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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 $6,495 NZD
HK$28,600 HKD
As of October 31, 2026
Save $8,778 NZD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $15,273 NZD 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 $6,495 to $15,273, a $8,778 spread on the same certified stone. NZ Jewellers lists it at $15,273. 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 31
Current: $15,273 NZD|Low: $6,450 NZD|High: $16,338 NZD|Avg: $9,675 NZD|-6.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 2$6,495 NZD
Retailer 10$6,884 NZD
Retailer 6$7,184 NZD
Retailer 4$7,227 NZD
Retailer 8$7,637 NZD
Retailer 7$7,788 NZD
Retailer 3$10,334 NZD
Retailer 9$11,275 NZD
Retailer 5$13,368 NZD
NZ Jewellers$15,273 NZD

30 data points across 10 retailers

8 retailers$6,495 NZD to $15,273 NZD

A
Cheapest Retailer
-
$6,495 NZD
HK$28,600 HKD
A
Retailer 2
-
$7,184 NZD
$4,049 USD
View
A
Retailer 3
-
$7,227 NZD
$4,073 USD
View
A
Retailer 4
-
$7,637 NZD
$4,304 USD
View
Final sale: no returns
A
Retailer 5
-
$7,788 NZD
$4,389 USD
View
A
Retailer 6
-
$10,334 NZD
€5,547 EUR
View
B+
Retailer 7
-
$13,368 NZD
$7,534 USD
View
Most Expensive
B
NZ Jewellers
dfa1bd29-cc02-4b2c-8de2-69da56357bcc · Oct 30
$15,273 NZD
$8,608 USD
View
7 more retailers have this diamond
Prices start from $6,495 NZDSave up to $8,778 NZD

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
$6,495 NZD