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Round|Natural|GIA

1.71ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 15656378

Certificate GIA 15656378

Diamond specifications and retailer prices

From £9,907 GBP
$13,274 USD
As of October 30, 2026
Save £7,013 GBP (41%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £16,920 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.71ct natural round diamond

This 1.71ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 15656378. Listed at 18 retailers as of October 29, 2026, with prices from £9,907 to £16,920, a £7,013 spread on the same certified stone. MOH London lists it at £16,920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 15656378
Dimensions7.58 × 7.62 × 4.78 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.58 mm7.62 mm1.71 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 15656378
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.9%

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: £16,920 GBP|Low: £9,878 GBP|High: £17,033 GBP|Avg: £12,684 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7£10,327 GBP
Retailer 9£10,776 GBP
Retailer 2£11,264 GBP
Retailer 8£11,494 GBP
Retailer 6£11,577 GBP
Retailer 3£11,674 GBP
Retailer 10£12,123 GBP
Retailer 4£13,045 GBP
Retailer 11£15,266 GBP
Retailer 5£15,747 GBP
MOH London£16,920 GBP

42 data points across 11 retailers

18 retailers£9,907 GBP to £16,920 GBP

B+
Cheapest Retailer
-
£9,907 GBP
$13,274 USD
B
Retailer 2
-
£10,088 GBP
CA$18,773 CAD
View
B
Retailer 3
-
£10,327 GBP
$13,837 USD
View
Final sale: no returns
B
Retailer 4
-
£10,575 GBP
$14,170 USD
View
B
Retailer 5
-
£10,776 GBP
$14,439 USD
View
B
Retailer 6
-
£11,264 GBP
View
B
Retailer 7
-
£11,494 GBP
$15,401 USD
View
Retailer 8
-
£11,577 GBP
A$23,865 AUD
View
Price last confirmed 7 days ago
B
Retailer 9
-
£11,674 GBP
$15,642 USD
View
B
Retailer 10
-
£12,123 GBP
$16,243 USD
View
B
Retailer 11
-
£12,195 GBP
$16,340 USD
View
B
Retailer 12
-
£12,195 GBP
$16,340 USD
View
B
Retailer 13
-
£12,509 GBP
$16,761 USD
View
B
Retailer 14
-
£12,606 GBP
$16,890 USD
View
B
Retailer 15
-
£13,045 GBP
€16,646 EUR
View
B
Retailer 16
-
£15,266 GBP
$20,455 USD
View
B
Retailer 17
-
£15,747 GBP
ZAR 340,867 ZAR
View
Most Expensive
B
MOH London
1B97FAB98 · Oct 29
£16,920 GBP
View
17 more retailers have this diamond
Prices start from £9,907 GBPSave up to £7,013 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
£9,907 GBP