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Round|Natural|GIA

2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1555877286

Certificate GIA 1555877286

Diamond specifications and retailer prices

From €16,330 EUR
₹1,737,515 INR
As of November 2, 2026
Save €12,987 EUR (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €29,317 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555877286. Listed at 16 retailers as of November 1, 2026, with prices from €16,330 to €29,317, a €12,987 spread on the same certified stone. MOH London lists it at €29,317. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555877286
Dimensions8.65 × 8.60 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural
Top View
8.65 mm8.60 mm2.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555877286
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 2
Current: €29,317 EUR|Low: €16,330 EUR|High: €30,436 EUR|Avg: €21,923 EUR|-3.7%
MOH London
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 9€16,330 EUR
Retailer 12€18,128 EUR
Retailer 13€18,908 EUR
Retailer 4€19,048 EUR
Retailer 5€19,150 EUR
Retailer 16€20,542 EUR
Retailer 7€20,720 EUR
Retailer 11€21,450 EUR
Retailer 2€21,608 EUR
Retailer 14€21,716 EUR
Retailer 8€21,756 EUR
Retailer 3€22,294 EUR
Retailer 15€22,890 EUR
Retailer 10€23,152 EUR
Retailer 6€26,593 EUR
MOH London€29,317 EUR

19 data points across 16 retailers

16 retailers€16,330 EUR to €29,317 EUR

A
Cheapest Retailer
-
€16,330 EUR
₹1,737,515 INR
A
Retailer 2
-
€18,128 EUR
$20,253 USD
View
Final sale: no returns
A
Retailer 3
-
€18,908 EUR
£16,633 GBP
View
A
Retailer 4
-
€19,048 EUR
$21,281 USD
View
A
Retailer 5
-
€19,150 EUR
$21,395 USD
View
A
Retailer 6
-
€20,542 EUR
$22,950 USD
View
B+
Retailer 7
-
€20,720 EUR
$23,149 USD
View
B+
Retailer 8
-
€21,450 EUR
£18,869 GBP
View
B+
Retailer 9
-
€21,608 EUR
$24,141 USD
View
B+
Retailer 10
-
€21,716 EUR
View
B+
Retailer 11
-
€21,756 EUR
$24,306 USD
View
B+
Retailer 12
-
€22,294 EUR
$24,907 USD
View
B+
Retailer 13
-
€22,890 EUR
$25,572 USD
View
B+
Retailer 14
-
€23,152 EUR
$25,865 USD
View
B+
Retailer 15
-
€26,593 EUR
$29,710 USD
View
Most Expensive
B+
MOH London
479FC1984 · Nov 1
€29,317 EUR
£25,790 GBP
View
15 more retailers have this diamond
Prices start from €16,330 EURSave up to €12,987 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
€16,330 EUR