Round|Natural|GIA

1.36ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6505419822

Shape and cutting style on the report: Round brilliant

Certificate GIA 6505419822

Diamond specifications and retailer prices

From $4,011 NZD
As of November 5, 2026
Save $3,279 NZD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,722 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.36ct natural round diamond

This 1.36ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505419822. Listed at 10 retailers as of November 4, 2026, with a 82% 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

1.36
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6505419822
Dimensions7.07 × 7.02 × 4.39 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.07 mm7.02 mm1.36 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6505419822
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.3%

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: $5,169 NZD|Low: $4,011 NZD|High: $7,398 NZD|Avg: $5,242 NZD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$4,011 NZD
Retailer 3$4,508 NZD
Retailer 2$5,091 NZD
Retailer 1$5,169 NZD
Retailer 4$7,290 NZD

43 data points across 5 retailers

10 retailers$4,011 NZD to $7,290 NZD

A
Cheapest Retailer
-
$4,011 NZD
Retailer 2
-
$4,172 NZD
View
Price last confirmed 29 days ago
Retailer 3
-
$4,172 NZD
View
Price last confirmed 29 days ago
Retailer 4
-
$4,365 NZD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$4,508 NZD
View
Retailer 6
-
$4,814 NZD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$5,091 NZD
View
B+
Retailer 8
-
$5,169 NZD
View
B
Retailer 9
-
$7,290 NZD
View
Most Expensive
NZ Jewellers
779d65d9-6043-4fe4-9233-2c5cff55a626 · Sep 28
$8,722 NZD
$4,903 USD
View
Price last confirmed 39 days ago
9 more retailers have this diamond
Prices start from $4,011 NZDSave up to $3,279 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
1.36ct Round
$4,011 NZD