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Radiant|Natural|GIA

1.70ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 1568186846

Certificate GIA 1568186846

Diamond specifications and retailer prices

From £6,086 GBP
As of November 6, 2026
Save £3,675 GBP (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £9,761 GBP at MOH London · As of November 7, 2026
View at MOH London

About this 1.7ct natural radiant diamond

This 1.7ct natural radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568186846. Listed at 8 retailers as of November 6, 2026, with prices from £6,086 to £9,761, a £3,675 spread on the same certified stone. MOH London lists it at £9,761. 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

1.70
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.95°
OriginNatural
Grading LabGIA
CertificateGIA 1568186846
Dimensions7.88 × 5.93 × 4.08 mm
L/W Ratio1.33
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.88 mm5.93 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568186846
Side View
Table 68.0%Crown 51.95°Girdle: ThickPavilionCulet: NoneDepth 68.8%

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: Nov 6
Current: £9,761 GBP|Low: £5,865 GBP|High: £10,312 GBP|Avg: £7,285 GBP|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 4£5,969 GBP
Retailer 7£6,086 GBP
Retailer 6£6,113 GBP
Retailer 2£6,507 GBP
Retailer 8£6,749 GBP
Retailer 5£7,231 GBP
Retailer 3£7,650 GBP
MOH London£9,761 GBP

44 data points across 8 retailers

8 retailers£6,086 GBP to £9,761 GBP

Retailer 1
-
£5,969 GBP
Price last confirmed 10 days ago
B+
Retailer 2
-
£6,086 GBP
View
B+
Retailer 3
-
£6,113 GBP
View
B+
Retailer 4
-
£6,507 GBP
View
Retailer 5
-
£6,749 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
£7,231 GBP
View
B+
Retailer 7
-
£7,650 GBP
View
Most Expensive
B
MOH London
F7D0F19FD · Nov 7
£9,761 GBP
View
7 more retailers have this diamond
Prices start from £6,086 GBPSave up to £3,675 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+
1.70ct Radiant
£6,086 GBP