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1.71ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 750555508

Shape and cutting style on the report: Round brilliant

Certificate IGI 750555508

Diamond specifications and retailer prices

From $3,825 USD
As of October 25, 2026
Save $3,925 USD (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,750 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 750555508. Listed at 14 retailers as of October 25, 2026, with prices from $3,825 to $7,750, a $3,925 spread on the same certified stone. NZ Jewellers lists it at $7,750. 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
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 750555508
Dimensions7.51 × 7.59 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.51 mm7.59 mm1.71 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 750555508
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $7,750 USD|Low: $3,763 USD|High: $7,750 USD|Avg: $4,948 USD
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 12$3,825 USD
Retailer 14$3,914 USD
Retailer 6$3,928 USD
Retailer 13$4,105 USD
Retailer 16$4,139 USD
Retailer 3$4,448 USD
Retailer 5$4,448 USD
Retailer 15$4,448 USD
Retailer 7$4,597 USD
Retailer 11$5,010 USD
Retailer 10$5,012 USD
Retailer 4$5,133 USD
Retailer 8$5,294 USD
Retailer 2$5,756 USD
Retailer 9$7,085 USD
NZ Jewellers$7,750 USD

39 data points across 16 retailers

14 retailers$3,825 USD to $7,750 USD

A
Cheapest Retailer
-
$3,825 USD
A
Retailer 2
-
$3,914 USD
View
B+
Retailer 3
-
$4,105 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,139 USD
A$6,368 AUD
View
B+
Retailer 5
-
$4,448 USD
View
B+
Retailer 6
-
$4,448 USD
View
B+
Retailer 7
-
$4,448 USD
View
B+
Retailer 8
-
$4,597 USD
View
B+
Retailer 9
-
$5,010 USD
£3,945 GBP
View
B+
Retailer 10
-
$5,012 USD
€4,773 EUR
View
B+
Retailer 11
-
$5,133 USD
View
B
Retailer 12
-
$5,756 USD
£4,532 GBP
View
B
Retailer 13
-
$7,085 USD
£5,579 GBP
View
Most Expensive
B
NZ Jewellers
62fd5573-95ff-40b0-b30c-e172fb4aca6e · Oct 30
$7,750 USD
View
13 more retailers have this diamond
Prices start from $3,825 USDSave up to $3,925 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.

A
1.71ct Round
$3,825 USD