Round|Natural|GIA

1.01ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2556033829

Certificate GIA 2556033829

Diamond specifications and retailer prices

From $1,075 USD
HK$8,400 HKD
As of October 30, 2026
Save $1,532 USD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,607 USD at MOH London · As of October 29, 2026
View at MOH London

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556033829. Listed at 11 retailers as of October 29, 2026, with prices from $1,075 to $2,607, a $1,532 spread on the same certified stone. MOH London lists it at $2,607. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556033829
Dimensions6.45 × 6.40 × 4.00 mm
L/W Ratio1.01
Top View
6.45 mm6.40 mm1.01 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556033829
Side View
Table 55.0%Crown 36°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.3%

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 30
Current: $2,607 USD|Low: $1,075 USD|High: $2,687 USD|Avg: $1,655 USD|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$1,075 USD
Retailer 9$1,263 USD
Retailer 6$1,310 USD
Retailer 11$1,334 USD
Retailer 7$1,460 USD
Retailer 8$1,460 USD
Retailer 5$1,510 USD
Retailer 4$1,569 USD
Retailer 3$1,782 USD
Retailer 2$1,838 USD
MOH London$2,607 USD

32 data points across 11 retailers

11 retailers$1,075 USD to $2,607 USD

A
Cheapest Retailer
-
$1,075 USD
HK$8,400 HKD
A
Retailer 2
-
$1,263 USD
View
A
Retailer 3
-
$1,310 USD
View
A
Retailer 4
-
$1,334 USD
View
A
Retailer 5
-
$1,460 USD
View
A
Retailer 6
-
$1,460 USD
View
A
Retailer 7
-
$1,510 USD
View
A
Retailer 8
-
$1,569 USD
£1,236 GBP
View
A
Retailer 9
-
$1,782 USD
View
B+
Retailer 10
-
$1,838 USD
€1,750 EUR
View
Most Expensive
B
MOH London
C36F1B705 · Oct 29
$2,607 USD
£2,053 GBP
View
10 more retailers have this diamond
Prices start from $1,075 USDSave up to $1,532 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
$1,075 USD