Round|Natural|IGI

2.51ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 819634389

Shape and cutting style on the report: Round brilliant

Certificate IGI 819634389

Diamond specifications and retailer prices

From $11,472 USD
₹1,092,568 INR
As of October 30, 2026
Save $8,411 USD (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $19,883 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 819634389. Listed at 15 retailers as of October 29, 2026, with prices from $11,472 to $19,883, a $8,411 spread on the same certified stone. MOH London lists it at $19,883. 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
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 819634389
Dimensions8.60 × 8.68 × 5.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
8.60 mm8.68 mm2.51 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819634389
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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: $19,883 USD|Low: $11,403 USD|High: $30,253 USD|Avg: $15,466 USD|+0.4%
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
October 30, 2026
Retailer 2$11,472 USD
Retailer 6$12,969 USD
Retailer 7$13,353 USD
Retailer 5$13,395 USD
Retailer 9$13,613 USD
Retailer 14$13,725 USD
Retailer 11$13,978 USD
Retailer 12$14,910 USD
Retailer 13$15,143 USD
Retailer 4$15,726 USD
Retailer 10$15,837 USD
Retailer 8$17,033 USD
Retailer 3$17,417 USD
Retailer 15$17,940 USD
MOH London$19,883 USD

14 data points across 15 retailers

15 retailers$11,472 USD to $19,883 USD

A
Cheapest Retailer
-
$11,472 USD
₹1,092,568 INR
A
Retailer 2
-
$12,969 USD
View
A
Retailer 3
-
$13,353 USD
View
A
Retailer 4
-
$13,395 USD
View
Final sale: no returns
A
Retailer 5
-
$13,613 USD
£10,719 GBP
View
A
Retailer 6
-
$13,725 USD
View
A
Retailer 7
-
$13,978 USD
View
A
Retailer 8
-
$14,910 USD
View
A
Retailer 9
-
$15,143 USD
View
B+
Retailer 10
-
$15,726 USD
View
B+
Retailer 11
-
$15,837 USD
€15,083 EUR
View
B+
Retailer 12
-
$17,033 USD
£13,412 GBP
View
B+
Retailer 13
-
$17,417 USD
ZAR 281,376 ZAR
View
B+
Retailer 14
-
$17,940 USD
View
Most Expensive
B
MOH London
D81066CC7 · Oct 29
$19,883 USD
£15,656 GBP
View
14 more retailers have this diamond
Prices start from $11,472 USDSave up to $8,411 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
$11,472 USD