Oval|Natural|GIA

1.51ct F I1 Oval Natural Diamond

EX • F/I1 • GIA 1553949091

Certificate GIA 1553949091

Diamond specifications and retailer prices

From $4,972 USD
As of November 1, 2026
Save $5,452 USD (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,424 USD at NZ Jewellers · As of October 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 F colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553949091. Listed at 8 retailers as of October 30, 2026, with prices from $4,972 to $10,424, a $5,452 spread on the same certified stone. NZ Jewellers lists it at $10,424. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.87°
OriginNatural
Grading LabGIA
CertificateGIA 1553949091
Dimensions9.22 × 6.27 × 4.00 mm
L/W Ratio1.47
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle
Top View
9.22 mm6.27 mm1.51 ctF / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553949091
Side View
Table 55.0%Crown 35.87°Girdle: STK-VTHPavilionCulet: NoneDepth 63.8%

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: Nov 1
Current: $10,424 USD|Low: $4,729 USD|High: $10,443 USD|Avg: $6,430 USD|+5.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$4,972 USD
Retailer 7$5,646 USD
Retailer 8$5,646 USD
Retailer 5$5,701 USD
Retailer 4$5,736 USD
Retailer 6$6,515 USD
Retailer 9$6,836 USD
Retailer 2$6,874 USD
NZ Jewellers$10,424 USD

23 data points across 9 retailers

8 retailers$4,972 USD to $10,424 USD

A
Cheapest Retailer
-
$4,972 USD
B+
Retailer 2
-
$5,646 USD
View
B+
Retailer 3
-
$5,646 USD
View
B+
Retailer 4
-
$5,701 USD
View
B+
Retailer 5
-
$5,736 USD
View
B+
Retailer 6
-
$6,515 USD
View
B
Retailer 7
-
$6,874 USD
€6,547 EUR
View
Most Expensive
C
NZ Jewellers
18c8ebaa-0cb7-47d8-979b-d9c6601701bc · Oct 30
$10,424 USD
View
7 more retailers have this diamond
Prices start from $4,972 USDSave up to $5,452 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.

A
1.51ct Oval
$4,972 USD