Round|Natural|GIA

0.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1389368358

Certificate GIA 1389368358

Diamond specifications and retailer prices

From $962 USD
As of November 6, 2026
Save $2,175 USD (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,137 USD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1389368358. Listed at 18 retailers as of November 5, 2026, with prices from $962 to $3,137, a $2,175 spread on the same certified stone. NZ Jewellers lists it at $3,137. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1389368358
Dimensions5.89 × 5.93 × 3.70 mm
L/W Ratio1.01
Top View
5.89 mm5.93 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1389368358
Side View
Table 57.0%Crown 35.5°Girdle: NULPavilion 40.8°Culet: NoneDepth 62.6%

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 6
Current: $962 USD|Low: $962 USD|High: $2,381 USD|Avg: $1,632 USD|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$962 USD
Retailer 3$1,437 USD
Retailer 5$1,536 USD
Retailer 2$1,612 USD
Retailer 4$1,685 USD
Retailer 6$1,902 USD
Retailer 7$2,349 USD

27 data points across 7 retailers

18 retailers$962 USD to $3,137 USD

A
Cheapest Retailer
-
$962 USD
A
Retailer 2
-
$1,148 USD
View
A
Retailer 3
-
$1,187 USD
View
Final sale: no returns
A
Retailer 4
-
$1,192 USD
View
Retailer 5
-
$1,286 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,286 USD
View
B+
Retailer 7
-
$1,336 USD
View
B+
Retailer 8
-
$1,400 USD
View
B+
Retailer 9
-
$1,421 USD
View
B+
Retailer 10
-
$1,437 USD
View
B+
Retailer 11
-
$1,484 USD
View
B+
Retailer 12
-
$1,536 USD
View
B+
Retailer 13
-
$1,612 USD
View
Retailer 14
-
$1,681 USD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$1,685 USD
View
B+
Retailer 16
-
$1,902 USD
View
B
Retailer 17
-
$2,349 USD
View
Most Expensive
B
NZ Jewellers
c840f667-effc-43a0-97e9-61d28b403e2e · Nov 5
$3,137 USD
View
17 more retailers have this diamond
Prices start from $962 USDSave up to $2,175 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
$962 USD