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Round|Natural|GIA

1.57ct J IF Round Natural Diamond

EX • J/IF • GIA 6511061744

Certificate GIA 6511061744

Diamond specifications and retailer prices

From £4,713 GBP
$6,315 USD
As of October 30, 2026
Save £3,946 GBP (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £8,659 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.57ct natural round diamond

This 1.57ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6511061744. Listed at 6 retailers as of October 30, 2026, with prices from £4,713 to £8,659, a £3,946 spread on the same certified stone. NZ Jewellers lists it at £8,659. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6511061744
Dimensions7.42 × 7.47 × 4.55 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
7.42 mm7.47 mm1.57 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6511061744
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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: Oct 30
Current: £8,659 GBP|Low: £3,790 GBP|High: £8,659 GBP|Avg: £6,012 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 6£4,713 GBP
Retailer 4£4,779 GBP
Retailer 5£5,349 GBP
Retailer 2£5,401 GBP
Retailer 3£7,669 GBP
NZ Jewellers£8,659 GBP

22 data points across 6 retailers

6 retailers£4,713 GBP to £8,659 GBP

A
Cheapest Retailer
-
£4,713 GBP
$6,315 USD
B+
Retailer 2
-
£4,779 GBP
$6,403 USD
View
Final sale: no returns
B+
Retailer 3
-
£5,349 GBP
$7,167 USD
View
B+
Retailer 4
-
£5,401 GBP
€6,892 EUR
View
B
Retailer 5
-
£7,669 GBP
View
Most Expensive
B
NZ Jewellers
904086fc-562c-479c-bdf9-786eea88b1cc · Oct 30
£8,659 GBP
$11,602 USD
View
5 more retailers have this diamond
Prices start from £4,713 GBPSave up to £3,946 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
£4,713 GBP