Round|Natural|GIA

1.01ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1528594271

Certificate GIA 1528594271

Diamond specifications and retailer prices

From $1,830 USD
As of November 6, 2026
Save $3,212 USD (64%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,042 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1528594271. Listed at 24 retailers as of November 5, 2026, with prices from $1,830 to $5,042, a $3,212 spread on the same certified stone. NZ Jewellers lists it at $5,042. 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

1.01
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1528594271
Dimensions6.43 × 6.47 × 4.00 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.43 mm6.47 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528594271
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $5,042 USD|Low: $1,763 USD|High: $5,042 USD|Avg: $2,523 USD
NZ Jewellers
Retailer 2
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Retailer 27
November 6, 2026
Retailer 3$1,830 USD
Retailer 11$1,953 USD
Retailer 7$1,974 USD
Retailer 6$2,017 USD
Retailer 14$2,024 USD
Retailer 15$2,044 USD
Retailer 5$2,108 USD
Retailer 10$2,185 USD
Retailer 16$2,185 USD
Retailer 17$2,200 USD
Retailer 21$2,274 USD
Retailer 27$2,286 USD
Retailer 18$2,364 USD
Retailer 19$2,381 USD
Retailer 9$2,392 USD
Retailer 2$2,520 USD
Retailer 4$2,521 USD
Retailer 8$2,530 USD
Retailer 24$2,538 USD
Retailer 13$2,610 USD
Retailer 12$2,792 USD
Retailer 22$2,799 USD
Retailer 23$2,943 USD
Retailer 26$2,947 USD
Retailer 20$3,776 USD
Retailer 25$4,213 USD
NZ Jewellers$5,042 USD

8 data points across 27 retailers

24 retailers$1,830 USD to $5,042 USD

A
Cheapest Retailer
-
$1,830 USD
Retailer 2
-
$1,953 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
$1,974 USD
View
B+
Retailer 4
-
$2,017 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,024 USD
View
B+
Retailer 6
-
$2,044 USD
View
B+
Retailer 7
-
$2,108 USD
View
Retailer 8
-
$2,185 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$2,185 USD
View
B+
Retailer 10
-
$2,200 USD
View
B+
Retailer 11
-
$2,274 USD
View
B+
Retailer 12
-
$2,286 USD
View
B
Retailer 13
-
$2,392 USD
View
B+
Retailer 14
-
$2,520 USD
View
B+
Retailer 15
-
$2,521 USD
View
B+
Retailer 16
-
$2,530 USD
View
B+
Retailer 17
-
$2,538 USD
View
B
Retailer 18
-
$2,610 USD
View
B
Retailer 19
-
$2,792 USD
View
B
Retailer 20
-
$2,799 USD
View
B
Retailer 21
-
$2,943 USD
View
B
Retailer 22
-
$2,947 USD
View
B
Retailer 23
-
$4,213 USD
View
Most Expensive
B
NZ Jewellers
336cb102-bcce-4bca-b4e7-26d504e3e72e · Nov 5
$5,042 USD
View
23 more retailers have this diamond
Prices start from $1,830 USDSave up to $3,212 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
1.01ct Round
$1,830 USD