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Round|Natural|GIA

0.80ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2556992450

Certificate GIA 2556992450

Diamond specifications and retailer prices

From $2,028 NZD
HK$8,900 HKD
As of October 29, 2026
Save $2,786 NZD (58%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,787 NZD at NZ Jewellers · As of September 10, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556992450. Listed at 24 retailers as of October 29, 2026, with a 137% 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

0.80
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556992450
Dimensions6.01 × 6.05 × 3.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.01 mm6.05 mm0.80 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2556992450
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.2%

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: Oct 29
Current: $3,022 NZD|Low: $2,028 NZD|High: $4,846 NZD|Avg: $3,033 NZD|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 3$2,028 NZD
Retailer 10$2,145 NZD
Retailer 4$2,518 NZD
Retailer 16$2,521 NZD
Retailer 5$2,528 NZD
Retailer 6$2,612 NZD
Retailer 15$2,716 NZD
Retailer 7$2,850 NZD
Retailer 14$2,884 NZD
Retailer 1$3,022 NZD
Retailer 13$3,177 NZD
Retailer 8$3,359 NZD
Retailer 2$3,566 NZD
Retailer 11$3,726 NZD
Retailer 12$4,032 NZD
Retailer 9$4,814 NZD

31 data points across 16 retailers

24 retailers$2,028 NZD to $4,814 NZD

A
Cheapest Retailer
-
$2,028 NZD
HK$8,900 HKD
A
Retailer 2
-
$2,145 NZD
₹114,737 INR
View
A
Retailer 3
-
$2,518 NZD
$1,414 USD
View
A
Retailer 4
-
$2,521 NZD
$1,416 USD
View
Final sale: no returns
A
Retailer 5
-
$2,528 NZD
$1,420 USD
View
A
Retailer 6
-
$2,612 NZD
$1,467 USD
View
A
Retailer 7
-
$2,716 NZD
SGD 2,061 SGD
View
A
Retailer 8
-
$2,733 NZD
$1,535 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$2,733 NZD
$1,535 USD
View
Price last confirmed 13 days ago
A
Retailer 10
-
$2,783 NZD
$1,563 USD
View
Price last confirmed 49 days ago
A
Retailer 11
-
$2,850 NZD
SGD 2,163 SGD
View
A
Retailer 12
-
$2,859 NZD
$1,606 USD
View
Price last confirmed 14 days ago
A
Retailer 13
-
$2,884 NZD
$1,620 USD
View
A
Retailer 14
-
$3,022 NZD
£1,337 GBP
View
A
Retailer 15
-
$3,153 NZD
$1,771 USD
View
Price last confirmed 11 days ago
A
Retailer 16
-
$3,177 NZD
£1,405 GBP
View
B+
Retailer 17
-
$3,210 NZD
$1,803 USD
View
Price last confirmed 52 days ago
B+
Retailer 18
-
$3,359 NZD
$1,887 USD
View
B+
Retailer 19
-
$3,566 NZD
A$3,081 AUD
View
Price last confirmed 24 days ago
B+
Retailer 20
-
$3,726 NZD
€1,993 EUR
View
B+
Retailer 21
-
$4,032 NZD
ZAR 36,583 ZAR
View
B+
Retailer 22
-
$4,814 NZD
£2,129 GBP
View
B
Retailer 23
-
$6,664 NZD
$3,743 USD
View
Price last confirmed 12 days ago
Most Expensive
B
NZ Jewellers
a065c5f2-ee5f-4cea-b99f-2fad6525d2f3 · Sep 10
$6,787 NZD
$3,812 USD
View
Price last confirmed 49 days ago
23 more retailers have this diamond
Prices start from $2,028 NZDSave up to $2,786 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
$2,028 NZD