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Round|Natural|GIA

2.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1537172367

Certificate GIA 1537172367

Diamond specifications and retailer prices

From $21,712 USD
As of October 29, 2026
Save $7,508 USD (26%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $29,220 USD at Yorxs · As of October 29, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1537172367. Listed at 10 retailers as of October 29, 2026, with prices from $21,712 to $29,220, a $7,508 spread on the same certified stone. Yorxs lists it at $29,220. 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
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1537172367
Dimensions8.61 × 8.66 × 5.42 mm
L/W Ratio1.01
Cert comments
Clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Feather, Needle
Top View
8.61 mm8.66 mm2.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1537172367
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: Oct 29
Current: $28,779 USD|Low: $21,463 USD|High: $29,220 USD|Avg: $25,345 USD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 29, 2026
Retailer 5$21,712 USD
Retailer 4$22,641 USD
Retailer 3$23,831 USD
Retailer 2$24,869 USD
Retailer 6$27,410 USD
Retailer 1$28,779 USD
Yorxs$29,220 USD

39 data points across 7 retailers

10 retailers$21,712 USD to $29,220 USD

A
Cheapest Retailer
-
$21,712 USD
A
Retailer 2
-
$22,641 USD
View
A
Retailer 3
-
$23,831 USD
View
Final sale: no returns
A
Retailer 4
-
$24,869 USD
View
Retailer 5
-
$26,112 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$26,941 USD
View
Price last confirmed 26 days ago
B+
Retailer 7
-
$27,410 USD
View
Retailer 8
-
$27,977 USD
View
Price last confirmed 25 days ago
B+
Retailer 9
-
$28,779 USD
£22,661 GBP
View
Most Expensive
B+
Yorxs
19 · Oct 29
$29,220 USD
€27,829 EUR
View
9 more retailers have this diamond
Prices start from $21,712 USDSave up to $7,508 USD

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
$21,712 USD