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Round|Natural|GIA

2.51ct F SI1 Round Natural Diamond

VG • F/SI1 • GIA 6532766856

Certificate GIA 6532766856

Diamond specifications and retailer prices

From €15,993 EUR
SGD 24,145 SGD
As of November 1, 2026
Save €5,060 EUR (24%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €21,053 EUR at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6532766856. Listed at 9 retailers as of November 1, 2026, with prices from €15,993 to €21,053, a €5,060 spread on the same certified stone. The Diamond Guys lists it at €21,053. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6532766856
Dimensions8.45 × 8.38 × 5.46 mm
L/W Ratio1.01
Top View
8.45 mm8.38 mm2.51 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532766856
Side View
Table 56.0%Crown 38.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 65.1%

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: €16,578 EUR|Low: €15,823 EUR|High: €29,545 EUR|Avg: €19,433 EUR|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4€15,993 EUR
Retailer 6€16,497 EUR
Retailer 1€16,578 EUR
Retailer 5€17,313 EUR
Retailer 8€17,520 EUR
Retailer 7€19,744 EUR
Retailer 10€19,821 EUR
Retailer 3€19,936 EUR
Retailer 9€20,869 EUR
Retailer 2€28,954 EUR

42 data points across 10 retailers

9 retailers€15,993 EUR to €21,053 EUR

A
Cheapest Retailer
-
€15,993 EUR
SGD 24,145 SGD
A
Retailer 2
-
€16,497 EUR
$18,431 USD
View
A
Retailer 3
-
€16,578 EUR
£14,583 GBP
View
A
Retailer 4
-
€17,313 EUR
SGD 26,138 SGD
View
A
Retailer 5
-
€17,520 EUR
$19,573 USD
View
B+
Retailer 6
-
€19,744 EUR
$22,058 USD
View
B+
Retailer 7
-
€19,936 EUR
$22,273 USD
View
B+
Retailer 8
-
€20,869 EUR
$23,315 USD
View
Most Expensive
B+
The Diamond Guys
1935585233 · Nov 2
€21,053 EUR
$23,520 USD
View
8 more retailers have this diamond
Prices start from €15,993 EURSave up to €5,060 EUR

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
€15,993 EUR