CaratHunter
Plans
Radiant|Natural|GIA

1.71ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6545687979

Certificate GIA 6545687979

Diamond specifications and retailer prices

From £7,828 GBP
CA$14,567 CAD
As of October 30, 2026
Save £1,635 GBP (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £9,463 GBP at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 1.71ct natural radiant diamond

This 1.71ct 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 6545687979. Listed at 3 retailers as of October 30, 2026, with prices from £7,828 to £9,463, a £1,635 spread on the same certified stone. The Diamond Guys lists it at £9,463. 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

1.71
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545687979
Dimensions7.97 × 6.00 × 4.06 mm
L/W Ratio1.33
Top View
7.97 mm6.00 mm1.71 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545687979
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

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: Oct 30
Current: £7,828 GBP|Low: £4,802 GBP|High: £11,975 GBP|Avg: £8,811 GBP|-6.7%
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
The Diamond Guys
October 15, 2026
Retailer 7£4,802 GBP
Retailer 6£6,312 GBP
Retailer 5£6,483 GBP
Retailer 10£7,488 GBP
Retailer 1£7,828 GBP
Retailer 12£8,611 GBP
Retailer 9£8,751 GBP
Retailer 8£8,810 GBP
Retailer 11£9,419 GBP
Retailer 13£9,419 GBP
The Diamond Guys£9,463 GBP
Retailer 15£9,732 GBP
Retailer 3£9,910 GBP
Retailer 2£10,257 GBP
Retailer 14£10,617 GBP
Retailer 4£11,975 GBP

2 data points across 16 retailers

3 retailers£7,828 GBP to £9,463 GBP

B+
Cheapest Retailer
-
£7,828 GBP
CA$14,567 CAD
B
Retailer 2
-
£8,810 GBP
$11,804 USD
View
Most Expensive
B
The Diamond Guys
1961935089 · Nov 2
£9,463 GBP
$12,679 USD
View
2 more retailers have this diamond
Prices start from £7,828 GBPSave up to £1,635 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+
1.71ct Radiant
£7,828 GBP