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Round|Natural|GIA

1.66ct J IF Round Natural Diamond

EX • J/IF • GIA 1563513807

Certificate GIA 1563513807

Diamond specifications and retailer prices

From £5,097 GBP
₹651,414 INR
As of November 2, 2026
Save £4,328 GBP (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £9,425 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.66ct natural round diamond

This 1.66ct 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 1563513807. Listed at 6 retailers as of October 29, 2026, with prices from £5,097 to £9,425, a £4,328 spread on the same certified stone. MOH London lists it at £9,425. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563513807
Dimensions7.45 × 7.52 × 4.70 mm
L/W Ratio1.01
Top View
7.45 mm7.52 mm1.66 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563513807
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.8%

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 2
Current: £9,425 GBP|Low: £5,097 GBP|High: £9,425 GBP|Avg: £6,695 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2£5,097 GBP
Retailer 6£5,386 GBP
Retailer 5£5,744 GBP
Retailer 4£6,230 GBP
Retailer 3£6,948 GBP
MOH London£9,425 GBP

22 data points across 6 retailers

6 retailers£5,097 GBP to £9,425 GBP

A
Cheapest Retailer
-
£5,097 GBP
₹651,414 INR
B+
Retailer 2
-
£5,386 GBP
$7,228 USD
View
Final sale: no returns
B+
Retailer 3
-
£5,744 GBP
$7,708 USD
View
B+
Retailer 4
-
£6,230 GBP
View
B+
Retailer 5
-
£6,948 GBP
€8,880 EUR
View
Most Expensive
B
MOH London
397A09867 · Oct 29
£9,425 GBP
View
5 more retailers have this diamond
Prices start from £5,097 GBPSave up to £4,328 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
1.66ct Round
£5,097 GBP