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Round|Natural|IGI

1.57ct K IF Round Natural Diamond

EX • K/IF • IGI 776672729

Shape and cutting style on the report: Round brilliant

Certificate IGI 776672729

Diamond specifications and retailer prices

From $5,534 AUD
As of November 6, 2026
Save $21,311 AUD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $26,845 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.57ct natural round diamond

This 1.57ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 776672729. Listed at 12 retailers as of November 2, 2026, with prices from $5,534 to $26,845, a $21,311 spread on the same certified stone. MOH London lists it at $26,845. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 776672729
Dimensions7.34 × 7.41 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.34 mm7.41 mm1.57 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 776672729
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°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: Nov 6
Current: $26,845 AUD|Low: $5,534 AUD|High: $26,845 AUD|Avg: $10,087 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$5,534 AUD
Retailer 3$6,235 AUD
Retailer 5$7,797 AUD
Retailer 6$8,161 AUD
Retailer 10$17,559 AUD
Retailer 9$18,649 AUD
Retailer 8$19,092 AUD
Retailer 11$20,553 AUD
Retailer 7$21,345 AUD
Retailer 4$25,076 AUD
MOH London$26,845 AUD

40 data points across 11 retailers

12 retailers$5,534 AUD to $26,845 AUD

A
Cheapest Retailer
-
$5,534 AUD
A
Retailer 2
-
$6,235 AUD
View
A
Retailer 3
-
$7,314 AUD
View
A
Retailer 4
-
$7,797 AUD
View
A
Retailer 5
-
$8,161 AUD
View
B
Retailer 6
-
$17,559 AUD
View
B
Retailer 7
-
$18,649 AUD
View
B
Retailer 8
-
$19,092 AUD
View
B
Retailer 9
-
$20,553 AUD
View
B
Retailer 10
-
$21,345 AUD
View
C
Retailer 11
-
$25,076 AUD
View
Most Expensive
B
MOH London
1E3EC93A4 · Nov 2
$26,845 AUD
£14,797 GBP
View
11 more retailers have this diamond
Prices start from $5,534 AUDSave up to $21,311 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
1.57ct Round
$5,534 AUD