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Radiant|Natural|GIA

0.70ct H SI1 Radiant Natural Diamond

GD • H/SI1 • GIA 6451779706

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate GIA 6451779706

Diamond specifications and retailer prices

From £783 GBP
HK$8,200 HKD
As of November 1, 2026
Save £1,042 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,826 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.7ct natural radiant diamond

This 0.7ct natural radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6451779706. Listed at 19 retailers as of November 1, 2026, with prices from £783 to £1,826, a £1,042 spread on the same certified stone. MOH London lists it at £1,826. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.70
Carat
H
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6451779706
Dimensions5.62 × 4.34 × 3.07 mm
L/W Ratio1.29
Top View
5.62 mm4.34 mm0.70 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451779706
Side View
Table 65.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.7%

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 1
Current: £1,826 GBP|Low: £774 GBP|High: £1,847 GBP|Avg: £1,199 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9£783 GBP
Retailer 12£919 GBP
Retailer 10£924 GBP
Retailer 3£1,078 GBP
Retailer 6£1,098 GBP
Retailer 8£1,129 GBP
Retailer 7£1,217 GBP
Retailer 2£1,257 GBP
Retailer 5£1,292 GBP
Retailer 4£1,305 GBP
Retailer 11£1,485 GBP
MOH London£1,826 GBP

34 data points across 12 retailers

19 retailers£783 GBP to £1,826 GBP

B+
Cheapest Retailer
-
£783 GBP
HK$8,200 HKD
B
Retailer 2
-
£823 GBP
$1,103 USD
View
B
Retailer 3
-
£919 GBP
$1,232 USD
View
Final sale: no returns
B
Retailer 4
-
£924 GBP
$1,238 USD
View
Retailer 5
-
£935 GBP
$1,253 USD
View
Price last confirmed 76 days ago
B
Retailer 6
-
£1,064 GBP
€1,358 EUR
View
B
Retailer 7
-
£1,078 GBP
$1,445 USD
View
B
Retailer 8
-
£1,088 GBP
SGD 1,970 SGD
View
B
Retailer 9
-
£1,098 GBP
$1,471 USD
View
B
Retailer 10
-
£1,129 GBP
View
B
Retailer 11
-
£1,217 GBP
View
B
Retailer 12
-
£1,222 GBP
A$2,518 AUD
View
Retailer 13
-
£1,256 GBP
View
Price last confirmed 28 days ago
B
Retailer 14
-
£1,257 GBP
View
B
Retailer 15
-
£1,292 GBP
€1,649 EUR
View
Retailer 16
-
£1,305 GBP
A$2,689 AUD
View
Price last confirmed 30 days ago
B
Retailer 17
-
£1,485 GBP
ZAR 32,145 ZAR
View
C
Retailer 18
-
£1,677 GBP
€2,140 EUR
View
Most Expensive
C
MOH London
3CE7515E2 · Nov 1
£1,826 GBP
View
18 more retailers have this diamond
Prices start from £783 GBPSave up to £1,042 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+
0.70ct Radiant
£783 GBP