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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 $20,355 NZD
₹1,092,568 INR
As of October 30, 2026
Save $14,924 NZD (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $35,279 NZD 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 $20,355 to $35,279, a $14,924 spread on the same certified stone. MOH London lists it at $35,279. 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
Colour
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: $35,279 NZD|Low: $20,232 NZD|High: $53,677 NZD|Avg: $27,366 NZD|+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 31, 2026
Retailer 8$20,355 NZD
Retailer 6$23,011 NZD
Retailer 7$23,692 NZD
Retailer 5$23,767 NZD
Retailer 2$23,954 NZD
Retailer 14$24,352 NZD
Retailer 11$24,801 NZD
Retailer 12$26,455 NZD
Retailer 13$26,868 NZD
Retailer 4$27,903 NZD
Retailer 10$28,100 NZD
Retailer 9$30,222 NZD
Retailer 3$30,903 NZD
Retailer 15$31,831 NZD
MOH London$35,279 NZD

15 data points across 15 retailers

15 retailers$20,355 NZD to $35,279 NZD

A
Cheapest Retailer
-
$20,355 NZD
₹1,092,568 INR
A
Retailer 2
-
$23,011 NZD
$12,969 USD
View
A
Retailer 3
-
$23,692 NZD
$13,353 USD
View
A
Retailer 4
-
$23,767 NZD
$13,395 USD
View
Final sale: no returns
A
Retailer 5
-
$23,954 NZD
£10,630 GBP
View
A
Retailer 6
-
$24,352 NZD
$13,725 USD
View
A
Retailer 7
-
$24,801 NZD
$13,978 USD
View
A
Retailer 8
-
$26,455 NZD
$14,910 USD
View
A
Retailer 9
-
$26,868 NZD
$15,143 USD
View
B+
Retailer 10
-
$27,903 NZD
$15,726 USD
View
B+
Retailer 11
-
$28,100 NZD
€15,083 EUR
View
B+
Retailer 12
-
$30,222 NZD
£13,412 GBP
View
B+
Retailer 13
-
$30,903 NZD
ZAR 281,376 ZAR
View
B+
Retailer 14
-
$31,831 NZD
$17,940 USD
View
Most Expensive
B
MOH London
D81066CC7 · Oct 29
$35,279 NZD
£15,656 GBP
View
14 more retailers have this diamond
Prices start from $20,355 NZDSave up to $14,924 NZD

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
$20,355 NZD