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Oval|Natural|GIA

1.31ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7438205199

Certificate GIA 7438205199

Diamond specifications and retailer prices

From $3,325 USD
As of November 6, 2026
Save $2,928 USD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,253 USD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7438205199. Listed at 8 retailers as of November 4, 2026, with prices from $3,325 to $6,253, a $2,928 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,253. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.31
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle41.42°
Pavilion angle38.75°
OriginNatural
Grading LabGIA
CertificateGIA 7438205199
Dimensions8.58 × 5.85 × 3.83 mm
L/W Ratio1.47
Top View
8.58 mm5.85 mm1.31 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7438205199
Side View
Table 59.0%Crown 41.42°Girdle: Extremely ThickPavilion 38.75°Culet: NoneDepth 65.5%

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 6
Current: $4,599 USD|Low: $3,280 USD|High: $4,979 USD|Avg: $4,276 USD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$3,325 USD
Retailer 4$4,263 USD
Retailer 1$4,599 USD
Retailer 2$4,912 USD

42 data points across 4 retailers

8 retailers$3,325 USD to $6,253 USD

B+
Cheapest Retailer
-
$3,325 USD
B+
Retailer 2
-
$3,325 USD
View
B+
Retailer 3
-
$3,407 USD
View
B
Retailer 4
-
$4,263 USD
View
B
Retailer 5
-
$4,263 USD
View
B
Retailer 6
-
$4,599 USD
View
B
Retailer 7
-
$4,912 USD
View
Most Expensive
C
Wholesale Diamonds Direct
89348821 · Nov 4
$6,253 USD
View
7 more retailers have this diamond
Prices start from $3,325 USDSave up to $2,928 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+
1.31ct Oval
$3,325 USD