Round|Natural|GIA

1.15ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 2151334458

Certificate GIA 2151334458

Diamond specifications and retailer prices

From $5,057 CAD
$3,620 USD
As of October 30, 2026
Save $2,231 CAD (31%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,288 CAD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 1.15ct natural round diamond

This 1.15ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2151334458. Listed at 8 retailers as of October 30, 2026, with prices from $5,057 to $7,288, a $2,231 spread on the same certified stone. 77 Diamonds lists it at $7,288. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.15
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryVery Good
FluorescenceMedium
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2151334458
Dimensions6.74 × 6.84 × 4.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.74 mm6.84 mm1.15 ctD / SI1
OriginNatural
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2151334458
Side View
Table 56.0%Crown 35°Girdle: VTN-MEDPavilion 40.6°Culet: NoneDepth 60.6%

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: Oct 30
Current: $7,288 CAD|Low: $4,991 CAD|High: $7,335 CAD|Avg: $6,438 CAD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$5,057 CAD
Retailer 2$7,117 CAD
77 Diamonds$7,288 CAD

40 data points across 3 retailers

8 retailers$5,057 CAD to $7,288 CAD

B+
Cheapest Retailer
-
$5,057 CAD
$3,620 USD
B+
Retailer 2
-
$5,106 CAD
$3,655 USD
View
B+
Retailer 3
-
$5,311 CAD
$3,802 USD
View
B+
Retailer 4
-
$5,501 CAD
A$6,058 AUD
View
B+
Retailer 5
-
$5,684 CAD
View
B
Retailer 6
-
$6,557 CAD
$4,694 USD
View
B
Retailer 7
-
$7,117 CAD
€4,852 EUR
View
Most Expensive
B
77 Diamonds
RBZPECUMBXA · Oct 30
$7,288 CAD
£4,108 GBP
View
7 more retailers have this diamond
Prices start from $5,057 CADSave up to $2,231 CAD

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+
1.15ct Round
$5,057 CAD