Round|Natural|GIA

3.21ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6545538084

Certificate GIA 6545538084

Diamond specifications and retailer prices

From $29,985 USD
Save $5,360 USD (15%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $35,345 USD at Blue Nile
View at Blue Nile

About this 3.21ct natural round diamond

This 3.21ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545538084. Listed at 3 retailers, with prices from $29,985 to $35,345 at Blue Nile, a $5,360 spread on the same certified stone. 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

3.21
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6545538084
Dimensions9.48 × 9.54 × 5.73 mm
L/W Ratio1.01
Top View
9.48 mm9.54 mm3.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545538084
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $35,345 USD|Low: $31,885 USD|High: $49,702 USD|Avg: $38,528 USD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 27, 2026
Retailer 2$32,110 USD
Blue Nile$35,345 USD
Retailer 4$36,899 USD
Retailer 5$37,674 USD
Retailer 3$49,702 USD

3 data points across 5 retailers

3 retailers$29,985 USD to $35,345 USD

B+
Cheapest Retailer
-
$29,985 USD
B+
Retailer 2
-
$32,110 USD
View
Most Expensive
B
Blue Nile
29959931 · Oct 1
$35,345 USD
View
2 more retailers have this diamond
Prices start from $29,985 USDSave up to $5,360 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.

B+
3.21ct Round
$29,985 USD