Round|Natural|GIA

1.15ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6561234215

Certificate GIA 6561234215

Diamond specifications and retailer prices

From $2,790 USD
HK$21,800 HKD
As of October 31, 2026
Save $3,637 USD (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,427 USD at MOH London · As of October 29, 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 6 retailers as of October 29, 2026, with prices from $2,790 to $6,427, a $3,637 spread on the same certified stone. MOH London lists it at $6,427. 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
Color
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: Oct 31
Current: $6,427 USD|Low: $2,765 USD|High: $6,427 USD|Avg: $3,978 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2$2,790 USD
Retailer 4$3,246 USD
Retailer 6$3,562 USD
Retailer 3$3,648 USD
Retailer 5$4,417 USD
MOH London$6,427 USD

9 data points across 6 retailers

6 retailers$2,790 USD to $6,427 USD

A
Cheapest Retailer
-
$2,790 USD
HK$21,800 HKD
A
Retailer 2
-
$3,246 USD
€3,091 EUR
View
B+
Retailer 3
-
$3,562 USD
SGD 4,813 SGD
View
A
Retailer 4
-
$3,648 USD
£2,873 GBP
View
B+
Retailer 5
-
$4,417 USD
€4,207 EUR
View
Most Expensive
B
MOH London
0416FBBEC · Oct 29
$6,427 USD
£5,061 GBP
View
5 more retailers have this diamond
Prices start from $2,790 USDSave up to $3,637 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
1.15ct Round
$2,790 USD