Oval|Natural|GIA

1.51ct I I1 Oval Natural Diamond

I/I1 • GIA 2457090839

Certificate GIA 2457090839

Diamond specifications and retailer prices

From $3,546 USD
HK$27,700 HKD
As of November 1, 2026
Save $1,415 USD (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,636 USD 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 October 31, 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,546 USD|Low: $2,921 USD|High: $5,313 USD|Avg: $4,247 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9$2,921 USD
Retailer 1$3,546 USD
Retailer 5$3,857 USD
Retailer 7$3,866 USD
Retailer 3$4,383 USD
Retailer 6$4,383 USD
Retailer 2$4,960 USD
Retailer 4$5,057 USD
Retailer 8$5,313 USD

17 data points across 9 retailers

8 retailers$3,546 USD to $4,960 USD

B+
Cheapest Retailer
-
$3,546 USD
HK$27,700 HKD
B+
Retailer 2
-
$3,857 USD
View
Retailer 3
-
$4,383 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$4,383 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$4,383 USD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$4,960 USD
€4,724 EUR
View
Retailer 7
-
$5,057 USD
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
9941715f-ff5c-4ffc-96d9-6e02004b4bac · Sep 30
$7,636 USD
View
Price last confirmed 32 days ago
7 more retailers have this diamond
Prices start from $3,546 USDSave up to $1,415 USD

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
$3,546 USD