Round|Natural|GIA

1.71ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6512800435

Certificate GIA 6512800435

Diamond specifications and retailer prices

From $7,769 USD
As of October 28, 2026
Save $8,827 USD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,596 USD 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 28, 2026, with prices from $7,769 to $16,596, a $8,827 spread on the same certified stone. NZ Jewellers lists it at $16,596. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $12,020 USD|Low: $6,915 USD|High: $13,995 USD|Avg: $10,568 USD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5$8,298 USD
Retailer 2$9,205 USD
Retailer 3$10,345 USD
Retailer 1$12,020 USD
Retailer 4$13,903 USD

44 data points across 5 retailers

15 retailers$7,769 USD to $16,596 USD

B+
Cheapest Retailer
-
$7,769 USD
B+
Retailer 2
-
$8,298 USD
View
B+
Retailer 3
-
$8,298 USD
View
Final sale: no returns
B+
Retailer 4
-
$8,989 USD
View
B
Retailer 5
-
$9,128 USD
View
B+
Retailer 6
-
$9,205 USD
£7,248 GBP
View
B
Retailer 7
-
$9,820 USD
View
B
Retailer 8
-
$9,820 USD
View
B
Retailer 9
-
$10,150 USD
View
B
Retailer 10
-
$10,345 USD
€9,852 EUR
View
B
Retailer 11
-
$10,372 USD
View
Retailer 12
-
$10,923 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$12,020 USD
£9,464 GBP
View
B
Retailer 14
-
$13,903 USD
£10,947 GBP
View
Most Expensive
B
NZ Jewellers
f8d76609-5931-49d4-8cc3-e4efb57bc0eb · Oct 30
$16,596 USD
View
14 more retailers have this diamond
Prices start from $7,769 USDSave up to $8,827 USD

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
$7,769 USD