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Round|Natural|IGI

1.30ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 811612357

Shape and cutting style on the report: Round brilliant

Certificate IGI 811612357

Diamond specifications and retailer prices

From $2,550 AUD
As of November 6, 2026
Save $9,827 AUD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,376 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 811612357. Listed at 13 retailers as of November 2, 2026, with prices from $2,550 to $12,376, a $9,827 spread on the same certified stone. MOH London lists it at $12,376. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 811612357
Dimensions6.91 × 6.97 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.91 mm6.97 mm1.30 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811612357
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.7%

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 6
Current: $12,376 AUD|Low: $2,550 AUD|High: $12,376 AUD|Avg: $4,667 AUD
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
November 6, 2026
Retailer 2$2,550 AUD
Retailer 9$2,957 AUD
Retailer 7$3,973 AUD
Retailer 8$4,136 AUD
Retailer 4$6,964 AUD
Retailer 12$7,270 AUD
Retailer 3$7,278 AUD
Retailer 5$7,770 AUD
Retailer 10$7,770 AUD
Retailer 13$8,508 AUD
Retailer 11$8,965 AUD
Retailer 6$9,480 AUD
MOH London$12,376 AUD

38 data points across 13 retailers

13 retailers$2,550 AUD to $12,376 AUD

A
Cheapest Retailer
-
$2,550 AUD
A
Retailer 2
-
$2,957 AUD
View
A
Retailer 3
-
$3,973 AUD
View
A
Retailer 4
-
$4,136 AUD
View
B
Retailer 5
-
$6,964 AUD
View
B
Retailer 6
-
$7,270 AUD
View
B
Retailer 7
-
$7,278 AUD
View
B
Retailer 8
-
$7,770 AUD
View
B
Retailer 9
-
$7,770 AUD
View
B
Retailer 10
-
$8,508 AUD
View
B
Retailer 11
-
$8,965 AUD
View
C
Retailer 12
-
$9,480 AUD
View
Most Expensive
B
MOH London
D4BE11914 · Nov 2
$12,376 AUD
£6,822 GBP
View
12 more retailers have this diamond
Prices start from $2,550 AUDSave up to $9,827 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
1.30ct Round
$2,550 AUD