CaratHunter
Plans
Marquise|Natural|HRD

1.31ct H SI2 Marquise Natural Diamond

ID • H/SI2 • HRD 250000235889

Certificate HRD 250000235889

Diamond specifications and retailer prices

From $2,226 AUD
$1,560 USD
As of October 31, 2026
Save $3,733 AUD (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,959 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural marquise diamond

This 1.31ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000235889. Listed at 9 retailers as of October 30, 2026, with prices from $2,226 to $5,959, a $3,733 spread on the same certified stone. NZ Jewellers lists it at $5,959. 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

1.31
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000235889
Dimensions10.94 × 5.75 × 3.30 mm
L/W Ratio1.90
Culet sizePointed
Top View
10.94 mm5.75 mm1.31 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000235889
Side View
Table 62.0%CrownGirdlePavilionCulet: NoneDepth 57.4%

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: Oct 31
Current: $5,959 AUD|Low: $2,214 AUD|High: $6,992 AUD|Avg: $3,493 AUD|-14.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$2,214 AUD
Retailer 7$2,226 AUD
Retailer 6$2,253 AUD
Retailer 4$2,443 AUD
Retailer 10$2,584 AUD
Retailer 9$2,703 AUD
Retailer 8$2,818 AUD
Retailer 2$3,335 AUD
Retailer 5$4,280 AUD
Retailer 11$4,318 AUD
NZ Jewellers$5,959 AUD

32 data points across 11 retailers

9 retailers$2,226 AUD to $5,959 AUD

A
Cheapest Retailer
-
$2,226 AUD
$1,560 USD
A
Retailer 2
-
$2,253 AUD
$1,579 USD
View
Final sale: no returns
A
Retailer 3
-
$2,443 AUD
$1,712 USD
View
A
Retailer 4
-
$2,584 AUD
$1,811 USD
View
A
Retailer 5
-
$2,703 AUD
$1,894 USD
View
A
Retailer 6
-
$2,818 AUD
$1,975 USD
View
A
Retailer 7
-
$3,335 AUD
€2,226 EUR
View
A
Retailer 8
-
$4,280 AUD
£2,362 GBP
View
Most Expensive
B+
NZ Jewellers
8482d906-c71d-4cae-9c46-9a874a1a612d · Oct 30
$5,959 AUD
$4,176 USD
View
8 more retailers have this diamond
Prices start from $2,226 AUDSave up to $3,733 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
1.31ct Marquise
$2,226 AUD