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Round|Natural|GIA

0.85ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2486808389

Certificate GIA 2486808389

Diamond specifications and retailer prices

From $2,060 NZD
As of November 6, 2026
Save $1,206 NZD (37%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,494 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.85ct natural round diamond

This 0.85ct 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 GIA 2486808389. Listed at 8 retailers as of November 4, 2026, with a 59% 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

0.85
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2486808389
Dimensions6.01 × 6.05 × 3.75 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.01 mm6.05 mm0.85 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2486808389
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,060 NZD|Low: $1,843 NZD|High: $3,415 NZD|Avg: $2,386 NZD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$1,843 NZD
Retailer 5$1,843 NZD
Retailer 1$2,060 NZD
Retailer 2$2,489 NZD
Retailer 6$2,656 NZD
Retailer 3$3,266 NZD

42 data points across 6 retailers

8 retailers$2,060 NZD to $3,266 NZD

Retailer 1
-
$1,843 NZD
Price last confirmed 29 days ago
Retailer 2
-
$1,843 NZD
View
Price last confirmed 29 days ago
Retailer 3
-
$1,912 NZD
View
Price last confirmed 38 days ago
B+
Retailer 4
-
$2,060 NZD
View
Retailer 5
-
$2,126 NZD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$2,489 NZD
View
B
Retailer 7
-
$3,266 NZD
View
Most Expensive
NZ Jewellers
06c6dc71-aff0-4e5f-9a6a-9f24e6f0e6ad · Sep 28
$4,494 NZD
$2,526 USD
View
Price last confirmed 39 days ago
7 more retailers have this diamond
Prices start from $2,060 NZDSave up to $1,206 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.

B+
0.85ct Round
$2,060 NZD