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Radiant|Natural|GIA

0.80ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6555490899

Certificate GIA 6555490899

Diamond specifications and retailer prices

From $865 USD
₹82,351 INR
As of October 30, 2026
Save $1,966 USD (69%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,831 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.8ct natural radiant diamond

This 0.8ct natural radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555490899. Listed at 21 retailers as of October 27, 2026, with prices from $865 to $2,831, a $1,966 spread on the same certified stone. NZ Jewellers lists it at $2,831. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555490899
Dimensions6.87 × 4.54 × 3.00 mm
L/W Ratio1.51
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.87 mm4.54 mm0.80 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555490899
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 66.0%

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: Oct 30
Current: $865 USD|Low: $859 USD|High: $2,181 USD|Avg: $1,304 USD|-3.9%
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
October 30, 2026
Retailer 1$865 USD
Retailer 5$906 USD
Retailer 14$1,049 USD
Retailer 2$1,112 USD
Retailer 13$1,115 USD
Retailer 15$1,126 USD
Retailer 4$1,130 USD
Retailer 7$1,161 USD
Retailer 6$1,273 USD
Retailer 8$1,324 USD
Retailer 11$1,417 USD
Retailer 3$1,477 USD
Retailer 10$1,623 USD
Retailer 12$1,713 USD
Retailer 9$2,137 USD

26 data points across 15 retailers

21 retailers$865 USD to $2,831 USD

A
Cheapest Retailer
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$865 USD
₹82,351 INR
A
Retailer 2
-
$906 USD
View
Final sale: no returns
A
Retailer 3
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$1,049 USD
View
A
Retailer 4
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$1,112 USD
View
A
Retailer 5
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$1,115 USD
View
A
Retailer 6
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$1,126 USD
View
A
Retailer 7
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$1,130 USD
View
A
Retailer 8
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$1,161 USD
View
A
Retailer 9
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$1,161 USD
View
A
Retailer 10
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$1,205 USD
View
A
Retailer 11
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$1,273 USD
View
A
Retailer 12
-
$1,324 USD
£1,042 GBP
View
A
Retailer 13
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$1,339 USD
View
Retailer 14
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$1,394 USD
View
Price last confirmed 54 days ago
A
Retailer 15
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$1,417 USD
£1,116 GBP
View
A
Retailer 16
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$1,477 USD
View
Retailer 17
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$1,538 USD
A$2,367 AUD
View
Price last confirmed 25 days ago
A
Retailer 18
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$1,623 USD
€1,546 EUR
View
A
Retailer 19
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$1,713 USD
ZAR 27,668 ZAR
View
B+
Retailer 20
-
$2,137 USD
£1,683 GBP
View
Most Expensive
B
NZ Jewellers
e6140b8c-5d5a-4cdf-b400-a199774d10d7 · Oct 27
$2,831 USD
View
20 more retailers have this diamond
Prices start from $865 USDSave up to $1,966 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 Radiant
$865 USD