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Heart|Natural|IGI

2.51ct K VS1 Heart Natural Diamond

VG • K/VS1 • IGI 788607594

Shape and cutting style on the report: Heart brilliant

Certificate IGI 788607594

Diamond specifications and retailer prices

From $10,378 AUD
As of November 4, 2026
Save $6,310 AUD (38%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $16,689 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 2.51ct natural heart diamond

This 2.51ct natural heart sits in the two to three carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 788607594. Listed at 10 retailers as of November 4, 2026, with prices from $10,378 to $16,689, a $6,310 spread on the same certified stone. MOH London lists it at $16,689. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
K
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 788607594
Dimensions8.48 × 9.36 × 5.55 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
8.48 mm9.36 mm2.51 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 788607594
Side View
Table 61.0%Crown 31°Girdle: THK-VTKPavilion 41.7°Culet: NoneDepth 59.3%

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: Nov 4
Current: $16,689 AUD|Low: $9,494 AUD|High: $54,369 AUD|Avg: $13,721 AUD|-4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$9,549 AUD
Retailer 7$10,378 AUD
Retailer 6$10,688 AUD
Retailer 4$11,192 AUD
Retailer 10$11,418 AUD
Retailer 8$11,959 AUD
Retailer 2$12,141 AUD
Retailer 3$12,920 AUD
Retailer 5$13,786 AUD
MOH London$16,689 AUD

40 data points across 10 retailers

10 retailers$10,378 AUD to $16,689 AUD

Retailer 1
-
$9,549 AUD
Price last confirmed 9 days ago
A
Retailer 2
-
$10,378 AUD
View
B+
Retailer 3
-
$10,688 AUD
View
A
Retailer 4
-
$11,192 AUD
View
Retailer 5
-
$11,418 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$11,959 AUD
View
B+
Retailer 7
-
$12,141 AUD
View
A
Retailer 8
-
$12,920 AUD
View
B+
Retailer 9
-
$13,786 AUD
View
Most Expensive
B+
MOH London
3808FDA86 · Nov 4
$16,689 AUD
£9,029 GBP
View
9 more retailers have this diamond
Prices start from $10,378 AUDSave up to $6,310 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
2.51ct Heart
$10,378 AUD