $12,064 spread on the same certified stone. NZ Jewellers lists it at $21,173. 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
H
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7566644989
Dimensions11.80 × 6.20 × 3.46 mm
L/W Ratio1.90
Girdle conditionFaceted
Top View
11.80 mm6.20 mm1.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566644989
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.8%

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: $21,173 AUD|Low: $9,109 AUD|High: $21,173 AUD|Avg: $12,729 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
November 6, 2026
Retailer 8$9,109 AUD
Retailer 12$10,116 AUD
Retailer 9$10,824 AUD
Retailer 6$10,993 AUD
Retailer 7$11,410 AUD
Retailer 11$11,685 AUD
Retailer 4$11,735 AUD
Retailer 2$12,198 AUD
Retailer 3$12,842 AUD
Retailer 5$13,093 AUD
Retailer 10$17,596 AUD
NZ Jewellers$21,173 AUD

3 data points across 12 retailers

13 retailers$9,109 AUD to $21,173 AUD

A
Cheapest Retailer
-
$9,109 AUD
B+
Retailer 2
-
$9,897 AUD
View
B+
Retailer 3
-
$10,116 AUD
View
B+
Retailer 4
-
$10,824 AUD
View
B+
Retailer 5
-
$10,993 AUD
View
B+
Retailer 6
-
$11,410 AUD
View
B+
Retailer 7
-
$11,685 AUD
View
Final sale: no returns
B+
Retailer 8
-
$11,735 AUD
View
B+
Retailer 9
-
$12,198 AUD
View
B
Retailer 10
-
$12,842 AUD
View
B
Retailer 11
-
$13,093 AUD
View
B
Retailer 12
-
$17,596 AUD
View
Most Expensive
B
NZ Jewellers
ec9470f9-3750-4bd2-8c92-a86df1e476b2 · Nov 5
$21,173 AUD
$14,548 USD
View
12 more retailers have this diamond
Prices start from $9,109 AUDSave up to $12,064 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
$9,109 AUD