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Round|Natural|GIA

1.20ct K IF Round Natural Diamond

EX • K/IF • GIA 2537759993

Certificate GIA 2537759993

Diamond specifications and retailer prices

From £1,682 GBP
As of November 6, 2026
Save £2,195 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,273 GBP at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2537759993. Listed at 19 retailers as of November 4, 2026, with a 130% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2537759993
Dimensions6.78 × 6.73 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.78 mm6.73 mm1.20 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2537759993
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°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: £4,071 GBP|Low: £1,682 GBP|High: £4,071 GBP|Avg: £2,580 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 12£1,682 GBP
Retailer 4£1,815 GBP
Retailer 3£1,836 GBP
Retailer 6£1,851 GBP
Retailer 5£1,944 GBP
Retailer 13£1,988 GBP
Retailer 7£2,066 GBP
Retailer 14£2,069 GBP
Retailer 15£2,141 GBP
Retailer 8£2,188 GBP
Retailer 11£2,293 GBP
Retailer 2£2,599 GBP
Retailer 9£2,690 GBP
Retailer 16£2,838 GBP
Retailer 10£3,386 GBP
Retailer 17£3,878 GBP
NZ Jewellers£4,071 GBP

28 data points across 17 retailers

19 retailers£1,682 GBP to £3,878 GBP

A
Cheapest Retailer
-
£1,682 GBP
A
Retailer 2
-
£1,815 GBP
View
A
Retailer 3
-
£1,836 GBP
View
A
Retailer 4
-
£1,851 GBP
View
A
Retailer 5
-
£1,944 GBP
View
Final sale: no returns
A
Retailer 6
-
£1,988 GBP
View
A
Retailer 7
-
£2,066 GBP
View
A
Retailer 8
-
£2,069 GBP
View
A
Retailer 9
-
£2,141 GBP
View
A
Retailer 10
-
£2,188 GBP
View
A
Retailer 11
-
£2,293 GBP
View
Retailer 12
-
£2,400 GBP
View
Price last confirmed 16 days ago
Retailer 13
-
£2,520 GBP
View
Price last confirmed 44 days ago
B+
Retailer 14
-
£2,599 GBP
View
B+
Retailer 15
-
£2,838 GBP
View
B+
Retailer 16
-
£3,386 GBP
View
B
Retailer 17
-
£3,878 GBP
View
Retailer 18
-
£4,071 GBP
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
9460788b-453b-4f42-a805-5ed3509bfab8 · Sep 25
£4,273 GBP
$5,720 USD
View
Price last confirmed 42 days ago
18 more retailers have this diamond
Prices start from £1,682 GBPSave up to £2,195 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
1.20ct Round
£1,682 GBP