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Round|Natural|GIA

3.05ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1545102901

Certificate GIA 1545102901

Diamond specifications and retailer prices

From $27,917 USD
£21,982 GBP
As of November 2, 2026
Save $11,901 USD (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $39,818 USD at MOH London · As of November 2, 2026
View at MOH London

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1545102901. Listed at 5 retailers as of November 2, 2026, with prices from $27,917 to $39,818, a $11,901 spread on the same certified stone. MOH London lists it at $39,818. 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

3.05
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1545102901
Dimensions9.37 × 9.31 × 5.69 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.37 mm9.31 mm3.05 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545102901
Side View
Table 60.0%Crown 31.5°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $39,818 USD|Low: $22,660 USD|High: $39,818 USD|Avg: $28,289 USD
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
November 2, 2026
Retailer 10$22,660 USD
Retailer 11$24,156 USD
Retailer 13$26,805 USD
Retailer 12$27,129 USD
Retailer 3$27,634 USD
Retailer 4$27,680 USD
Retailer 8$27,917 USD
Retailer 5$28,835 USD
Retailer 14$28,861 USD
Retailer 7$29,256 USD
Retailer 6$32,028 USD
Retailer 9$35,223 USD
Retailer 2$35,761 USD
MOH London$39,818 USD

26 data points across 14 retailers

5 retailers$27,917 USD to $39,818 USD

Retailer 1
-
$22,660 USD
Price last confirmed 15 days ago
B
Retailer 2
-
$27,917 USD
£21,982 GBP
View
B
Retailer 3
-
$29,256 USD
View
B
Retailer 4
-
$35,761 USD
View
Most Expensive
B
MOH London
D63D7D39D · Nov 2
$39,818 USD
£31,353 GBP
View
4 more retailers have this diamond
Prices start from $27,917 USDSave up to $11,901 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
3.05ct Round
$27,917 USD