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Round|Natural|GIA

0.85ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1242003801

Certificate GIA 1242003801

Diamond specifications and retailer prices

From $1,284 NZD
As of November 5, 2026
Save $1,301 NZD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,586 NZD at Allurez · As of November 5, 2026
View at Allurez

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 1242003801. Listed at 13 retailers as of November 5, 2026, with prices from $1,284 to $2,586, a $1,301 spread on the same certified stone. Allurez lists it at $2,586. 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 angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242003801
Dimensions6.02 × 6.06 × 3.79 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.02 mm6.06 mm0.85 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242003801
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°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: $2,586 NZD|Low: $1,284 NZD|High: $2,586 NZD|Avg: $1,730 NZD
Allurez
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 5$1,284 NZD
Retailer 10$1,304 NZD
Retailer 6$1,405 NZD
Retailer 3$1,420 NZD
Retailer 8$1,452 NZD
Retailer 2$1,564 NZD
Retailer 12$1,644 NZD
Retailer 9$1,863 NZD
Retailer 7$1,891 NZD
Retailer 11$2,131 NZD
Retailer 4$2,160 NZD
Allurez$2,586 NZD

40 data points across 12 retailers

13 retailers$1,284 NZD to $2,586 NZD

A
Cheapest Retailer
-
$1,284 NZD
A
Retailer 2
-
$1,304 NZD
View
A
Retailer 3
-
$1,405 NZD
View
A
Retailer 4
-
$1,420 NZD
View
A
Retailer 5
-
$1,452 NZD
View
A
Retailer 6
-
$1,564 NZD
View
A
Retailer 7
-
$1,644 NZD
View
B+
Retailer 8
-
$1,790 NZD
View
A
Retailer 9
-
$1,863 NZD
View
A
Retailer 10
-
$1,891 NZD
View
B+
Retailer 11
-
$2,131 NZD
View
B+
Retailer 12
-
$2,160 NZD
View
Most Expensive
B
Allurez
4179466 · Nov 5
$2,586 NZD
$1,454 USD
View
12 more retailers have this diamond
Prices start from $1,284 NZDSave up to $1,301 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
0.85ct Round
$1,284 NZD