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Round|Natural|GIA

0.82ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6451590559

Certificate GIA 6451590559

Diamond specifications and retailer prices

From $1,719 SGD
$1,345 USD
As of October 25, 2026
Save $2,356 SGD (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,075 SGD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 0.82ct natural round diamond

This 0.82ct natural round sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6451590559. Listed at 5 retailers as of October 25, 2026, with prices from $1,719 to $4,075, a $2,356 spread on the same certified stone. Diamond Quarter lists it at $4,075. 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

0.82
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6451590559
Dimensions5.96 × 5.95 × 3.76 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.96 mm5.95 mm0.82 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451590559
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

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 25
Current: $2,272 SGD|Low: $1,719 SGD|High: $3,617 SGD|Avg: $2,430 SGD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4$1,719 SGD
Retailer 5$1,883 SGD
Retailer 1$2,272 SGD
Retailer 2$2,793 SGD
Retailer 3$3,593 SGD

35 data points across 5 retailers

5 retailers$1,719 SGD to $4,075 SGD

A
Cheapest Retailer
-
$1,719 SGD
$1,345 USD
B+
Retailer 2
-
$2,272 SGD
£1,399 GBP
View
B
Retailer 3
-
$2,793 SGD
€2,081 EUR
View
B
Retailer 4
-
$3,593 SGD
£2,213 GBP
View
Most Expensive
B
Diamond Quarter
0.82SI2H6459526CN · Oct 29
$4,075 SGD
£2,510 GBP
View
4 more retailers have this diamond
Prices start from $1,719 SGDSave up to $2,356 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
0.82ct Round
$1,719 SGD