Round|Natural|GIA

1.71ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2547160829

Certificate GIA 2547160829

Diamond specifications and retailer prices

From $10,257 AUD
$7,205 USD
As of October 31, 2026
Save $7,271 AUD (41%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,924 AUD at NZ Jewellers · As of October 20, 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 2547160829. Listed at 13 retailers as of October 29, 2026, with a 71% 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
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2547160829
Dimensions7.55 × 7.60 × 4.74 mm
L/W Ratio1.01
Top View
7.55 mm7.60 mm1.71 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547160829
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

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 31
Current: $20,924 AUD|Low: $10,257 AUD|High: $20,924 AUD|Avg: $14,190 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10$10,257 AUD
Retailer 9$10,442 AUD
Retailer 6$11,279 AUD
Retailer 3$11,695 AUD
Retailer 4$11,696 AUD
Retailer 7$12,115 AUD
Retailer 8$12,774 AUD
Retailer 2$13,135 AUD
Retailer 5$17,528 AUD
NZ Jewellers$20,924 AUD

41 data points across 10 retailers

13 retailers$10,257 AUD to $17,528 AUD

B+
Cheapest Retailer
-
$10,257 AUD
$7,205 USD
B+
Retailer 2
-
$10,442 AUD
CA$10,188 CAD
View
B+
Retailer 3
-
$11,279 AUD
$7,923 USD
View
B+
Retailer 4
-
$11,695 AUD
£6,469 GBP
View
B+
Retailer 5
-
$11,696 AUD
$8,216 USD
View
B
Retailer 6
-
$12,115 AUD
$8,510 USD
View
B+
Retailer 7
-
$12,585 AUD
$8,840 USD
View
B+
Retailer 8
-
$12,585 AUD
$8,840 USD
View
B+
Retailer 9
-
$12,774 AUD
$8,973 USD
View
B+
Retailer 10
-
$12,997 AUD
$9,130 USD
View
B+
Retailer 11
-
$13,135 AUD
€8,787 EUR
View
B
Retailer 12
-
$17,528 AUD
£9,695 GBP
View
Most Expensive
NZ Jewellers
0f519b96-d490-452f-a6c4-d2503bd27ab6 · Oct 20
$20,924 AUD
$14,698 USD
View
Price last confirmed 11 days ago
12 more retailers have this diamond
Prices start from $10,257 AUDSave up to $7,271 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
$10,257 AUD