Round|Natural|GIA

1.71ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2554710876

Certificate GIA 2554710876

Diamond specifications and retailer prices

From £4,868 GBP
$6,522 USD
As of October 29, 2026
Save £5,784 GBP (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £10,652 GBP at NZ Jewellers · As of September 17, 2026
View at NZ Jewellers

About this 1.71ct natural round diamond

This 1.71ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554710876. Listed at 22 retailers as of October 29, 2026, with a 119% 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

1.71
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2554710876
Dimensions7.69 × 7.63 × 4.72 mm
L/W Ratio1.01
Girdle conditionSlightly Thick to Slightly Thick
Key to symbols
Feather, Crystal, Needle
Top View
7.69 mm7.63 mm1.71 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2554710876
Side View
Table 59.0%Crown 32.5°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 61.6%

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 29
Current: £6,872 GBP|Low: £4,822 GBP|High: £9,256 GBP|Avg: £5,997 GBP|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5£4,868 GBP
Retailer 7£5,035 GBP
Retailer 10£5,312 GBP
Retailer 6£5,325 GBP
Retailer 2£5,326 GBP
Retailer 3£5,950 GBP
Retailer 8£6,162 GBP
Retailer 9£6,418 GBP
Retailer 1£6,872 GBP
Retailer 4£8,923 GBP

42 data points across 10 retailers

22 retailers£4,868 GBP to £10,652 GBP

B+
Cheapest Retailer
-
£4,868 GBP
$6,522 USD
B+
Retailer 2
-
£5,008 GBP
A$10,324 AUD
View
B+
Retailer 3
-
£5,035 GBP
$6,747 USD
View
B+
Retailer 4
-
£5,312 GBP
CA$9,885 CAD
View
B+
Retailer 5
-
£5,325 GBP
$7,135 USD
View
Final sale: no returns
Retailer 6
-
£5,770 GBP
$7,731 USD
View
Price last confirmed 43 days ago
B+
Retailer 7
-
£5,770 GBP
$7,731 USD
View
Retailer 8
-
£5,770 GBP
$7,731 USD
View
Price last confirmed 45 days ago
B+
Retailer 9
-
£5,858 GBP
$7,849 USD
View
B+
Retailer 10
-
£5,950 GBP
View
B+
Retailer 11
-
£6,162 GBP
$8,257 USD
View
B
Retailer 12
-
£6,418 GBP
$8,600 USD
View
B
Retailer 13
-
£6,418 GBP
$8,600 USD
View
B+
Retailer 14
-
£6,627 GBP
$8,880 USD
View
Retailer 15
-
£6,657 GBP
$8,920 USD
View
Price last confirmed 43 days ago
B+
Retailer 16
-
£6,657 GBP
$8,920 USD
View
Retailer 17
-
£6,657 GBP
$8,920 USD
View
Price last confirmed 42 days ago
B+
Retailer 18
-
£6,872 GBP
€8,769 EUR
View
B
Retailer 19
-
£8,923 GBP
View
Retailer 20
-
£10,652 GBP
$14,272 USD
View
Price last confirmed 41 days ago
B
Retailer 21
-
£10,652 GBP
$14,272 USD
View
Most Expensive
NZ Jewellers
9d8830c6-40f8-4c7a-b6b5-c61307ccb5dc · Sep 17
£10,652 GBP
$14,272 USD
View
Price last confirmed 43 days ago
21 more retailers have this diamond
Prices start from £4,868 GBPSave up to £5,784 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 Round
£4,868 GBP