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Round|Natural|GIA

2.51ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 1539288704

Certificate GIA 1539288704

Diamond specifications and retailer prices

From €16,135 EUR
$18,026 USD
As of October 30, 2026
Save €5,732 EUR (26%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €21,866 EUR at Yorxs · As of October 30, 2026
View at Yorxs

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1539288704. Listed at 8 retailers as of October 30, 2026, with prices from €16,135 to €21,866, a €5,732 spread on the same certified stone. Yorxs lists it at €21,866. 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
D
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539288704
Dimensions8.40 × 8.50 × 5.47 mm
L/W Ratio1.01
Top View
8.40 mm8.50 mm2.51 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1539288704
Side View
Table 55.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.7%

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: Oct 30
Current: €18,715 EUR|Low: €15,976 EUR|High: €21,866 EUR|Avg: €18,628 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
October 30, 2026
Retailer 2€16,135 EUR
Retailer 6€17,098 EUR
Retailer 7€17,255 EUR
Retailer 8€18,340 EUR
Retailer 1€18,715 EUR
Retailer 4€19,298 EUR
Retailer 5€19,298 EUR
Retailer 3€19,943 EUR
Yorxs€21,866 EUR

18 data points across 9 retailers

8 retailers€16,135 EUR to €21,866 EUR

A
Cheapest Retailer
-
€16,135 EUR
$18,026 USD
A
Retailer 2
-
€17,098 EUR
$19,102 USD
View
A
Retailer 3
-
€17,255 EUR
$19,278 USD
View
A
Retailer 4
-
€18,715 EUR
$20,909 USD
View
A
Retailer 5
-
€19,298 EUR
$21,560 USD
View
A
Retailer 6
-
€19,298 EUR
$21,560 USD
View
A
Retailer 7
-
€19,943 EUR
$22,280 USD
View
Most Expensive
B+
Yorxs
8S093 · Oct 30
€21,866 EUR
View
7 more retailers have this diamond
Prices start from €16,135 EURSave up to €5,732 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
€16,135 EUR