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Oval|Natural|GIA

1.31ct I IF Oval Natural Diamond

ID • I/IF • GIA 16

Certificate GIA 16

Diamond specifications and retailer prices

From $8,729 NZD
As of November 4, 2026
Save $2,272 NZD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $11,001 NZD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.31ct natural oval diamond

This 1.31ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from $8,729 to $11,001, a $2,272 spread on the same certified stone. Blue Nile lists it at $11,001. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
I
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 16
Dimensions8.79 × 6.28 × 3.88 mm
L/W Ratio1.40
Top View
8.79 mm6.28 mm1.31 ctI / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 16
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.7%

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 4
Current: $11,001 NZD|Low: $8,613 NZD|High: $11,001 NZD|Avg: $9,468 NZD
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 2$8,729 NZD
Retailer 3$9,314 NZD
Blue Nile$11,001 NZD

4 data points across 3 retailers

3 retailers$8,729 NZD to $11,001 NZD

A
Cheapest Retailer
-
$8,729 NZD
A
Retailer 2
-
$9,314 NZD
View
Most Expensive
B+
Blue Nile
29751030 · Nov 5
$11,001 NZD
$6,184 USD
View
2 more retailers have this diamond
Prices start from $8,729 NZDSave up to $2,272 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
1.31ct Oval
$8,729 NZD