Round|Natural|IGI

5.10ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 778651615

Shape and cutting style on the report: Round brilliant

Certificate IGI 778651615

Diamond specifications and retailer prices

From $79,078 AUD
$55,548 USD
As of October 30, 2026
Save $43,327 AUD (35%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $122,405 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 5.1ct natural round diamond

This 5.1ct natural round sits in the over five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 778651615. Listed at 9 retailers as of October 26, 2026, with prices from $79,078 to $122,405, a $43,327 spread on the same certified stone. MOH London lists it at $122,405. 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

5.10
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 778651615
Dimensions10.85 × 10.93 × 6.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
10.85 mm10.93 mm5.10 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778651615
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 41.1°CuletDepth 62.6%

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: $122,405 AUD|Low: $78,729 AUD|High: $123,551 AUD|Avg: $94,967 AUD|+2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10$79,078 AUD
Retailer 6$79,196 AUD
Retailer 2$80,359 AUD
Retailer 7$81,534 AUD
Retailer 5$89,997 AUD
Retailer 8$93,597 AUD
Retailer 3$94,557 AUD
Retailer 9$97,196 AUD
Retailer 4$109,454 AUD
MOH London$122,405 AUD

44 data points across 10 retailers

9 retailers$79,078 AUD to $122,405 AUD

A
Cheapest Retailer
-
$79,078 AUD
$55,548 USD
A
Retailer 2
-
$79,196 AUD
$55,631 USD
View
Final sale: no returns
A
Retailer 3
-
$80,359 AUD
£44,447 GBP
View
A
Retailer 4
-
$81,534 AUD
$57,273 USD
View
B+
Retailer 5
-
$89,997 AUD
$63,218 USD
View
B+
Retailer 6
-
$93,597 AUD
$65,747 USD
View
B+
Retailer 7
-
$94,557 AUD
€63,258 EUR
View
B+
Retailer 8
-
$97,196 AUD
$68,275 USD
View
Most Expensive
B
MOH London
35145BFEA · Oct 26
$122,405 AUD
£67,703 GBP
View
8 more retailers have this diamond
Prices start from $79,078 AUDSave up to $43,327 AUD

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
5.10ct Round
$79,078 AUD