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Radiant|Natural|GIA

1.31ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6542333877

Certificate GIA 6542333877

Diamond specifications and retailer prices

From $4,734 AUD
£2,619 GBP
As of October 29, 2026
Save $3,560 AUD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,294 AUD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542333877. Listed at 6 retailers as of October 27, 2026, with prices from $4,734 to $8,294, a $3,560 spread on the same certified stone. NZ Jewellers lists it at $8,294. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle43.92°
Pavilion angle30°
OriginNatural
Grading LabGIA
CertificateGIA 6542333877
Dimensions7.09 × 5.37 × 3.64 mm
L/W Ratio1.32
Top View
7.09 mm5.37 mm1.31 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542333877
Side View
Table 66.0%Crown 43.92°Girdle: STK-THKPavilion 30°Culet: NoneDepth 67.7%

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 29
Current: $8,294 AUD|Low: $4,705 AUD|High: $8,419 AUD|Avg: $5,881 AUD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 2$4,734 AUD
Retailer 4$4,761 AUD
Retailer 6$4,943 AUD
Retailer 5$4,972 AUD
Retailer 9$5,217 AUD
Retailer 7$5,388 AUD
Retailer 8$5,685 AUD
Retailer 3$7,972 AUD
NZ Jewellers$8,294 AUD

30 data points across 9 retailers

6 retailers$4,734 AUD to $8,294 AUD

A
Cheapest Retailer
-
$4,734 AUD
£2,619 GBP
A
Retailer 2
-
$4,761 AUD
$3,345 USD
View
A
Retailer 3
-
$4,943 AUD
$3,473 USD
View
A
Retailer 4
-
$4,972 AUD
$3,493 USD
View
B+
Retailer 5
-
$7,972 AUD
£4,410 GBP
View
Most Expensive
B+
NZ Jewellers
0f176a7a-294d-4ff8-8a28-9cba47006cb5 · Oct 27
$8,294 AUD
$5,827 USD
View
5 more retailers have this diamond
Prices start from $4,734 AUDSave up to $3,560 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
$4,734 AUD