Oval|Natural|GIA

1.51ct I I1 Oval Natural Diamond

I/I1 • GIA 2457090839

Certificate GIA 2457090839

Diamond specifications and retailer prices

From $6,302 NZD
HK$27,700 HKD
As of November 1, 2026
Save $2,512 NZD (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $13,571 NZD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included) and certified by GIA 2457090839. Listed at 8 retailers as of November 1, 2026, with a 40% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2457090839
Dimensions8.80 × 6.52 × 3.92 mm
L/W Ratio1.35
Top View
8.80 mm6.52 mm1.51 ctI / I1
OriginNatural
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2457090839
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $8,814 NZD|Low: $5,192 NZD|High: $9,444 NZD|Avg: $7,549 NZD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9$5,192 NZD
Retailer 2$6,302 NZD
Retailer 5$6,855 NZD
Retailer 7$6,871 NZD
Retailer 3$7,790 NZD
Retailer 6$7,790 NZD
Retailer 1$8,814 NZD
Retailer 4$8,988 NZD
Retailer 8$9,444 NZD

18 data points across 9 retailers

8 retailers$6,302 NZD to $8,814 NZD

B+
Cheapest Retailer
-
$6,302 NZD
HK$27,700 HKD
B+
Retailer 2
-
$6,855 NZD
$3,857 USD
View
Retailer 3
-
$7,790 NZD
$4,383 USD
View
Price last confirmed 25 days ago
Retailer 4
-
$7,790 NZD
$4,383 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$7,790 NZD
$4,383 USD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$8,814 NZD
€4,723 EUR
View
Retailer 7
-
$8,988 NZD
$5,057 USD
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
9941715f-ff5c-4ffc-96d9-6e02004b4bac · Sep 30
$13,571 NZD
$7,636 USD
View
Price last confirmed 33 days ago
7 more retailers have this diamond
Prices start from $6,302 NZDSave up to $2,512 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.

B+
1.51ct Oval
$6,302 NZD