Radiant|Natural|GIA

1.71ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 5242094634

Certificate GIA 5242094634

Diamond specifications and retailer prices

From £4,289 GBP
HK$44,900 HKD
As of October 31, 2026
Save £5,466 GBP (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £9,755 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.71ct natural radiant diamond

This 1.71ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242094634. Listed at 7 retailers as of October 30, 2026, with prices from £4,289 to £9,755, a £5,466 spread on the same certified stone. NZ Jewellers lists it at £9,755. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle61.39°
OriginNatural
Grading LabGIA
CertificateGIA 5242094634
Dimensions7.58 × 5.84 × 4.07 mm
L/W Ratio1.30
Key to symbols
Crystal, Feather, Needle
Top View
7.58 mm5.84 mm1.71 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242094634
Side View
Table 66.0%CrownGirdle: ThickPavilion 61.39°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £9,755 GBP|Low: £4,251 GBP|High: £9,861 GBP|Avg: £6,416 GBP|-1.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2£4,289 GBP
Retailer 3£5,512 GBP
Retailer 7£5,833 GBP
Retailer 4£5,922 GBP
Retailer 6£6,065 GBP
Retailer 5£8,172 GBP
NZ Jewellers£9,755 GBP

9 data points across 7 retailers

7 retailers£4,289 GBP to £9,755 GBP

A
Cheapest Retailer
-
£4,289 GBP
HK$44,900 HKD
A
Retailer 2
-
£5,512 GBP
View
A
Retailer 3
-
£5,833 GBP
$7,815 USD
View
A
Retailer 4
-
£5,922 GBP
$7,935 USD
View
A
Retailer 5
-
£6,065 GBP
$8,127 USD
View
B+
Retailer 6
-
£8,172 GBP
View
Most Expensive
B
NZ Jewellers
6b868183-9186-4587-9011-25e59b71589a · Oct 30
£9,755 GBP
$13,071 USD
View
6 more retailers have this diamond
Prices start from £4,289 GBPSave up to £5,466 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.

A
1.71ct Radiant
£4,289 GBP