Round|Natural|IGI

0.91ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 380991212

Shape and cutting style on the report: Round brilliant

Certificate IGI 380991212

Diamond specifications and retailer prices

From $1,539 NZD
As of November 5, 2026
Save $3,287 NZD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,826 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.91ct natural round diamond

This 0.91ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 380991212. Listed at 8 retailers as of November 5, 2026, with prices from $1,539 to $4,826, a $3,287 spread on the same certified stone. NZ Jewellers lists it at $4,826. 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

0.91
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 380991212
Dimensions6.11 × 6.13 × 3.83 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
6.11 mm6.13 mm0.91 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 380991212
Side View
Table 59.0%Crown 36.5°Girdle: ThickPavilion 40.5°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 5
Current: $4,826 NZD|Low: $1,204 NZD|High: $4,826 NZD|Avg: $1,813 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 3, 2026
Retailer 9$1,204 NZD
Retailer 2$1,539 NZD
Retailer 8$1,542 NZD
Retailer 3$1,558 NZD
Retailer 6$1,597 NZD
Retailer 5$1,775 NZD
Retailer 7$1,775 NZD
Retailer 4$2,633 NZD
NZ Jewellers$4,826 NZD

4 data points across 9 retailers

8 retailers$1,539 NZD to $4,826 NZD

A
Cheapest Retailer
-
$1,539 NZD
Retailer 2
-
$1,542 NZD
View
Price last confirmed 109 days ago
A
Retailer 3
-
$1,558 NZD
View
A
Retailer 4
-
$1,597 NZD
View
B+
Retailer 5
-
$1,775 NZD
View
B+
Retailer 6
-
$1,775 NZD
View
B
Retailer 7
-
$2,633 NZD
View
Most Expensive
C
NZ Jewellers
0fadc34a-7b3e-43bf-aebc-69cb4188f7f7 · Nov 5
$4,826 NZD
$2,713 USD
View
7 more retailers have this diamond
Prices start from $1,539 NZDSave up to $3,287 NZD

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
0.91ct Round
$1,539 NZD