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Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7561418683

Certificate GIA 7561418683

Diamond specifications and retailer prices

From £3,009 GBP
HK$31,500 HKD
As of October 31, 2026
Save £3,438 GBP (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £6,484 GBP at MOH London · As of October 21, 2026
View at MOH London

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 7561418683. Listed at 21 retailers as of October 30, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7561418683
Dimensions6.72 × 6.77 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle
Top View
6.72 mm6.77 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561418683
Side View
Table 55.0%Crown 34°Girdle: STK-STKPavilion 41.4°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £6,484 GBP|Low: £3,009 GBP|High: £6,773 GBP|Avg: £4,442 GBP|-0.7%
MOH London
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
October 31, 2026
Retailer 8£3,009 GBP
Retailer 6£3,426 GBP
Retailer 10£3,462 GBP
Retailer 7£3,738 GBP
Retailer 3£3,855 GBP
Retailer 4£3,855 GBP
Retailer 15£3,855 GBP
Retailer 13£3,908 GBP
Retailer 14£3,925 GBP
Retailer 5£4,436 GBP
Retailer 9£4,447 GBP
Retailer 11£4,584 GBP
Retailer 2£4,978 GBP
Retailer 12£6,447 GBP
MOH London£6,484 GBP

22 data points across 15 retailers

21 retailers£3,009 GBP to £6,447 GBP

B+
Cheapest Retailer
-
£3,009 GBP
HK$31,500 HKD
B+
Retailer 2
-
£3,426 GBP
$4,590 USD
View
B+
Retailer 3
-
£3,462 GBP
$4,639 USD
View
B+
Retailer 4
-
£3,532 GBP
$4,732 USD
View
B+
Retailer 5
-
£3,738 GBP
$5,008 USD
View
Final sale: no returns
B+
Retailer 6
-
£3,795 GBP
$5,085 USD
View
B+
Retailer 7
-
£3,822 GBP
SGD 6,920 SGD
View
B+
Retailer 8
-
£3,855 GBP
$5,165 USD
View
B+
Retailer 9
-
£3,855 GBP
$5,165 USD
View
B+
Retailer 10
-
£3,855 GBP
$5,165 USD
View
B+
Retailer 11
-
£3,908 GBP
View
B+
Retailer 12
-
£3,925 GBP
View
Retailer 13
-
£4,082 GBP
A$8,415 AUD
View
Price last confirmed 21 days ago
B+
Retailer 14
-
£4,164 GBP
$5,579 USD
View
B
Retailer 15
-
£4,238 GBP
$5,679 USD
View
B
Retailer 16
-
£4,436 GBP
View
B+
Retailer 17
-
£4,447 GBP
$5,959 USD
View
B
Retailer 18
-
£4,584 GBP
€5,849 EUR
View
B
Retailer 19
-
£4,978 GBP
ZAR 107,747 ZAR
View
B
Retailer 20
-
£6,447 GBP
$8,638 USD
View
Most Expensive
MOH London
CF41E4F81 · Oct 21
£6,484 GBP
View
Price last confirmed 10 days ago
20 more retailers have this diamond
Prices start from £3,009 GBPSave up to £3,438 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.

B+
1.20ct Round
£3,009 GBP