Radiant|Natural|GIA

1.51ct E I1 Radiant Natural Diamond

ID • E/I1 • GIA 1549897802

Certificate GIA 1549897802

Diamond specifications and retailer prices

From $5,632 NZD
HK$24,800 HKD
As of October 31, 2026
Save $2,714 NZD (33%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,848 NZD at NZ Jewellers · As of October 18, 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 1549897802. Listed at 9 retailers as of October 31, 2026, with a 48% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549897802
Dimensions7.65 × 5.84 × 3.99 mm
L/W Ratio1.31
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity, Needle, Natural
Top View
7.65 mm5.84 mm1.51 ctE / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549897802
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.4%

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: $12,848 NZD|Low: $5,587 NZD|High: $13,061 NZD|Avg: $7,891 NZD|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2$5,632 NZD
Retailer 4$6,000 NZD
Retailer 8$6,670 NZD
Retailer 7$6,890 NZD
Retailer 6$7,374 NZD
Retailer 3$8,346 NZD
Retailer 5$8,510 NZD
Retailer 9$8,979 NZD
NZ Jewellers$12,848 NZD

45 data points across 9 retailers

9 retailers$5,632 NZD to $8,346 NZD

A
Cheapest Retailer
-
$5,632 NZD
HK$24,800 HKD
A
Retailer 2
-
$6,000 NZD
₹322,062 INR
View
A
Retailer 3
-
$6,890 NZD
$3,883 USD
View
Retailer 4
-
$7,374 NZD
$4,156 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$7,374 NZD
$4,156 USD
View
Price last confirmed 14 days ago
Retailer 6
-
$7,374 NZD
$4,156 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$8,346 NZD
€4,480 EUR
View
Retailer 8
-
$8,510 NZD
$4,796 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
388efef6-51ad-4ff0-9928-5df108353824 · Oct 18
$12,848 NZD
$7,241 USD
View
Price last confirmed 13 days ago
8 more retailers have this diamond
Prices start from $5,632 NZDSave up to $2,714 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
$5,632 NZD