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Round|Natural|GIA

0.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1389368358

Certificate GIA 1389368358

Diamond specifications and retailer prices

From $1,233 SGD
As of November 6, 2026
Save $2,787 SGD (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,020 SGD 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 $1,233 to $4,020, a $2,787 spread on the same certified stone. NZ Jewellers lists it at $4,020. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,233 SGD|Low: $1,233 SGD|High: $3,051 SGD|Avg: $2,092 SGD|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$1,233 SGD
Retailer 3$1,842 SGD
Retailer 5$1,969 SGD
Retailer 2$2,066 SGD
Retailer 4$2,159 SGD
Retailer 6$2,438 SGD
Retailer 7$3,010 SGD

27 data points across 7 retailers

18 retailers$1,233 SGD to $4,020 SGD

A
Cheapest Retailer
-
$1,233 SGD
A
Retailer 2
-
$1,471 SGD
View
A
Retailer 3
-
$1,521 SGD
View
Final sale: no returns
A
Retailer 4
-
$1,528 SGD
View
Retailer 5
-
$1,648 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,648 SGD
View
B+
Retailer 7
-
$1,712 SGD
View
B+
Retailer 8
-
$1,794 SGD
View
B+
Retailer 9
-
$1,821 SGD
View
B+
Retailer 10
-
$1,842 SGD
View
B+
Retailer 11
-
$1,902 SGD
View
B+
Retailer 12
-
$1,969 SGD
View
B+
Retailer 13
-
$2,066 SGD
View
Retailer 14
-
$2,154 SGD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$2,159 SGD
View
B+
Retailer 16
-
$2,438 SGD
View
B
Retailer 17
-
$3,010 SGD
View
Most Expensive
B
NZ Jewellers
c840f667-effc-43a0-97e9-61d28b403e2e · Nov 5
$4,020 SGD
$3,137 USD
View
17 more retailers have this diamond
Prices start from $1,233 SGDSave up to $2,787 SGD

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
$1,233 SGD