Round|Natural|GIA

3.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2557312305

Certificate GIA 2557312305

Diamond specifications and retailer prices

From $28,549 USD
As of October 30, 2026
Save $16,055 USD (36%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $44,604 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557312305. Listed at 14 retailers as of October 29, 2026, with prices from $28,549 to $44,604, a $16,055 spread on the same certified stone. MOH London lists it at $44,604. 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

3.00
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 2557312305
Dimensions9.05 × 9.12 × 5.78 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.05 mm9.12 mm3.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2557312305
Side View
Table 55.0%Crown 36.5°Girdle: MediumPavilionCulet: NoneDepth 63.6%

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 30
Current: $44,604 USD|Low: $28,363 USD|High: $45,453 USD|Avg: $33,525 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$28,549 USD
Retailer 5$28,626 USD
Retailer 4$28,692 USD
Retailer 11$29,592 USD
Retailer 7$30,345 USD
Retailer 2$31,525 USD
Retailer 3$32,925 USD
Retailer 9$33,970 USD
Retailer 6$34,418 USD
Retailer 12$35,277 USD
Retailer 8$36,631 USD
MOH London$44,604 USD

41 data points across 12 retailers

14 retailers$28,549 USD to $44,604 USD

A
Cheapest Retailer
-
$28,549 USD
A
Retailer 2
-
$28,626 USD
View
Final sale: no returns
Retailer 3
-
$28,692 USD
A$44,141 AUD
View
Price last confirmed 27 days ago
Retailer 4
-
$29,592 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$29,995 USD
View
Price last confirmed 43 days ago
B+
Retailer 6
-
$30,345 USD
View
B+
Retailer 7
-
$31,525 USD
£24,822 GBP
View
B+
Retailer 8
-
$32,925 USD
View
Retailer 9
-
$33,970 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$34,418 USD
€32,779 EUR
View
Retailer 11
-
$35,277 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$35,758 USD
View
Price last confirmed 42 days ago
B
Retailer 13
-
$36,631 USD
ZAR 591,778 ZAR
View
Most Expensive
B
MOH London
31F277C67 · Oct 29
$44,604 USD
£35,121 GBP
View
13 more retailers have this diamond
Prices start from $28,549 USDSave up to $16,055 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
3.00ct Round
$28,549 USD