Radiant|Natural|GIA

1.73ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6542770578

Certificate GIA 6542770578

Diamond specifications and retailer prices

From £5,924 GBP
$7,937 USD
As of November 2, 2026
Save £4,161 GBP (41%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £12,103 GBP at NZ Jewellers · As of September 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), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542770578. Listed at 15 retailers as of November 1, 2026, with a 70% 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

1.73
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle34.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542770578
Dimensions7.72 × 5.93 × 4.12 mm
L/W Ratio1.30
Top View
7.72 mm5.93 mm1.73 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542770578
Side View
Table 69.0%CrownGirdle: ThickPavilion 34.8°Culet: NoneDepth 69.6%

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 2
Current: £7,905 GBP|Low: £4,968 GBP|High: £10,206 GBP|Avg: £6,542 GBP|-3.5%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 13£4,968 GBP
Retailer 2£5,043 GBP
Retailer 10£5,188 GBP
Retailer 11£5,196 GBP
Retailer 15£5,244 GBP
Retailer 8£5,518 GBP
Retailer 7£5,769 GBP
Retailer 9£5,803 GBP
Retailer 22£5,924 GBP
Retailer 20£6,006 GBP
Retailer 3£6,068 GBP
Retailer 16£6,540 GBP
Retailer 19£6,782 GBP
Retailer 12£6,825 GBP
Retailer 17£7,024 GBP
Retailer 4£7,239 GBP
Retailer 5£7,239 GBP
Retailer 21£7,407 GBP
Retailer 6£7,478 GBP
Retailer 1£7,905 GBP
Retailer 14£9,014 GBP
Retailer 18£10,085 GBP

22 data points across 22 retailers

15 retailers£5,924 GBP to £10,085 GBP

Retailer 1
-
£4,968 GBP
HK$52,000 HKD
Price last confirmed 59 days ago
B+
Retailer 2
-
£5,924 GBP
$7,937 USD
View
B+
Retailer 3
-
£6,006 GBP
CA$11,178 CAD
View
B+
Retailer 4
-
£6,068 GBP
A$12,508 AUD
View
B+
Retailer 5
-
£6,540 GBP
$8,763 USD
View
B+
Retailer 6
-
£6,782 GBP
$9,087 USD
View
B+
Retailer 7
-
£6,825 GBP
View
B+
Retailer 8
-
£7,024 GBP
$9,412 USD
View
B+
Retailer 9
-
£7,239 GBP
$9,700 USD
View
B+
Retailer 10
-
£7,239 GBP
$9,700 USD
View
B
Retailer 11
-
£7,407 GBP
$9,925 USD
View
B
Retailer 12
-
£7,478 GBP
$10,020 USD
View
B+
Retailer 13
-
£7,905 GBP
€10,088 EUR
View
B
Retailer 14
-
£10,085 GBP
View
Most Expensive
NZ Jewellers
f22ba2dc-6b42-4b1d-b3d1-a433c4f4326c · Sep 30
£12,103 GBP
$16,217 USD
View
Price last confirmed 32 days ago
14 more retailers have this diamond
Prices start from £5,924 GBPSave up to £4,161 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
£5,924 GBP