Round|Natural|GIA

0.51ct H IF Round Natural Diamond

GD • H/IF • GIA 6392028986

Certificate GIA 6392028986

Diamond specifications and retailer prices

From $521 USD
₹49,665 INR
As of November 1, 2026
Save $1,115 USD (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,204 USD at NZ Jewellers · As of September 23, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by GIA 6392028986. Listed at 20 retailers as of October 31, 2026, with a 214% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Color
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6392028986
Dimensions4.93 × 4.86 × 3.24 mm
L/W Ratio1.01
Top View
4.93 mm4.86 mm0.51 ctH / IF
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6392028986
Side View
Table 56.0%Crown 40°Girdle: STK-VTKPavilion 39.8°Culet: NoneDepth 66.1%

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: Nov 1
Current: $864 USD|Low: $520 USD|High: $1,642 USD|Avg: $937 USD|+3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$521 USD
Retailer 8$649 USD
Retailer 4$705 USD
Retailer 1$864 USD
Retailer 6$880 USD
Retailer 3$937 USD
Retailer 9$1,057 USD
Retailer 7$1,085 USD
Retailer 5$1,623 USD

35 data points across 9 retailers

20 retailers$521 USD to $1,637 USD

A
Cheapest Retailer
-
$521 USD
₹49,665 INR
A
Retailer 2
-
$649 USD
View
Final sale: no returns
A
Retailer 3
-
$665 USD
A$1,024 AUD
View
A
Retailer 4
-
$703 USD
View
A
Retailer 5
-
$705 USD
View
A
Retailer 6
-
$721 USD
View
A
Retailer 7
-
$730 USD
View
B+
Retailer 8
-
$811 USD
View
Retailer 9
-
$811 USD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
$817 USD
View
B+
Retailer 11
-
$835 USD
View
B+
Retailer 12
-
$864 USD
£680 GBP
View
B+
Retailer 13
-
$880 USD
View
B+
Retailer 14
-
$937 USD
€892 EUR
View
Retailer 15
-
$1,057 USD
A$1,626 AUD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$1,085 USD
ZAR 17,525 ZAR
View
B
Retailer 17
-
$1,402 USD
£1,104 GBP
View
B
Retailer 18
-
$1,623 USD
£1,278 GBP
View
B
Retailer 19
-
$1,637 USD
£1,289 GBP
View
Most Expensive
NZ Jewellers
68fb0b59-a0e8-43c0-98d2-d0d0e8ef9aea · Sep 23
$2,204 USD
View
Price last confirmed 40 days ago
19 more retailers have this diamond
Prices start from $521 USDSave up to $1,115 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
0.51ct Round
$521 USD