Round|Natural|IGI

2.51ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 825618149

Shape and cutting style on the report: Round brilliant

Certificate IGI 825618149

Diamond specifications and retailer prices

From $13,213 USD
₹1,258,412 INR
As of October 30, 2026
Save $10,402 USD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $23,616 USD at MOH London · As of October 29, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 825618149. Listed at 14 retailers as of October 29, 2026, with prices from $13,213 to $23,616, a $10,402 spread on the same certified stone. MOH London lists it at $23,616. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 825618149
Dimensions8.67 × 8.62 × 5.48 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
8.67 mm8.62 mm2.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 825618149
Side View
Table 57.0%Crown 36.6°Girdle: MED-STKPavilion 41.3°CuletDepth 63.3%

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 30
Current: $23,616 USD|Low: $13,164 USD|High: $23,616 USD|Avg: $15,897 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$13,213 USD
Retailer 10$13,860 USD
Retailer 8$15,263 USD
Retailer 7$15,910 USD
Retailer 4$15,960 USD
Retailer 6$16,255 USD
Retailer 3$17,588 USD
Retailer 5$18,006 USD
Retailer 9$20,687 USD
MOH London$23,616 USD

13 data points across 10 retailers

14 retailers$13,213 USD to $23,616 USD

A
Cheapest Retailer
-
$13,213 USD
₹1,258,412 INR
Retailer 2
-
$13,860 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$15,263 USD
View
A
Retailer 4
-
$15,910 USD
View
Final sale: no returns
A
Retailer 5
-
$15,960 USD
£12,567 GBP
View
Retailer 6
-
$16,155 USD
View
Price last confirmed 31 days ago
Retailer 7
-
$16,164 USD
View
Price last confirmed 23 days ago
A
Retailer 8
-
$16,255 USD
View
Retailer 9
-
$16,636 USD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$17,588 USD
€16,750 EUR
View
A
Retailer 11
-
$18,006 USD
£14,178 GBP
View
Retailer 12
-
$19,709 USD
View
Price last confirmed 32 days ago
A
Retailer 13
-
$20,687 USD
ZAR 334,200 ZAR
View
Most Expensive
B+
MOH London
06E636470 · Oct 29
$23,616 USD
£18,595 GBP
View
13 more retailers have this diamond
Prices start from $13,213 USDSave up to $10,402 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
$13,213 USD