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Round|Natural|GIA

3.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1236289670

Certificate GIA 1236289670

Diamond specifications and retailer prices

From $29,269 USD
As of October 30, 2026
Save $20,711 USD (41%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $49,980 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1236289670. Listed at 10 retailers as of October 29, 2026, with prices from $29,269 to $49,980, a $20,711 spread on the same certified stone. MOH London lists it at $49,980. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1236289670
Dimensions9.19 × 9.27 × 5.67 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Top View
9.19 mm9.27 mm3.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1236289670
Side View
Table 58.0%Crown 34.5°Girdle: STK-STKPavilion 40.8°CuletDepth 61.5%

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: $49,980 USD|Low: $29,269 USD|High: $50,312 USD|Avg: $37,357 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8$29,269 USD
Retailer 3$32,125 USD
Retailer 6$33,158 USD
Retailer 9$33,423 USD
Retailer 5$34,484 USD
Retailer 7$35,810 USD
Retailer 4$37,839 USD
Retailer 2$39,268 USD
MOH London$49,980 USD

40 data points across 9 retailers

10 retailers$29,269 USD to $49,980 USD

B+
Cheapest Retailer
-
$29,269 USD
B+
Retailer 2
-
$30,308 USD
CA$42,094 CAD
View
B+
Retailer 3
-
$32,125 USD
£25,295 GBP
View
B+
Retailer 4
-
$33,158 USD
View
B+
Retailer 5
-
$33,423 USD
View
B
Retailer 6
-
$34,484 USD
View
B
Retailer 7
-
$35,810 USD
View
B
Retailer 8
-
$37,839 USD
€36,037 EUR
View
B
Retailer 9
-
$39,268 USD
£30,920 GBP
View
Most Expensive
B
MOH London
DBC8824C7 · Oct 29
$49,980 USD
£39,354 GBP
View
9 more retailers have this diamond
Prices start from $29,269 USDSave up to $20,711 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+
3.00ct Round
$29,269 USD