Round|Natural|GIA

1.71ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2518845146

Certificate GIA 2518845146

Diamond specifications and retailer prices

From $3,735 USD
As of October 25, 2026
Save $1,961 USD (34%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,941 USD at Wholesale Diamonds Direct · As of October 21, 2026
View at Wholesale Diamonds Direct

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 GIA 2518845146. Listed at 16 retailers as of October 25, 2026, with a 53% 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
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2518845146
Dimensions7.62 × 7.58 × 4.75 mm
L/W Ratio1.01
Top View
7.62 mm7.58 mm1.71 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2518845146
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.5%

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: $5,272 USD|Low: $3,677 USD|High: $6,941 USD|Avg: $4,603 USD|+13.6%
Retailer 1
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
Wholesale Diamonds Direct
November 1, 2026
Retailer 6$3,735 USD
Retailer 14$4,138 USD
Retailer 5$4,200 USD
Retailer 4$4,251 USD
Retailer 15$4,445 USD
Retailer 3$4,483 USD
Retailer 10$4,816 USD
Retailer 12$4,816 USD
Retailer 13$4,816 USD
Retailer 11$5,074 USD
Retailer 1$5,272 USD
Retailer 7$5,297 USD
Retailer 2$5,400 USD
Retailer 8$5,557 USD
Retailer 9$5,696 USD
Wholesale Diamonds Direct$6,941 USD

38 data points across 16 retailers

16 retailers$3,735 USD to $5,696 USD

A
Cheapest Retailer
-
$3,735 USD
A
Retailer 2
-
$4,138 USD
View
A
Retailer 3
-
$4,200 USD
View
B+
Retailer 4
-
$4,251 USD
View
B+
Retailer 5
-
$4,445 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,483 USD
View
B+
Retailer 7
-
$4,816 USD
View
B+
Retailer 8
-
$4,816 USD
View
B+
Retailer 9
-
$4,816 USD
View
B+
Retailer 10
-
$5,074 USD
View
B+
Retailer 11
-
$5,272 USD
£4,151 GBP
View
Retailer 12
-
$5,297 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$5,400 USD
View
B+
Retailer 14
-
$5,557 USD
View
B
Retailer 15
-
$5,696 USD
€5,425 EUR
View
Most Expensive
Wholesale Diamonds Direct
179419490 · Oct 21
$6,941 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $3,735 USDSave up to $1,961 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
$3,735 USD