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Round|Natural|GIA

1.19ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 3535657172

Certificate GIA 3535657172

Diamond specifications and retailer prices

From £3,989 GBP
$5,345 USD
As of October 25, 2026
Save £2,535 GBP (39%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £6,524 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.19ct natural round diamond

This 1.19ct 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 3535657172. Listed at 6 retailers as of October 25, 2026, with prices from £3,989 to £6,524, a £2,535 spread on the same certified stone. MOH London lists it at £6,524. 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

1.19
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3535657172
Dimensions6.77 × 6.74 × 4.20 mm
L/W Ratio1.00
Top View
6.77 mm6.74 mm1.19 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3535657172
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Oct 25
Current: £6,524 GBP|Low: £3,989 GBP|High: £6,594 GBP|Avg: £4,819 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 4£3,989 GBP
Retailer 2£4,163 GBP
Retailer 5£4,480 GBP
Retailer 6£4,534 GBP
Retailer 3£4,931 GBP
MOH London£6,524 GBP

37 data points across 6 retailers

6 retailers£3,989 GBP to £6,524 GBP

B+
Cheapest Retailer
-
£3,989 GBP
$5,345 USD
B+
Retailer 2
-
£4,163 GBP
View
Retailer 3
-
£4,480 GBP
A$9,234 AUD
View
Price last confirmed 21 days ago
B
Retailer 4
-
£4,534 GBP
$6,075 USD
View
B
Retailer 5
-
£4,931 GBP
€6,292 EUR
View
Most Expensive
B
MOH London
401DF4EE8 · Oct 26
£6,524 GBP
View
5 more retailers have this diamond
Prices start from £3,989 GBPSave up to £2,535 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+
1.19ct Round
£3,989 GBP