Round|Natural|GIA

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552698078

Certificate GIA 6552698078

Diamond specifications and retailer prices

From $34,160 USD
As of October 30, 2026
Save $23,144 USD (40%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $57,304 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.5ct natural round diamond

This 3.5ct 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 6552698078. Listed at 10 retailers as of October 29, 2026, with prices from $34,160 to $57,304, a $23,144 spread on the same certified stone. MOH London lists it at $57,304. 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

3.50
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552698078
Dimensions9.60 × 9.66 × 6.05 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Needle
Top View
9.60 mm9.66 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552698078
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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 30
Current: $57,304 USD|Low: $34,160 USD|High: $58,856 USD|Avg: $42,720 USD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$34,160 USD
Retailer 6$36,424 USD
Retailer 10$36,569 USD
Retailer 9$38,017 USD
Retailer 7$39,070 USD
Retailer 4$41,964 USD
Retailer 5$43,642 USD
Retailer 2$44,442 USD
Retailer 3$50,530 USD
MOH London$57,304 USD

34 data points across 10 retailers

10 retailers$34,160 USD to $57,304 USD

A
Cheapest Retailer
-
$34,160 USD
B+
Retailer 2
-
$36,424 USD
View
Retailer 3
-
$36,569 USD
A$56,260 AUD
View
Price last confirmed 27 days ago
B+
Retailer 4
-
$38,017 USD
View
B+
Retailer 5
-
$39,070 USD
View
B+
Retailer 6
-
$41,964 USD
View
B
Retailer 7
-
$43,642 USD
View
B
Retailer 8
-
$44,442 USD
£34,994 GBP
View
B
Retailer 9
-
$50,530 USD
View
Most Expensive
B
MOH London
9BC1B674E · Oct 29
$57,304 USD
£45,121 GBP
View
9 more retailers have this diamond
Prices start from $34,160 USDSave up to $23,144 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
3.50ct Round
$34,160 USD