Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7501832841

Certificate GIA 7501832841

Diamond specifications and retailer prices

From £9,053 GBP
As of October 29, 2026
15 retailers carry this diamond
Most expensive: £9,053 GBP at Diamond Quarter
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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7501832841. Listed at 15 retailers as of October 29, 2026. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7501832841
Dimensions6.77 × 6.74 × 4.18 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.77 mm6.74 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7501832841
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £4,457 GBP|Low: £3,605 GBP|High: £7,674 GBP|Avg: £4,673 GBP|-0.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 16, 2026
Retailer 17£3,625 GBP
Retailer 5£3,653 GBP
Retailer 3£3,661 GBP
Retailer 20£3,888 GBP
Retailer 8£4,107 GBP
Retailer 11£4,141 GBP
Retailer 6£4,156 GBP
Retailer 7£4,156 GBP
Retailer 19£4,156 GBP
Retailer 10£4,368 GBP
Retailer 12£4,394 GBP
Retailer 1£4,457 GBP
Retailer 4£4,559 GBP
Retailer 16£4,766 GBP
Retailer 2£4,796 GBP
Retailer 13£4,853 GBP
Retailer 9£5,060 GBP
Retailer 15£5,572 GBP
Retailer 14£6,832 GBP
Retailer 18£7,674 GBP

21 data points across 20 retailers

15 retailers

Retailer 1
-
£3,625 GBP
$4,857 USD
Price last confirmed 16 days ago
Retailer 2
-
£3,661 GBP
$4,905 USD
View
Price last confirmed 24 days ago
Retailer 3
-
£4,107 GBP
$5,503 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£4,156 GBP
$5,569 USD
View
Price last confirmed 15 days ago
Retailer 5
-
£4,156 GBP
$5,569 USD
View
Price last confirmed 22 days ago
Retailer 6
-
£4,156 GBP
$5,569 USD
View
Price last confirmed 15 days ago
Retailer 7
-
£4,394 GBP
View
Price last confirmed 15 days ago
Retailer 8
-
£4,457 GBP
View
Price last confirmed 15 days ago
Retailer 9
-
£4,559 GBP
A$9,399 AUD
View
Price last confirmed 27 days ago
Retailer 10
-
£4,796 GBP
$6,426 USD
View
Price last confirmed 22 days ago
Retailer 11
-
£5,060 GBP
$6,780 USD
View
Price last confirmed 17 days ago
Retailer 12
-
£5,572 GBP
ZAR 120,609 ZAR
View
Price last confirmed 19 days ago
Retailer 13
-
£6,832 GBP
View
Price last confirmed 16 days ago
Retailer 14
-
£7,674 GBP
$10,282 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Diamond Quarter
1.2SI1D754149C9N · Oct 29
£9,053 GBP
View
14 more retailers have this diamond

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
1.20ct Round
£9,053 GBP