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Round|Natural|GIA

1.20ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1419051647

Certificate GIA 1419051647

Diamond specifications and retailer prices

From £2,196 GBP
As of November 6, 2026
Save £3,547 GBP (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,744 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1419051647. Listed at 14 retailers as of November 5, 2026, with prices from £2,196 to £5,744, a £3,547 spread on the same certified stone. Diamond Quarter lists it at £5,744. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1419051647
Dimensions6.81 × 6.77 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle
Top View
6.81 mm6.77 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 1419051647
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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: £2,828 GBP|Low: £2,140 GBP|High: £5,179 GBP|Avg: £3,134 GBP|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10£2,196 GBP
Retailer 7£2,300 GBP
Retailer 13£2,470 GBP
Retailer 4£2,677 GBP
Retailer 12£2,677 GBP
Retailer 11£2,780 GBP
Retailer 1£2,828 GBP
Retailer 6£2,974 GBP
Retailer 5£3,089 GBP
Retailer 8£3,136 GBP
Retailer 2£3,344 GBP
Retailer 9£4,941 GBP
Retailer 3£5,148 GBP

40 data points across 13 retailers

14 retailers£2,196 GBP to £5,744 GBP

A
Cheapest Retailer
-
£2,196 GBP
A
Retailer 2
-
£2,300 GBP
View
A
Retailer 3
-
£2,470 GBP
View
Final sale: no returns
Retailer 4
-
£2,677 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£2,677 GBP
View
B+
Retailer 6
-
£2,780 GBP
View
B+
Retailer 7
-
£2,828 GBP
View
B+
Retailer 8
-
£2,974 GBP
View
B+
Retailer 9
-
£3,089 GBP
View
B+
Retailer 10
-
£3,136 GBP
View
Retailer 11
-
£3,344 GBP
View
Price last confirmed 14 days ago
B
Retailer 12
-
£4,941 GBP
View
B
Retailer 13
-
£5,148 GBP
View
Most Expensive
B
Diamond Quarter
1.2SI2D14474D8AN · Nov 5
£5,744 GBP
View
13 more retailers have this diamond
Prices start from £2,196 GBPSave up to £3,547 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
£2,196 GBP