Round|Natural|GIA

1.33ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2494851182

Certificate GIA 2494851182

Diamond specifications and retailer prices

From $2,689 USD
As of November 4, 2026
Save $3,402 USD (56%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,091 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.33ct natural round diamond

This 1.33ct natural round 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 and certified by GIA 2494851182. Listed at 5 retailers as of November 4, 2026, with prices from $2,689 to $6,091, a $3,402 spread on the same certified stone. NZ Jewellers lists it at $6,091. 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

1.33
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2494851182
Dimensions6.99 × 7.02 × 4.41 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.99 mm7.02 mm1.33 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2494851182
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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 4
Current: $6,091 USD|Low: $2,689 USD|High: $6,091 USD|Avg: $4,082 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$2,689 USD
Retailer 5$2,816 USD
Retailer 2$3,221 USD
Retailer 3$4,859 USD
NZ Jewellers$6,091 USD

20 data points across 5 retailers

5 retailers$2,689 USD to $6,091 USD

B+
Cheapest Retailer
-
$2,689 USD
Final sale: no returns
B+
Retailer 2
-
$2,816 USD
View
B+
Retailer 3
-
$3,221 USD
View
B
Retailer 4
-
$4,859 USD
View
Most Expensive
B
NZ Jewellers
fe7e8739-efb6-475d-a2bf-5c55b5505f55 · Nov 5
$6,091 USD
View
4 more retailers have this diamond
Prices start from $2,689 USDSave up to $3,402 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+
1.33ct Round
$2,689 USD