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Round|Natural|GIA

2.51ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 5242063572

Certificate GIA 5242063572

Diamond specifications and retailer prices

From €17,140 EUR
SGD 25,877 SGD
As of November 1, 2026
Save €14,861 EUR (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €32,001 EUR at With Clarity · As of November 1, 2026
View at With Clarity

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5242063572. Listed at 15 retailers as of November 1, 2026, with prices from €17,140 to €32,001, a €14,861 spread on the same certified stone. With Clarity lists it at €32,001. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5242063572
Dimensions8.41 × 8.46 × 5.45 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.41 mm8.46 mm2.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242063572
Side View
Table 57.0%Crown 38.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.6%

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: Nov 1
Current: €18,293 EUR|Low: €17,140 EUR|High: €32,001 EUR|Avg: €21,644 EUR|-3.4%
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
Retailer 14
With Clarity
November 2, 2026
Retailer 5€17,140 EUR
Retailer 1€18,293 EUR
Retailer 14€18,416 EUR
Retailer 4€18,707 EUR
Retailer 9€18,775 EUR
Retailer 6€19,120 EUR
Retailer 10€19,329 EUR
Retailer 11€19,560 EUR
Retailer 13€21,582 EUR
Retailer 8€21,901 EUR
Retailer 3€22,027 EUR
Retailer 12€23,070 EUR
Retailer 7€26,320 EUR
Retailer 2€27,623 EUR
With Clarity€32,001 EUR

38 data points across 15 retailers

15 retailers€17,140 EUR to €32,001 EUR

B+
Cheapest Retailer
-
€17,140 EUR
SGD 25,877 SGD
B+
Retailer 2
-
€18,293 EUR
£16,092 GBP
View
B+
Retailer 3
-
€18,416 EUR
$20,574 USD
View
B+
Retailer 4
-
€18,707 EUR
$20,900 USD
View
B+
Retailer 5
-
€18,775 EUR
$20,975 USD
View
B+
Retailer 6
-
€19,120 EUR
$21,361 USD
View
B+
Retailer 7
-
€19,329 EUR
SGD 29,182 SGD
View
B+
Retailer 8
-
€19,560 EUR
$21,852 USD
View
B
Retailer 9
-
€21,582 EUR
$24,112 USD
View
B
Retailer 10
-
€21,901 EUR
View
B
Retailer 11
-
€22,027 EUR
$24,609 USD
View
B
Retailer 12
-
€23,070 EUR
$25,774 USD
View
B
Retailer 13
-
€26,320 EUR
$29,405 USD
View
B
Retailer 14
-
€27,623 EUR
$30,861 USD
View
Most Expensive
B
With Clarity
5242063572 · Nov 1
€32,001 EUR
$35,752 USD
View
14 more retailers have this diamond
Prices start from €17,140 EURSave up to €14,861 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 Round
€17,140 EUR