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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 $18,897 AUD
$13,274 USD
As of October 30, 2026
Save $13,377 AUD (41%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $32,274 AUD 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 $18,897 to $32,274, a $13,377 spread on the same certified stone. MOH London lists it at $32,274. 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: $32,274 AUD|Low: $18,841 AUD|High: $32,489 AUD|Avg: $24,192 AUD|+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 30, 2026
Retailer 7$19,698 AUD
Retailer 9$20,555 AUD
Retailer 4$21,484 AUD
Retailer 8$21,925 AUD
Retailer 6$22,083 AUD
Retailer 3$22,268 AUD
Retailer 10$23,124 AUD
Retailer 2$24,882 AUD
Retailer 11$29,120 AUD
Retailer 5$30,037 AUD
MOH London$32,274 AUD

41 data points across 11 retailers

18 retailers$18,897 AUD to $32,274 AUD

B+
Cheapest Retailer
-
$18,897 AUD
$13,274 USD
B
Retailer 2
-
$19,242 AUD
CA$18,773 CAD
View
B
Retailer 3
-
$19,698 AUD
$13,837 USD
View
Final sale: no returns
B
Retailer 4
-
$20,172 AUD
$14,170 USD
View
B
Retailer 5
-
$20,555 AUD
$14,439 USD
View
B
Retailer 6
-
$21,484 AUD
£11,883 GBP
View
B
Retailer 7
-
$21,925 AUD
$15,401 USD
View
Retailer 8
-
$22,083 AUD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$22,268 AUD
$15,642 USD
View
B
Retailer 10
-
$23,124 AUD
$16,243 USD
View
B
Retailer 11
-
$23,262 AUD
$16,340 USD
View
B
Retailer 12
-
$23,262 AUD
$16,340 USD
View
B
Retailer 13
-
$23,861 AUD
$16,761 USD
View
B
Retailer 14
-
$24,045 AUD
$16,890 USD
View
B
Retailer 15
-
$24,882 AUD
€16,646 EUR
View
B
Retailer 16
-
$29,120 AUD
$20,455 USD
View
B
Retailer 17
-
$30,037 AUD
ZAR 340,867 ZAR
View
Most Expensive
B
MOH London
1B97FAB98 · Oct 29
$32,274 AUD
£17,851 GBP
View
17 more retailers have this diamond
Prices start from $18,897 AUDSave up to $13,377 AUD

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
$18,897 AUD