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Radiant|Natural|GIA

1.73ct G SI1 Radiant Natural Diamond

G/SI1 • GIA 6565691634

Certificate GIA 6565691634

Diamond specifications and retailer prices

From £7,034 GBP
As of November 1, 2026
Save £5,452 GBP (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £12,486 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.73ct natural radiant diamond

This 1.73ct natural radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 6565691634. Listed at 4 retailers as of October 30, 2026, with prices from £7,034 to £12,486, a £5,452 spread on the same certified stone. NZ Jewellers lists it at £12,486. 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

1.73
Carat
G
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565691634
Dimensions7.81 × 6.10 × 4.18 mm
L/W Ratio1.28
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Needle, Natural
Top View
7.81 mm6.10 mm1.73 ctG / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565691634
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

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: £12,486 GBP|Low: £7,034 GBP|High: £12,568 GBP|Avg: £9,365 GBP|-0.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3£7,034 GBP
Retailer 4£8,049 GBP
Retailer 2£10,403 GBP
NZ Jewellers£12,486 GBP

6 data points across 4 retailers

4 retailers£7,034 GBP to £12,486 GBP

B+
Cheapest Retailer
-
£7,034 GBP
B
Retailer 2
-
£8,049 GBP
€10,271 EUR
View
C
Retailer 3
-
£10,403 GBP
View
Most Expensive
C
NZ Jewellers
febab7df-4a52-4e46-9cd3-8ca140885d79 · Oct 30
£12,486 GBP
$16,730 USD
View
3 more retailers have this diamond
Prices start from £7,034 GBPSave up to £5,452 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+
1.73ct Radiant
£7,034 GBP