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Round|Natural|GIA

2.51ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6522751876

Certificate GIA 6522751876

Diamond specifications and retailer prices

From €19,557 EUR
$21,935 USD
As of November 1, 2026
Save €15,157 EUR (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €34,714 EUR at MOH London · As of November 1, 2026
View at MOH London

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 top-tier cut grade and certified by GIA 6522751876. Listed at 10 retailers as of November 1, 2026, with prices from €19,557 to €34,714, a €15,157 spread on the same certified stone. MOH London lists it at €34,714. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6522751876
Dimensions8.61 × 8.67 × 5.40 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
8.61 mm8.67 mm2.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6522751876
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

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: Nov 1
Current: €34,714 EUR|Low: €19,557 EUR|High: €35,132 EUR|Avg: €24,229 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4€19,557 EUR
Retailer 6€20,186 EUR
Retailer 5€22,407 EUR
Retailer 2€22,423 EUR
Retailer 7€22,940 EUR
Retailer 8€23,654 EUR
Retailer 9€23,654 EUR
Retailer 10€24,447 EUR
Retailer 3€26,850 EUR
MOH London€34,714 EUR

26 data points across 10 retailers

10 retailers€19,557 EUR to €34,714 EUR

A
Cheapest Retailer
-
€19,557 EUR
$21,935 USD
A
Retailer 2
-
€20,186 EUR
$22,641 USD
View
Retailer 3
-
€22,407 EUR
A$38,664 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
€22,423 EUR
£19,803 GBP
View
B+
Retailer 5
-
€22,940 EUR
$25,730 USD
View
B+
Retailer 6
-
€23,654 EUR
$26,530 USD
View
B+
Retailer 7
-
€23,654 EUR
$26,530 USD
View
B+
Retailer 8
-
€24,447 EUR
$27,420 USD
View
B+
Retailer 9
-
€26,850 EUR
View
Most Expensive
B
MOH London
6FB94B149 · Nov 1
€34,714 EUR
£30,658 GBP
View
9 more retailers have this diamond
Prices start from €19,557 EURSave up to €15,157 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
€19,557 EUR