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Radiant|Natural|GIA

1.51ct E I1 Radiant Natural Diamond

ID • E/I1 • GIA 1246005124

Certificate GIA 1246005124

Diamond specifications and retailer prices

From $5,175 AUD
HK$28,400 HKD
As of October 30, 2026
Save $7,079 AUD (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $12,254 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1246005124. Listed at 8 retailers as of October 30, 2026, with prices from $5,175 to $12,254, a $7,079 spread on the same certified stone. NZ Jewellers lists it at $12,254. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1246005124
Dimensions7.39 × 5.68 × 3.96 mm
L/W Ratio1.30
Girdle conditionPolished
Top View
7.39 mm5.68 mm1.51 ctE / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246005124
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.7%

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 30
Current: $12,254 AUD|Low: $5,175 AUD|High: $13,109 AUD|Avg: $7,772 AUD|-6.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$5,175 AUD
Retailer 10$5,523 AUD
Retailer 5$5,764 AUD
Retailer 3$5,798 AUD
Retailer 7$6,127 AUD
Retailer 6$6,249 AUD
Retailer 2$8,278 AUD
Retailer 9$9,047 AUD
Retailer 4$10,726 AUD
NZ Jewellers$12,254 AUD

29 data points across 10 retailers

8 retailers$5,175 AUD to $12,254 AUD

A
Cheapest Retailer
-
$5,175 AUD
HK$28,400 HKD
A
Retailer 2
-
$5,764 AUD
$4,049 USD
View
A
Retailer 3
-
$5,798 AUD
$4,073 USD
View
A
Retailer 4
-
$6,127 AUD
$4,304 USD
View
Final sale: no returns
A
Retailer 5
-
$6,249 AUD
$4,389 USD
View
A
Retailer 6
-
$8,278 AUD
€5,538 EUR
View
B+
Retailer 7
-
$10,726 AUD
$7,534 USD
View
Most Expensive
B
NZ Jewellers
dfa1bd29-cc02-4b2c-8de2-69da56357bcc · Oct 30
$12,254 AUD
$8,608 USD
View
7 more retailers have this diamond
Prices start from $5,175 AUDSave up to $7,079 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 Radiant
$5,175 AUD