Radiant|Natural|GIA

0.83ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6415387708

Certificate GIA 6415387708

Diamond specifications and retailer prices

From $875 USD
As of October 28, 2026
Save $600 USD (41%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,475 USD at Yorxs · As of October 31, 2026
View at Yorxs

About this 0.83ct natural radiant diamond

This 0.83ct natural radiant sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6415387708. Listed at 7 retailers as of October 28, 2026, with prices from $875 to $1,475, a $600 spread on the same certified stone. Yorxs lists it at $1,475. 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

0.83
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6415387708
Dimensions5.65 × 4.50 × 3.60 mm
L/W Ratio1.26
Top View
5.65 mm4.50 mm0.83 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6415387708
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 80.1%

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 28
Current: $1,228 USD|Low: $875 USD|High: $1,495 USD|Avg: $1,266 USD|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
October 31, 2026
Retailer 2$875 USD
Retailer 3$1,091 USD
Retailer 5$1,216 USD
Retailer 1$1,228 USD
Retailer 6$1,256 USD
Retailer 7$1,265 USD
Retailer 4$1,406 USD
Retailer 8$1,467 USD
Yorxs$1,475 USD

25 data points across 9 retailers

7 retailers$875 USD to $1,475 USD

A
Cheapest Retailer
-
$875 USD
Retailer 2
-
$1,053 USD
View
Price last confirmed 83 days ago
B+
Retailer 3
-
$1,091 USD
View
B+
Retailer 4
-
$1,228 USD
£967 GBP
View
Retailer 5
-
$1,406 USD
A$2,163 AUD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
$1,467 USD
€1,397 EUR
View
Most Expensive
B+
Yorxs
254C0F237 · Oct 31
$1,475 USD
€1,405 EUR
View
6 more retailers have this diamond
Prices start from $875 USDSave up to $600 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
0.83ct Radiant
$875 USD