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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 $3,874 USD
As of November 6, 2026
Save $14,918 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $18,792 USD 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 $3,874 to $18,792, a $14,918 spread on the same certified stone. MOH London lists it at $18,792. 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
Color
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: $18,792 USD|Low: $3,874 USD|High: $18,792 USD|Avg: $7,061 USD
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$3,874 USD
Retailer 3$4,365 USD
Retailer 5$5,458 USD
Retailer 6$5,713 USD
Retailer 10$12,292 USD
Retailer 9$13,055 USD
Retailer 8$13,365 USD
Retailer 11$14,388 USD
Retailer 7$14,942 USD
Retailer 4$17,554 USD
MOH London$18,792 USD

40 data points across 11 retailers

12 retailers$3,874 USD to $18,792 USD

A
Cheapest Retailer
-
$3,874 USD
A
Retailer 2
-
$4,365 USD
View
A
Retailer 3
-
$5,120 USD
View
A
Retailer 4
-
$5,458 USD
View
A
Retailer 5
-
$5,713 USD
View
B
Retailer 6
-
$12,292 USD
View
B
Retailer 7
-
$13,055 USD
View
B
Retailer 8
-
$13,365 USD
View
B
Retailer 9
-
$14,388 USD
View
B
Retailer 10
-
$14,942 USD
View
C
Retailer 11
-
$17,554 USD
View
Most Expensive
B
MOH London
1E3EC93A4 · Nov 2
$18,792 USD
£14,797 GBP
View
11 more retailers have this diamond
Prices start from $3,874 USDSave up to $14,918 USD

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
$3,874 USD