Round|Natural|GIA

0.80ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2556992450

Certificate GIA 2556992450

Diamond specifications and retailer prices

From $1,139 USD
HK$8,900 HKD
As of October 29, 2026
Save $1,565 USD (58%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,812 USD 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
Color
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: $1,698 USD|Low: $1,139 USD|High: $2,722 USD|Avg: $1,703 USD|+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$1,139 USD
Retailer 10$1,205 USD
Retailer 4$1,414 USD
Retailer 16$1,416 USD
Retailer 5$1,420 USD
Retailer 6$1,467 USD
Retailer 15$1,525 USD
Retailer 7$1,601 USD
Retailer 14$1,620 USD
Retailer 1$1,698 USD
Retailer 13$1,784 USD
Retailer 8$1,887 USD
Retailer 2$2,003 USD
Retailer 11$2,093 USD
Retailer 12$2,264 USD
Retailer 9$2,704 USD

31 data points across 16 retailers

24 retailers$1,139 USD to $2,704 USD

A
Cheapest Retailer
-
$1,139 USD
HK$8,900 HKD
A
Retailer 2
-
$1,205 USD
₹114,737 INR
View
A
Retailer 3
-
$1,414 USD
View
A
Retailer 4
-
$1,416 USD
View
Final sale: no returns
A
Retailer 5
-
$1,420 USD
View
A
Retailer 6
-
$1,467 USD
View
A
Retailer 7
-
$1,525 USD
SGD 2,061 SGD
View
Retailer 8
-
$1,535 USD
View
Price last confirmed 9 days ago
Retailer 9
-
$1,535 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$1,563 USD
View
Price last confirmed 49 days ago
A
Retailer 11
-
$1,601 USD
SGD 2,163 SGD
View
Retailer 12
-
$1,606 USD
View
Price last confirmed 14 days ago
A
Retailer 13
-
$1,620 USD
View
A
Retailer 14
-
$1,698 USD
£1,337 GBP
View
Retailer 15
-
$1,771 USD
View
Price last confirmed 11 days ago
A
Retailer 16
-
$1,784 USD
£1,405 GBP
View
Retailer 17
-
$1,803 USD
View
Price last confirmed 53 days ago
B+
Retailer 18
-
$1,887 USD
View
Retailer 19
-
$2,003 USD
A$3,081 AUD
View
Price last confirmed 24 days ago
B+
Retailer 20
-
$2,093 USD
€1,993 EUR
View
B+
Retailer 21
-
$2,264 USD
ZAR 36,583 ZAR
View
B+
Retailer 22
-
$2,704 USD
£2,129 GBP
View
Retailer 23
-
$3,743 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
a065c5f2-ee5f-4cea-b99f-2fad6525d2f3 · Sep 10
$3,812 USD
View
Price last confirmed 49 days ago
23 more retailers have this diamond
Prices start from $1,139 USDSave up to $1,565 USD

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
$1,139 USD