Radiant|Natural|GIA

1.31ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 2544588737

Certificate GIA 2544588737

Diamond specifications and retailer prices

From $4,749 AUD
As of November 5, 2026
Save $5,750 AUD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,499 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.31ct natural radiant diamond

This 1.31ct natural radiant 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 GIA 2544588737. Listed at 18 retailers as of November 5, 2026, with prices from $4,749 to $10,499, a $5,750 spread on the same certified stone. NZ Jewellers lists it at $10,499. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle49.31°
Pavilion angle36.19°
OriginNatural
Grading LabGIA
CertificateGIA 2544588737
Dimensions7.17 × 5.49 × 3.76 mm
L/W Ratio1.31
Top View
7.17 mm5.49 mm1.31 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2544588737
Side View
Table 70.0%Crown 49.31°Girdle: Very ThickPavilion 36.19°Culet: NoneDepth 68.5%

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 5
Current: $10,499 AUD|Low: $4,619 AUD|High: $10,499 AUD|Avg: $6,477 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 7, 2026
Retailer 4$4,749 AUD
Retailer 11$4,846 AUD
Retailer 6$4,992 AUD
Retailer 10$5,127 AUD
Retailer 3$5,459 AUD
Retailer 12$5,459 AUD
Retailer 2$5,615 AUD
Retailer 5$6,104 AUD
Retailer 8$6,239 AUD
Retailer 7$6,717 AUD
Retailer 9$10,051 AUD
NZ Jewellers$10,499 AUD

44 data points across 12 retailers

18 retailers$4,749 AUD to $10,499 AUD

A
Cheapest Retailer
-
$4,749 AUD
A
Retailer 2
-
$4,846 AUD
View
A
Retailer 3
-
$4,992 AUD
View
Final sale: no returns
A
Retailer 4
-
$5,127 AUD
View
B+
Retailer 5
-
$5,456 AUD
View
Retailer 6
-
$5,459 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$5,459 AUD
View
B+
Retailer 8
-
$5,615 AUD
View
B+
Retailer 9
-
$6,084 AUD
View
B+
Retailer 10
-
$6,084 AUD
View
B+
Retailer 11
-
$6,104 AUD
View
B+
Retailer 12
-
$6,239 AUD
View
B+
Retailer 13
-
$6,287 AUD
View
Retailer 14
-
$6,394 AUD
View
Price last confirmed 67 days ago
B+
Retailer 15
-
$6,717 AUD
View
Retailer 16
-
$6,821 AUD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$10,051 AUD
View
Most Expensive
B
NZ Jewellers
b9eb24aa-7039-43d7-9d76-b567ec79879d · Nov 5
$10,499 AUD
$7,214 USD
View
17 more retailers have this diamond
Prices start from $4,749 AUDSave up to $5,750 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 Radiant
$4,749 AUD