Round|Natural|GIA

1.71ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2554710876

Certificate GIA 2554710876

Diamond specifications and retailer prices

From $9,285 AUD
$6,522 USD
As of October 29, 2026
Save $11,033 AUD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $20,318 AUD 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: $20,318 AUD|Low: $9,198 AUD|High: $20,318 AUD|Avg: $12,219 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 10$9,285 AUD
Retailer 13$9,605 AUD
Retailer 5$10,132 AUD
Retailer 11$10,157 AUD
Retailer 6$10,159 AUD
Retailer 12$11,006 AUD
Retailer 9$11,174 AUD
Retailer 2$11,350 AUD
Retailer 3$11,755 AUD
Retailer 4$12,243 AUD
Retailer 14$12,699 AUD
Retailer 7$13,108 AUD
Retailer 8$17,020 AUD
NZ Jewellers$20,318 AUD

43 data points across 14 retailers

22 retailers$9,285 AUD to $20,318 AUD

B+
Cheapest Retailer
-
$9,285 AUD
$6,522 USD
B+
Retailer 2
-
$9,553 AUD
View
B+
Retailer 3
-
$9,605 AUD
$6,747 USD
View
B+
Retailer 4
-
$10,132 AUD
CA$9,885 CAD
View
B+
Retailer 5
-
$10,157 AUD
$7,135 USD
View
Final sale: no returns
Retailer 6
-
$11,006 AUD
$7,731 USD
View
Price last confirmed 43 days ago
B+
Retailer 7
-
$11,006 AUD
$7,731 USD
View
Retailer 8
-
$11,006 AUD
$7,731 USD
View
Price last confirmed 45 days ago
B+
Retailer 9
-
$11,174 AUD
$7,849 USD
View
B+
Retailer 10
-
$11,350 AUD
£6,278 GBP
View
B+
Retailer 11
-
$11,755 AUD
$8,257 USD
View
B
Retailer 12
-
$12,243 AUD
$8,600 USD
View
B
Retailer 13
-
$12,243 AUD
$8,600 USD
View
B+
Retailer 14
-
$12,642 AUD
$8,880 USD
View
Retailer 15
-
$12,699 AUD
$8,920 USD
View
Price last confirmed 44 days ago
B+
Retailer 16
-
$12,699 AUD
$8,920 USD
View
Retailer 17
-
$12,699 AUD
$8,920 USD
View
Price last confirmed 42 days ago
B+
Retailer 18
-
$13,108 AUD
€8,769 EUR
View
B
Retailer 19
-
$17,020 AUD
£9,414 GBP
View
Retailer 20
-
$20,318 AUD
$14,272 USD
View
Price last confirmed 41 days ago
B
Retailer 21
-
$20,318 AUD
$14,272 USD
View
Most Expensive
NZ Jewellers
9d8830c6-40f8-4c7a-b6b5-c61307ccb5dc · Sep 17
$20,318 AUD
$14,272 USD
View
Price last confirmed 44 days ago
21 more retailers have this diamond
Prices start from $9,285 AUDSave up to $11,033 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
$9,285 AUD