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Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2554042649

Certificate GIA 2554042649

Diamond specifications and retailer prices

From $1,675 NZD
$944 USD
As of November 2, 2026
Save $3,552 NZD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,227 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554042649. Listed at 19 retailers as of October 30, 2026, with prices from $1,675 to $5,227, a $3,552 spread on the same certified stone. NZ Jewellers lists it at $5,227. 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

0.80
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554042649
Dimensions6.01 × 6.02 × 3.59 mm
L/W Ratio1.00
Top View
6.01 mm6.02 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554042649
Side View
Table 60.0%Crown 34°Girdle: MED-NULPavilion 40.8°Culet: NoneDepth 59.6%

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 2
Current: $2,702 NZD|Low: $1,675 NZD|High: $3,973 NZD|Avg: $2,699 NZD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$1,675 NZD
Retailer 8$2,225 NZD
Retailer 2$2,432 NZD
Retailer 1$2,702 NZD
Retailer 3$2,768 NZD
Retailer 7$2,802 NZD
Retailer 5$3,170 NZD
Retailer 4$3,925 NZD

38 data points across 8 retailers

19 retailers$1,675 NZD to $5,227 NZD

A
Cheapest Retailer
-
$1,675 NZD
$944 USD
Final sale: no returns
B+
Retailer 2
-
$1,913 NZD
$1,078 USD
View
B+
Retailer 3
-
$2,053 NZD
$1,157 USD
View
Retailer 4
-
$2,143 NZD
$1,208 USD
View
Price last confirmed 55 days ago
B+
Retailer 5
-
$2,143 NZD
$1,208 USD
View
B+
Retailer 6
-
$2,143 NZD
$1,208 USD
View
B+
Retailer 7
-
$2,225 NZD
$1,254 USD
View
B+
Retailer 8
-
$2,360 NZD
$1,330 USD
View
B+
Retailer 9
-
$2,382 NZD
$1,342 USD
View
B+
Retailer 10
-
$2,432 NZD
£1,079 GBP
View
Retailer 11
-
$2,473 NZD
$1,394 USD
View
Price last confirmed 56 days ago
B
Retailer 12
-
$2,473 NZD
$1,394 USD
View
B+
Retailer 13
-
$2,702 NZD
£1,199 GBP
View
B+
Retailer 14
-
$2,714 NZD
$1,529 USD
View
B+
Retailer 15
-
$2,768 NZD
€1,486 EUR
View
Retailer 16
-
$2,802 NZD
A$2,430 AUD
View
Price last confirmed 28 days ago
B
Retailer 17
-
$3,170 NZD
ZAR 28,863 ZAR
View
B
Retailer 18
-
$3,925 NZD
£1,742 GBP
View
Most Expensive
B
NZ Jewellers
5be44580-bda3-42c8-b841-bd20d652b34d · Oct 30
$5,227 NZD
$2,946 USD
View
18 more retailers have this diamond
Prices start from $1,675 NZDSave up to $3,552 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
0.80ct Round
$1,675 NZD