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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 $4,261 SGD
As of November 6, 2026
Save $3,752 SGD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,014 SGD at Wholesale Diamonds Direct · As of November 6, 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 6, 2026, with prices from $4,261 to $8,014, a $3,752 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,014. 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
Colour
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: $5,894 SGD|Low: $4,204 SGD|High: $6,381 SGD|Avg: $5,480 SGD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$4,261 SGD
Retailer 4$5,463 SGD
Retailer 1$5,894 SGD
Retailer 2$6,295 SGD

42 data points across 4 retailers

8 retailers$4,261 SGD to $8,014 SGD

B+
Cheapest Retailer
-
$4,261 SGD
B+
Retailer 2
-
$4,261 SGD
View
B+
Retailer 3
-
$4,366 SGD
View
B
Retailer 4
-
$5,463 SGD
View
B
Retailer 5
-
$5,463 SGD
View
B
Retailer 6
-
$5,894 SGD
View
B
Retailer 7
-
$6,295 SGD
View
Most Expensive
C
Wholesale Diamonds Direct
89348821 · Nov 6
$8,014 SGD
$6,253 USD
View
7 more retailers have this diamond
Prices start from $4,261 SGDSave up to $3,752 SGD

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
$4,261 SGD