CaratHunter
Plans
Marquise|Natural|EGL

1.51ct H SI1 Marquise Natural Diamond

ID • H/SI1 • EGL 926817011d

Certificate EGL 926817011d

Diamond specifications and retailer prices

From $8,993 AUD
As of November 3, 2026
Save $7,609 AUD (46%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $16,602 AUD at NZ Jewellers · As of November 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by EGL 926817011d. Listed at 7 retailers as of November 3, 2026, with prices from $8,993 to $16,602, a $7,609 spread on the same certified stone. NZ Jewellers lists it at $16,602. 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

1.51
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabEGL
CertificateEGL 926817011d
Dimensions6.17 × 11.82 × 3.53 mm
L/W Ratio1.92
Top View
6.17 mm11.82 mm1.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateEGL 926817011d
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 57.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $16,602 AUD|Low: $7,842 AUD|High: $16,602 AUD|Avg: $11,172 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 7$7,842 AUD
Retailer 3$8,993 AUD
Retailer 4$8,993 AUD
Retailer 5$8,993 AUD
Retailer 6$10,377 AUD
Retailer 2$14,585 AUD
NZ Jewellers$16,602 AUD

13 data points across 7 retailers

7 retailers$8,993 AUD to $16,602 AUD

Retailer 1
-
$7,842 AUD
Price last confirmed 12 days ago
B+
Retailer 2
-
$8,993 AUD
View
B+
Retailer 3
-
$8,993 AUD
View
Retailer 4
-
$8,993 AUD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$10,377 AUD
View
B
Retailer 6
-
$14,585 AUD
View
Most Expensive
B
NZ Jewellers
f0e2b60d-a4d3-488d-a543-3af198c0afb6 · Nov 3
$16,602 AUD
$11,407 USD
View
6 more retailers have this diamond
Prices start from $8,993 AUDSave up to $7,609 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.

B+
1.51ct Marquise
$8,993 AUD