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Round|Natural|GIA

1.33ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2494851182

Certificate GIA 2494851182

Diamond specifications and retailer prices

From $3,435 SGD
As of November 4, 2026
Save $4,345 SGD (56%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,780 SGD 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 $3,435 to $7,780, a $4,345 spread on the same certified stone. NZ Jewellers lists it at $7,780. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $7,780 SGD|Low: $3,435 SGD|High: $7,780 SGD|Avg: $5,213 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$3,435 SGD
Retailer 5$3,597 SGD
Retailer 2$4,114 SGD
Retailer 3$6,206 SGD
NZ Jewellers$7,780 SGD

20 data points across 5 retailers

5 retailers$3,435 SGD to $7,780 SGD

B+
Cheapest Retailer
-
$3,435 SGD
Final sale: no returns
B+
Retailer 2
-
$3,597 SGD
View
B+
Retailer 3
-
$4,114 SGD
View
B
Retailer 4
-
$6,206 SGD
View
Most Expensive
B
NZ Jewellers
fe7e8739-efb6-475d-a2bf-5c55b5505f55 · Nov 5
$7,780 SGD
$6,091 USD
View
4 more retailers have this diamond
Prices start from $3,435 SGDSave up to $4,345 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+
1.33ct Round
$3,435 SGD