Radiant|Natural|GIA

2.51ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 6525861043

Certificate GIA 6525861043

Diamond specifications and retailer prices

From €23,512 EUR
CA$36,627 CAD
As of October 30, 2026
Save €5,907 EUR (20%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €29,419 EUR at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6525861043. Listed at 9 retailers as of October 27, 2026, with prices from €23,512 to €29,419, a €5,907 spread on the same certified stone. Wholesale Diamonds Direct lists it at €29,419. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6525861043
Dimensions8.80 × 6.72 × 4.65 mm
L/W Ratio1.31
Top View
8.80 mm6.72 mm2.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6525861043
Side View
Table 70.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.2%

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: €29,239 EUR|Low: €23,512 EUR|High: €30,032 EUR|Avg: €27,413 EUR|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 2, 2026
Retailer 5€23,512 EUR
Retailer 8€25,474 EUR
Retailer 6€26,293 EUR
Retailer 7€26,293 EUR
Retailer 3€27,175 EUR
Retailer 2€27,369 EUR
Retailer 4€29,157 EUR
Retailer 1€29,239 EUR
Wholesale Diamonds Direct€29,419 EUR

29 data points across 9 retailers

9 retailers€23,512 EUR to €29,419 EUR

B+
Cheapest Retailer
-
€23,512 EUR
CA$36,627 CAD
B+
Retailer 2
-
€25,474 EUR
$28,572 USD
View
B+
Retailer 3
-
€26,293 EUR
$29,490 USD
View
B+
Retailer 4
-
€26,293 EUR
$29,490 USD
View
B+
Retailer 5
-
€27,175 EUR
$30,480 USD
View
B+
Retailer 6
-
€27,369 EUR
£24,171 GBP
View
B
Retailer 7
-
€29,157 EUR
$32,703 USD
View
B
Retailer 8
-
€29,239 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
581904074 · Oct 27
€29,419 EUR
$32,996 USD
View
8 more retailers have this diamond
Prices start from €23,512 EURSave up to €5,907 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.

B+
2.51ct Radiant
€23,512 EUR