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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 £2,878 GBP
As of November 6, 2026
Save £11,084 GBP (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £13,962 GBP 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 £2,878 to £13,962, a £11,084 spread on the same certified stone. MOH London lists it at £13,962. 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: £13,962 GBP|Low: £2,878 GBP|High: £13,962 GBP|Avg: £5,247 GBP
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£2,878 GBP
Retailer 3£3,243 GBP
Retailer 5£4,055 GBP
Retailer 6£4,245 GBP
Retailer 10£9,133 GBP
Retailer 9£9,700 GBP
Retailer 8£9,930 GBP
Retailer 11£10,690 GBP
Retailer 7£11,102 GBP
Retailer 4£13,042 GBP
MOH London£13,962 GBP

40 data points across 11 retailers

12 retailers£2,878 GBP to £13,962 GBP

A
Cheapest Retailer
-
£2,878 GBP
A
Retailer 2
-
£3,243 GBP
View
A
Retailer 3
-
£3,804 GBP
View
A
Retailer 4
-
£4,055 GBP
View
A
Retailer 5
-
£4,245 GBP
View
B
Retailer 6
-
£9,133 GBP
View
B
Retailer 7
-
£9,700 GBP
View
B
Retailer 8
-
£9,930 GBP
View
B
Retailer 9
-
£10,690 GBP
View
B
Retailer 10
-
£11,102 GBP
View
C
Retailer 11
-
£13,042 GBP
View
Most Expensive
B
MOH London
1E3EC93A4 · Nov 2
£13,962 GBP
View
11 more retailers have this diamond
Prices start from £2,878 GBPSave up to £11,084 GBP

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
£2,878 GBP