CaratHunter
Plans
Round|Natural|GIA

1.33ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 3535007950

Certificate GIA 3535007950

Diamond specifications and retailer prices

From $2,880 SGD
As of November 5, 2026
Save $2,343 SGD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,250 SGD at NZ Jewellers · As of September 26, 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 3535007950. Listed at 10 retailers as of November 4, 2026, with a 81% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3535007950
Dimensions7.03 × 6.99 × 4.33 mm
L/W Ratio1.01
Star length50%
Top View
7.03 mm6.99 mm1.33 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3535007950
Side View
Table 59.0%Crown 36°GirdlePavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $3,648 SGD|Low: $2,880 SGD|High: $5,678 SGD|Avg: $3,787 SGD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$2,880 SGD
Retailer 3$3,230 SGD
Retailer 1$3,648 SGD
Retailer 2$3,709 SGD
Retailer 4$5,223 SGD

42 data points across 5 retailers

10 retailers$2,880 SGD to $5,223 SGD

A
Cheapest Retailer
-
$2,880 SGD
Retailer 2
-
$2,990 SGD
View
Price last confirmed 29 days ago
Retailer 3
-
$2,990 SGD
View
Price last confirmed 29 days ago
Retailer 4
-
$3,128 SGD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$3,230 SGD
View
Retailer 6
-
$3,450 SGD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$3,648 SGD
View
B+
Retailer 8
-
$3,709 SGD
View
B
Retailer 9
-
$5,223 SGD
View
Most Expensive
NZ Jewellers
8099c4c9-5861-4011-9261-1112a73341e9 · Sep 26
$6,250 SGD
$4,893 USD
View
Price last confirmed 40 days ago
9 more retailers have this diamond
Prices start from $2,880 SGDSave up to $2,343 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.

A
1.33ct Round
$2,880 SGD