Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2186651936

Certificate GIA 2186651936

Diamond specifications and retailer prices

From $3,490 USD
As of November 4, 2026
Save $5,569 USD (61%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,059 USD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2186651936. Listed at 24 retailers as of November 4, 2026, with prices from $3,490 to $9,059, a $5,569 spread on the same certified stone. Diamond Quarter lists it at $9,059. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2186651936
Dimensions6.44 × 6.40 × 3.95 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.44 mm6.40 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2186651936
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,667 USD|Low: $3,361 USD|High: $7,486 USD|Avg: $4,809 USD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$3,580 USD
Retailer 6$3,883 USD
Retailer 9$4,208 USD
Retailer 8$4,523 USD
Retailer 3$4,543 USD
Retailer 7$4,682 USD
Retailer 2$4,917 USD
Retailer 1$5,667 USD
Retailer 4$7,377 USD

41 data points across 9 retailers

24 retailers$3,490 USD to $9,059 USD

B+
Cheapest Retailer
-
$3,490 USD
B+
Retailer 2
-
$3,568 USD
View
B+
Retailer 3
-
$3,580 USD
View
B+
Retailer 4
-
$3,703 USD
View
B+
Retailer 5
-
$3,883 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,000 USD
View
B+
Retailer 7
-
$4,190 USD
View
B+
Retailer 8
-
$4,208 USD
View
B+
Retailer 9
-
$4,208 USD
View
B+
Retailer 10
-
$4,454 USD
View
B+
Retailer 11
-
$4,464 USD
View
B+
Retailer 12
-
$4,543 USD
View
Retailer 13
-
$4,682 USD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$4,740 USD
View
B
Retailer 15
-
$4,740 USD
View
B
Retailer 16
-
$4,855 USD
View
B
Retailer 17
-
$4,900 USD
View
B+
Retailer 18
-
$4,917 USD
View
Retailer 19
-
$5,130 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$5,667 USD
View
B
Retailer 21
-
$6,719 USD
View
B
Retailer 22
-
$7,377 USD
View
B
Retailer 23
-
$8,092 USD
View
Most Expensive
B
Diamond Quarter
1.01SI1D21365E21N · Nov 5
$9,059 USD
£7,133 GBP
View
23 more retailers have this diamond
Prices start from $3,490 USDSave up to $5,569 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+
1.01ct Round
$3,490 USD