CaratHunter
Plans
Round|Natural|IGI

1.15ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 817606753

Shape and cutting style on the report: Round brilliant

Certificate IGI 817606753

Diamond specifications and retailer prices

From $2,166 SGD
£1,334 GBP
As of October 30, 2026
Save $1,900 SGD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,629 SGD at NZ Jewellers · As of October 11, 2026
View at NZ Jewellers

About this 1.15ct natural round diamond

This 1.15ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 817606753. Listed at 7 retailers as of October 29, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 817606753
Dimensions6.69 × 6.72 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
Faint Yellowish Green
Top View
6.69 mm6.72 mm1.15 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 817606753
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 41.5°CuletDepth 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 30
Current: $3,093 SGD|Low: $2,159 SGD|High: $4,091 SGD|Avg: $3,011 SGD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$2,166 SGD
Retailer 4$2,551 SGD
Retailer 1$3,093 SGD
Retailer 3$4,065 SGD

30 data points across 4 retailers

7 retailers$2,166 SGD to $4,065 SGD

A
Cheapest Retailer
-
$2,166 SGD
£1,334 GBP
Retailer 2
-
$2,308 SGD
$1,805 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$2,415 SGD
$1,889 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$2,551 SGD
$1,995 USD
View
A
Retailer 5
-
$3,093 SGD
€2,304 EUR
View
B+
Retailer 6
-
$4,065 SGD
£2,504 GBP
View
Most Expensive
NZ Jewellers
6a9c731f-3c81-40ec-aacc-ec1a56571c28 · Oct 11
$5,629 SGD
$4,403 USD
View
Price last confirmed 22 days ago
6 more retailers have this diamond
Prices start from $2,166 SGDSave up to $1,900 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.

A
1.15ct Round
$2,166 SGD