Round|Natural|GIA

3.21ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7521948110

Certificate GIA 7521948110

Diamond specifications and retailer prices

From $37,508 USD
CA$52,094 CAD
As of October 30, 2026
Save $9,728 USD (21%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $47,235 USD at Yorxs · As of October 30, 2026
View at Yorxs

About this 3.21ct natural round diamond

This 3.21ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7521948110. Listed at 7 retailers as of October 30, 2026, with prices from $37,508 to $47,235, a $9,728 spread on the same certified stone. Yorxs lists it at $47,235. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7521948110
Dimensions9.35 × 9.40 × 5.84 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Feather, Crystal, Cloud, Pinpoint
Top View
9.35 mm9.40 mm3.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521948110
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°CuletDepth 62.2%

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: Oct 30
Current: $38,071 USD|Low: $37,508 USD|High: $47,235 USD|Avg: $42,030 USD|+0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
October 30, 2026
Retailer 4$37,508 USD
Retailer 1$38,071 USD
Retailer 5$39,475 USD
Retailer 7$39,644 USD
Retailer 2$42,064 USD
Retailer 3$46,270 USD
Retailer 6$46,917 USD
Yorxs$47,235 USD

21 data points across 8 retailers

7 retailers$37,508 USD to $47,235 USD

B+
Cheapest Retailer
-
$37,508 USD
CA$52,094 CAD
B+
Retailer 2
-
$38,071 USD
View
B
Retailer 3
-
$39,475 USD
View
B
Retailer 4
-
$42,064 USD
View
B
Retailer 5
-
$46,270 USD
View
B
Retailer 6
-
$46,917 USD
View
Most Expensive
B
Yorxs
571363841 · Oct 30
$47,235 USD
€44,986 EUR
View
6 more retailers have this diamond
Prices start from $37,508 USDSave up to $9,728 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.

B+
3.21ct Round
$37,508 USD