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3.30ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 683598440

Shape and cutting style on the report: Round brilliant

Certificate IGI 683598440

Diamond specifications and retailer prices

From $24,180 USD
As of October 29, 2026
Save $13,680 USD (36%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $37,860 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.3ct natural round diamond

This 3.3ct 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 IGI 683598440. Listed at 14 retailers as of October 29, 2026, with prices from $24,180 to $37,860, a $13,680 spread on the same certified stone. MOH London lists it at $37,860. 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

3.30
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 683598440
Dimensions9.58 × 9.61 × 5.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
9.58 mm9.61 mm3.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 683598440
Side View
Table 61.0%Crown 31.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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: Oct 29
Current: $37,860 USD|Low: $24,180 USD|High: $38,111 USD|Avg: $28,664 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 14$24,180 USD
Retailer 6$24,232 USD
Retailer 8$24,696 USD
Retailer 12$25,506 USD
Retailer 5$25,900 USD
Retailer 11$26,615 USD
Retailer 10$27,946 USD
Retailer 7$28,326 USD
Retailer 13$28,833 USD
Retailer 2$29,362 USD
Retailer 4$29,942 USD
Retailer 9$31,092 USD
Retailer 3$34,159 USD
MOH London$37,860 USD

40 data points across 14 retailers

14 retailers$24,180 USD to $37,860 USD

A
Cheapest Retailer
-
$24,180 USD
A
Retailer 2
-
$24,232 USD
View
A
Retailer 3
-
$24,696 USD
£19,446 GBP
View
A
Retailer 4
-
$25,506 USD
View
Final sale: no returns
A
Retailer 5
-
$25,900 USD
View
A
Retailer 6
-
$26,615 USD
View
A
Retailer 7
-
$27,946 USD
View
A
Retailer 8
-
$28,326 USD
€26,977 EUR
View
B+
Retailer 9
-
$28,833 USD
View
A
Retailer 10
-
$29,362 USD
£23,120 GBP
View
B+
Retailer 11
-
$29,942 USD
View
B+
Retailer 12
-
$31,092 USD
ZAR 502,290 ZAR
View
B+
Retailer 13
-
$34,159 USD
View
Most Expensive
B
MOH London
D4353BCF9 · Oct 29
$37,860 USD
£29,811 GBP
View
13 more retailers have this diamond
Prices start from $24,180 USDSave up to $13,680 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.

A
3.30ct Round
$24,180 USD