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Round|Natural|GIA

1.33ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7561568121

Certificate GIA 7561568121

Diamond specifications and retailer prices

From $2,803 USD
As of November 6, 2026
Save $3,322 USD (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,125 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 7561568121. Listed at 12 retailers as of November 5, 2026, with prices from $2,803 to $6,125, a $3,322 spread on the same certified stone. NZ Jewellers lists it at $6,125. 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
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7561568121
Dimensions7.00 × 7.03 × 4.38 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Pinpoint
Top View
7.00 mm7.03 mm1.33 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7561568121
Side View
Table 56.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,125 USD|Low: $2,801 USD|High: $6,125 USD|Avg: $3,540 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$2,803 USD
Retailer 10$2,820 USD
Retailer 3$2,930 USD
Retailer 11$2,930 USD
Retailer 12$3,043 USD
Retailer 5$3,083 USD
Retailer 4$3,381 USD
Retailer 8$3,404 USD
Retailer 6$3,416 USD
Retailer 7$3,576 USD
Retailer 9$4,886 USD
NZ Jewellers$6,125 USD

13 data points across 12 retailers

12 retailers$2,803 USD to $6,125 USD

A
Cheapest Retailer
-
$2,803 USD
B+
Retailer 2
-
$2,820 USD
View
Retailer 3
-
$2,930 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$2,930 USD
View
B+
Retailer 5
-
$3,043 USD
View
B+
Retailer 6
-
$3,083 USD
View
B+
Retailer 7
-
$3,381 USD
View
B+
Retailer 8
-
$3,404 USD
View
B+
Retailer 9
-
$3,416 USD
View
B
Retailer 10
-
$3,576 USD
View
B
Retailer 11
-
$4,886 USD
View
Most Expensive
B
NZ Jewellers
318925d1-9218-4b2b-8a46-aa1e9a5821c1 · Nov 5
$6,125 USD
View
11 more retailers have this diamond
Prices start from $2,803 USDSave up to $3,322 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.

A
1.33ct Round
$2,803 USD