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Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 7548669833

Certificate GIA 7548669833

Diamond specifications and retailer prices

From $21,617 USD
As of November 1, 2026
Save $4,866 USD (18%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $26,483 USD at Aurelinne · As of November 2, 2026
View at Aurelinne

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7548669833. Listed at 8 retailers as of November 1, 2026, with prices from $21,617 to $26,483, a $4,866 spread on the same certified stone. Aurelinne lists it at $26,483. 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

2.51
Carat
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7548669833
Dimensions8.65 × 5.40 × 5.40 mm
L/W Ratio1.60
Culet sizeNone
Top View
8.65 mm5.40 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7548669833
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $21,617 USD|Low: $14,353 USD|High: $26,072 USD|Avg: $19,956 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3$14,353 USD
Retailer 9$16,719 USD
Retailer 8$18,181 USD
Retailer 13$18,200 USD
Retailer 12$18,346 USD
Retailer 10$20,998 USD
Retailer 2$21,066 USD
Retailer 1$21,617 USD
Retailer 6$21,641 USD
Retailer 11$21,682 USD
Retailer 7$22,210 USD
Retailer 5$22,460 USD
Retailer 4$26,072 USD

19 data points across 13 retailers

8 retailers$21,617 USD to $26,483 USD

Retailer 1
-
$16,719 USD
SGD 22,593 SGD
Price last confirmed 27 days ago
A
Retailer 2
-
$21,617 USD
View
A
Retailer 3
-
$21,641 USD
View
Retailer 4
-
$21,682 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$22,210 USD
CA$30,848 CAD
View
B+
Retailer 6
-
$22,460 USD
View
B+
Retailer 7
-
$25,502 USD
View
Most Expensive
B+
Aurelinne
1c8174fc-e631-4bd0-a278-0c7a355735a1 · Nov 2
$26,483 USD
View
7 more retailers have this diamond
Prices start from $21,617 USDSave up to $4,866 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
2.51ct Round
$21,617 USD