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Round|Natural|GIA

1.71ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6512800435

Certificate GIA 6512800435

Diamond specifications and retailer prices

From $11,060 AUD
$7,769 USD
As of October 30, 2026
Save $12,566 AUD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $23,626 AUD at NZ Jewellers · As of October 30, 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 6512800435. Listed at 15 retailers as of October 30, 2026, with prices from $11,060 to $23,626, a $12,566 spread on the same certified stone. NZ Jewellers lists it at $23,626. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6512800435
Dimensions7.65 × 7.61 × 4.73 mm
L/W Ratio1.01
Star length50%
Top View
7.65 mm7.61 mm1.71 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512800435
Side View
Table 58.0%Crown 35.5°Girdle: Sli. ThickPavilion 41.2°Culet: NoneDepth 62.1%

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: $13,105 AUD|Low: $9,844 AUD|High: $19,924 AUD|Avg: $14,774 AUD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 5$11,813 AUD
Retailer 6$12,995 AUD
Retailer 1$13,105 AUD
Retailer 3$14,727 AUD
Retailer 2$17,111 AUD
Retailer 4$19,792 AUD

44 data points across 6 retailers

15 retailers$11,060 AUD to $23,626 AUD

B+
Cheapest Retailer
-
$11,060 AUD
$7,769 USD
B+
Retailer 2
-
$11,813 AUD
$8,298 USD
View
B+
Retailer 3
-
$11,813 AUD
$8,298 USD
View
Final sale: no returns
B+
Retailer 4
-
$12,797 AUD
$8,989 USD
View
B
Retailer 5
-
$12,995 AUD
$9,128 USD
View
B+
Retailer 6
-
$13,105 AUD
£7,249 GBP
View
B
Retailer 7
-
$13,980 AUD
$9,820 USD
View
B
Retailer 8
-
$13,980 AUD
$9,820 USD
View
B
Retailer 9
-
$14,450 AUD
$10,150 USD
View
B
Retailer 10
-
$14,727 AUD
€9,852 EUR
View
B
Retailer 11
-
$14,766 AUD
$10,372 USD
View
Retailer 12
-
$15,550 AUD
$10,923 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$17,111 AUD
£9,464 GBP
View
B
Retailer 14
-
$19,792 AUD
£10,947 GBP
View
Most Expensive
B
NZ Jewellers
f8d76609-5931-49d4-8cc3-e4efb57bc0eb · Oct 30
$23,626 AUD
$16,596 USD
View
14 more retailers have this diamond
Prices start from $11,060 AUDSave up to $12,566 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
$11,060 AUD