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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2186651936

Certificate GIA 2186651936

Diamond specifications and retailer prices

From $4,458 SGD
As of November 6, 2026
Save $7,113 SGD (61%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $11,571 SGD 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 5, 2026, with prices from $4,458 to $11,571, a $7,113 spread on the same certified stone. Diamond Quarter lists it at $11,571. 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
Colour
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 6
Current: $7,238 SGD|Low: $4,293 SGD|High: $9,562 SGD|Avg: $6,142 SGD|+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$4,573 SGD
Retailer 6$4,960 SGD
Retailer 9$5,375 SGD
Retailer 8$5,777 SGD
Retailer 3$5,803 SGD
Retailer 7$5,980 SGD
Retailer 2$6,280 SGD
Retailer 1$7,238 SGD
Retailer 4$9,423 SGD

41 data points across 9 retailers

24 retailers$4,458 SGD to $11,571 SGD

B+
Cheapest Retailer
-
$4,458 SGD
B+
Retailer 2
-
$4,557 SGD
View
B+
Retailer 3
-
$4,573 SGD
View
B+
Retailer 4
-
$4,730 SGD
View
B+
Retailer 5
-
$4,960 SGD
View
Final sale: no returns
B+
Retailer 6
-
$5,109 SGD
View
B+
Retailer 7
-
$5,352 SGD
View
B+
Retailer 8
-
$5,375 SGD
View
B+
Retailer 9
-
$5,375 SGD
View
B+
Retailer 10
-
$5,689 SGD
View
B+
Retailer 11
-
$5,702 SGD
View
B+
Retailer 12
-
$5,803 SGD
View
Retailer 13
-
$5,980 SGD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$6,054 SGD
View
B
Retailer 15
-
$6,054 SGD
View
B
Retailer 16
-
$6,201 SGD
View
B
Retailer 17
-
$6,259 SGD
View
B+
Retailer 18
-
$6,280 SGD
View
Retailer 19
-
$6,553 SGD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$7,238 SGD
View
B
Retailer 21
-
$8,582 SGD
View
B
Retailer 22
-
$9,423 SGD
View
B
Retailer 23
-
$10,336 SGD
View
Most Expensive
B
Diamond Quarter
1.01SI1D21365E21N · Nov 5
$11,571 SGD
£7,133 GBP
View
23 more retailers have this diamond
Prices start from $4,458 SGDSave up to $7,113 SGD

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
$4,458 SGD