Round|Natural|IGI

0.90ct I I1 Round Natural Diamond

GD • I/I1 • IGI 310862811

Shape and cutting style on the report: Round brilliant

Certificate IGI 310862811

Diamond specifications and retailer prices

From $809 USD
As of October 29, 2026
Save $1,727 USD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,536 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by IGI 310862811. Listed at 9 retailers as of October 29, 2026, with prices from $809 to $2,536, a $1,727 spread on the same certified stone. NZ Jewellers lists it at $2,536. 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

0.90
Carat
I
Color
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 310862811
Dimensions5.93 × 5.96 × 3.95 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
5.93 mm5.96 mm0.90 ctI / I1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 310862811
Side View
Table 56.0%Crown 37.7°Girdle: ThickPavilion 41.1°Culet: NoneDepth 66.5%

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: $1,143 USD|Low: $537 USD|High: $1,158 USD|Avg: $941 USD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$537 USD
Retailer 4$820 USD
Retailer 2$848 USD
Retailer 1$1,143 USD
Retailer 3$1,155 USD
Retailer 5$1,158 USD

17 data points across 6 retailers

9 retailers$809 USD to $2,536 USD

B+
Cheapest Retailer
-
$809 USD
B+
Retailer 2
-
$809 USD
View
B+
Retailer 3
-
$820 USD
View
B+
Retailer 4
-
$840 USD
View
B+
Retailer 5
-
$848 USD
View
B+
Retailer 6
-
$933 USD
View
B+
Retailer 7
-
$1,143 USD
€1,089 EUR
View
B+
Retailer 8
-
$1,158 USD
View
Most Expensive
C
NZ Jewellers
dbdab6a3-eb42-4f88-baf6-60570dad6b1f · Oct 30
$2,536 USD
View
8 more retailers have this diamond
Prices start from $809 USDSave up to $1,727 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+
0.90ct Round
$809 USD