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1.15ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6561234215

Certificate GIA 6561234215

Diamond specifications and retailer prices

From $3,972 AUD
HK$21,800 HKD
As of November 1, 2026
Save $5,028 AUD (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,000 AUD at MOH London · As of November 1, 2026
View at MOH London

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 top-tier cut grade and certified by GIA 6561234215. Listed at 7 retailers as of November 1, 2026, with prices from $3,972 to $9,000, a $5,028 spread on the same certified stone. MOH London lists it at $9,000. 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

1.15
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561234215
Dimensions6.66 × 6.61 × 4.16 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Needle
Top View
6.66 mm6.61 mm1.15 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561234215
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: Nov 1
Current: $9,000 AUD|Low: $3,936 AUD|High: $9,150 AUD|Avg: $5,634 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6$3,972 AUD
Retailer 3$4,606 AUD
Retailer 5$4,793 AUD
Retailer 7$5,070 AUD
Retailer 2$5,178 AUD
Retailer 4$6,244 AUD
MOH London$9,000 AUD

10 data points across 7 retailers

7 retailers$3,972 AUD to $9,000 AUD

A
Cheapest Retailer
-
$3,972 AUD
HK$21,800 HKD
A
Retailer 2
-
$4,606 AUD
€3,082 EUR
View
A
Retailer 3
-
$4,793 AUD
$3,367 USD
View
B+
Retailer 4
-
$5,070 AUD
SGD 4,813 SGD
View
A
Retailer 5
-
$5,178 AUD
£2,864 GBP
View
B+
Retailer 6
-
$6,244 AUD
€4,177 EUR
View
Most Expensive
B
MOH London
0416FBBEC · Nov 1
$9,000 AUD
£4,978 GBP
View
6 more retailers have this diamond
Prices start from $3,972 AUDSave up to $5,028 AUD

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
1.15ct Round
$3,972 AUD