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Round|Natural|GIA

3.09ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 05

Certificate GIA 05

Diamond specifications and retailer prices

From $32,640 SGD
As of November 4, 2026
Save $2,845 SGD (8%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $35,485 SGD at B2C Jewels · As of November 4, 2026
View at B2C Jewels

About this 3.09ct natural round diamond

This 3.09ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 2 retailers as of November 4, 2026, with a relatively tight 9% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.09
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 05
Dimensions9.26 × 9.34 mm
L/W Ratio1.01
Top View
9.26 mm9.34 mm3.09 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 05
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $35,485 SGD|Low: $32,640 SGD|High: $35,485 SGD|Avg: $33,696 SGD|+1.2%
B2C Jewels
Retailer 2
September 23, 2026
Retailer 2$32,640 SGD
B2C Jewels$35,485 SGD

3 data points across 2 retailers

2 retailers$32,640 SGD to $35,485 SGD

B+
Cheapest Retailer
-
$32,640 SGD
Most Expensive
B
B2C Jewels
23768522 · Nov 4
$35,485 SGD
$27,781 USD
View
1 more retailer has this diamond
Prices start from $32,640 SGDSave up to $2,845 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+
3.09ct Round
$32,640 SGD