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Oval|Natural|GIA

1.51ct F I1 Oval Natural Diamond

EX • F/I1 • GIA 1553949091

Certificate GIA 1553949091

Diamond specifications and retailer prices

From $8,837 NZD
$4,972 USD
As of November 1, 2026
Save $9,690 NZD (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $18,527 NZD 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 $8,837 to $18,527, a $9,690 spread on the same certified stone. NZ Jewellers lists it at $18,527. 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
Colour
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: $18,527 NZD|Low: $8,405 NZD|High: $18,560 NZD|Avg: $11,428 NZD|+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$8,837 NZD
Retailer 7$10,035 NZD
Retailer 8$10,035 NZD
Retailer 5$10,132 NZD
Retailer 4$10,195 NZD
Retailer 6$11,579 NZD
Retailer 9$12,150 NZD
Retailer 2$12,218 NZD
NZ Jewellers$18,527 NZD

23 data points across 9 retailers

8 retailers$8,837 NZD to $18,527 NZD

A
Cheapest Retailer
-
$8,837 NZD
$4,972 USD
B+
Retailer 2
-
$10,035 NZD
$5,646 USD
View
B+
Retailer 3
-
$10,035 NZD
$5,646 USD
View
B+
Retailer 4
-
$10,132 NZD
$5,701 USD
View
B+
Retailer 5
-
$10,195 NZD
$5,736 USD
View
B+
Retailer 6
-
$11,579 NZD
$6,515 USD
View
B
Retailer 7
-
$12,218 NZD
€6,547 EUR
View
Most Expensive
C
NZ Jewellers
18c8ebaa-0cb7-47d8-979b-d9c6601701bc · Oct 30
$18,527 NZD
$10,424 USD
View
7 more retailers have this diamond
Prices start from $8,837 NZDSave up to $9,690 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 Oval
$8,837 NZD