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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7496905894

Certificate GIA 7496905894

Diamond specifications and retailer prices

From £1,060 GBP
As of November 6, 2026
Save £2,431 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,491 GBP at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7496905894. Listed at 11 retailers as of November 5, 2026, with prices from £1,060 to £3,491, a £2,431 spread on the same certified stone. NZ Jewellers lists it at £3,491. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7496905894
Dimensions6.76 × 6.81 × 4.23 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Cert comments
Twinning Wisp Feather
Top View
6.76 mm6.81 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7496905894
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,060 GBP|Low: £1,060 GBP|High: £2,538 GBP|Avg: £1,651 GBP|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1£1,060 GBP
Retailer 6£1,413 GBP
Retailer 5£1,497 GBP
Retailer 2£1,560 GBP
Retailer 4£1,803 GBP
Retailer 3£2,501 GBP

43 data points across 6 retailers

11 retailers£1,060 GBP to £3,491 GBP

A
Cheapest Retailer
-
£1,060 GBP
A
Retailer 2
-
£1,305 GBP
View
A
Retailer 3
-
£1,413 GBP
View
A
Retailer 4
-
£1,431 GBP
View
Retailer 5
-
£1,468 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£1,497 GBP
View
A
Retailer 7
-
£1,560 GBP
View
B+
Retailer 8
-
£1,652 GBP
View
B+
Retailer 9
-
£1,803 GBP
View
B
Retailer 10
-
£2,501 GBP
View
Most Expensive
B
NZ Jewellers
08d7f15a-e6da-47d5-98ef-1681910d7916 · Nov 5
£3,491 GBP
$4,673 USD
View
10 more retailers have this diamond
Prices start from £1,060 GBPSave up to £2,431 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
£1,060 GBP