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Round|Natural|GIA

1.66ct L IF Round Natural Diamond

EX • L/IF • GIA 5212272135

Certificate GIA 5212272135

Diamond specifications and retailer prices

From £5,439 GBP
As of November 1, 2026
Save £2,093 GBP (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £7,532 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.66ct natural round diamond

This 1.66ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5212272135. Listed at 3 retailers as of November 1, 2026, with prices from £5,439 to £7,532, a £2,093 spread on the same certified stone. Yorxs lists it at £7,532. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
L
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5212272135
Dimensions7.67 × 7.63 × 4.67 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.67 mm7.63 mm1.66 ctL / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5212272135
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £5,439 GBP|Low: £5,439 GBP|High: £7,605 GBP|Avg: £6,660 GBP|-0.3%
Retailer 1
Retailer 2
Yorxs
November 5, 2026
Retailer 1£5,439 GBP
Retailer 2£7,013 GBP
Yorxs£7,532 GBP

23 data points across 3 retailers

3 retailers£5,439 GBP to £7,532 GBP

B+
Cheapest Retailer
-
£5,439 GBP
B
Retailer 2
-
£7,013 GBP
View
Most Expensive
B
Yorxs
230055257 · Nov 5
£7,532 GBP
€9,601 EUR
View
2 more retailers have this diamond
Prices start from £5,439 GBPSave up to £2,093 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.

B+
1.66ct Round
£5,439 GBP