CaratHunter
Plans
Round|Natural|IGI

1.16ct D SI1 Round Natural Diamond

EX • D/SI1 • IGI 617467634

Shape and cutting style on the report: Round brilliant

Certificate IGI 617467634

Diamond specifications and retailer prices

From $4,763 USD
€4,536 EUR
As of October 29, 2026
Save $1,130 USD (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,893 USD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.16ct natural round diamond

This 1.16ct 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 IGI 617467634. Listed at 2 retailers as of October 29, 2026, with prices from $4,763 to $5,893, a $1,130 spread on the same certified stone. Diamond Quarter lists it at $5,893. 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

1.16
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.2°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 617467634
Dimensions6.78 × 6.75 × 4.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.78 mm6.75 mm1.16 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 617467634
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.5%

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 29
Current: $4,763 USD|Low: $4,763 USD|High: $4,763 USD|Avg: $4,763 USD
February 18, 2026
Retailer 1$4,763 USD

1 data point across 1 retailer

2 retailers$4,763 USD to $5,893 USD

B+
Cheapest Retailer
-
$4,763 USD
€4,536 EUR
Most Expensive
B
Diamond Quarter
1.16SI1D613451EBN · Oct 31
$5,893 USD
£4,640 GBP
View
1 more retailer has this diamond
Prices start from $4,763 USDSave up to $1,130 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+
1.16ct Round
$4,763 USD