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Round|Natural|IGI

1.20ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 573303521

Shape and cutting style on the report: Round brilliant

Certificate IGI 573303521

Diamond specifications and retailer prices

From £1,184 GBP
As of November 4, 2026
Save £1,091 GBP (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,160 GBP at NZ Jewellers · As of September 26, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 573303521. Listed at 17 retailers as of November 2, 2026, with a 92% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 573303521
Dimensions6.88 × 6.84 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.88 mm6.84 mm1.20 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 573303521
Side View
Table 59.0%Crown 35.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

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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 4
Current: £1,472 GBP|Low: £1,184 GBP|High: £2,491 GBP|Avg: £1,492 GBP|-10.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 11£1,184 GBP
Retailer 5£1,185 GBP
Retailer 7£1,193 GBP
Retailer 3£1,207 GBP
Retailer 10£1,276 GBP
Retailer 4£1,379 GBP
Retailer 6£1,433 GBP
Retailer 1£1,472 GBP
Retailer 2£1,582 GBP
Retailer 8£1,738 GBP
Retailer 9£2,276 GBP

23 data points across 11 retailers

17 retailers£1,184 GBP to £2,276 GBP

A
Cheapest Retailer
-
£1,184 GBP
A
Retailer 2
-
£1,185 GBP
View
A
Retailer 3
-
£1,193 GBP
View
A
Retailer 4
-
£1,207 GBP
View
A
Retailer 5
-
£1,276 GBP
View
Retailer 6
-
£1,296 GBP
View
Price last confirmed 43 days ago
A
Retailer 7
-
£1,379 GBP
View
A
Retailer 8
-
£1,433 GBP
View
Retailer 9
-
£1,449 GBP
View
Price last confirmed 36 days ago
A
Retailer 10
-
£1,472 GBP
View
Retailer 11
-
£1,510 GBP
View
Price last confirmed 45 days ago
Retailer 12
-
£1,516 GBP
View
Price last confirmed 38 days ago
Retailer 13
-
£1,582 GBP
View
Price last confirmed 11 days ago
Retailer 14
-
£1,672 GBP
View
Price last confirmed 38 days ago
A
Retailer 15
-
£1,738 GBP
View
B+
Retailer 16
-
£2,276 GBP
View
Most Expensive
NZ Jewellers
efce1e67-4982-464b-81bd-14caca8c4d50 · Sep 26
£3,160 GBP
$4,253 USD
View
Price last confirmed 40 days ago
16 more retailers have this diamond
Prices start from £1,184 GBPSave up to £1,091 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
£1,184 GBP