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Round|Natural|GIA

1.30ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2566500090

Certificate GIA 2566500090

Diamond specifications and retailer prices

From $3,789 USD
As of November 1, 2026
Save $4,067 USD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,856 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566500090. Listed at 14 retailers as of November 1, 2026, with prices from $3,789 to $7,856, a $4,067 spread on the same certified stone. MOH London lists it at $7,856. 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

1.30
Carat
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566500090
Dimensions6.90 × 6.94 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.90 mm6.94 mm1.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566500090
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

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: Nov 1
Current: $7,856 USD|Low: $3,789 USD|High: $7,898 USD|Avg: $5,056 USD|-0.5%
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
November 1, 2026
Retailer 8$3,789 USD
Retailer 4$3,942 USD
Retailer 7$4,219 USD
Retailer 10$4,543 USD
Retailer 12$4,867 USD
Retailer 6$4,874 USD
Retailer 3$5,020 USD
Retailer 13$5,020 USD
Retailer 5$5,190 USD
Retailer 2$5,247 USD
Retailer 11$5,445 USD
Retailer 9$5,678 USD
MOH London$7,856 USD

4 data points across 13 retailers

14 retailers$3,789 USD to $7,856 USD

A
Cheapest Retailer
-
$3,789 USD
A
Retailer 2
-
$3,942 USD
View
A
Retailer 3
-
$4,079 USD
A$6,275 AUD
View
A
Retailer 4
-
$4,219 USD
CA$5,860 CAD
View
B+
Retailer 5
-
$4,543 USD
View
B+
Retailer 6
-
$4,867 USD
View
B+
Retailer 7
-
$4,874 USD
£3,838 GBP
View
B+
Retailer 8
-
$4,900 USD
View
B+
Retailer 9
-
$5,020 USD
View
B+
Retailer 10
-
$5,020 USD
View
B+
Retailer 11
-
$5,190 USD
View
B+
Retailer 12
-
$5,247 USD
€4,997 EUR
View
B
Retailer 13
-
$5,678 USD
View
Most Expensive
B
MOH London
4F069E727 · Nov 1
$7,856 USD
£6,186 GBP
View
13 more retailers have this diamond
Prices start from $3,789 USDSave up to $4,067 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
1.30ct Round
$3,789 USD