Round|Natural|GIA

0.51ct I VVS2 Round Natural Diamond

VG • I/VVS2 • GIA 2554181815

Certificate GIA 2554181815

Diamond specifications and retailer prices

From $444 USD
As of November 4, 2026
Save $1,019 USD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,025 USD at NZ Jewellers · As of September 1, 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 I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by GIA 2554181815. Listed at 16 retailers as of November 2, 2026, with a 230% 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
I
Color
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2554181815
Dimensions4.97 × 5.01 × 3.21 mm
L/W Ratio1.01
Top View
4.97 mm5.01 mm0.51 ctI / VVS2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554181815
Side View
Table 57.0%Crown 38.5°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 64.3%

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 4
Current: $1,986 USD|Low: $431 USD|High: $2,044 USD|Avg: $915 USD|-2.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4$444 USD
Retailer 7$473 USD
Retailer 6$755 USD
Retailer 3$758 USD
Retailer 11$765 USD
Retailer 2$768 USD
Retailer 10$820 USD
Retailer 12$830 USD
Retailer 9$854 USD
Retailer 5$977 USD
Retailer 8$1,463 USD
NZ Jewellers$1,986 USD

29 data points across 12 retailers

16 retailers$444 USD to $1,463 USD

A
Cheapest Retailer
-
$444 USD
Final sale: no returns
A
Retailer 2
-
$473 USD
View
A
Retailer 3
-
$614 USD
View
B+
Retailer 4
-
$755 USD
View
B+
Retailer 5
-
$758 USD
View
B+
Retailer 6
-
$765 USD
View
B+
Retailer 7
-
$768 USD
View
B+
Retailer 8
-
$820 USD
View
B+
Retailer 9
-
$830 USD
View
B+
Retailer 10
-
$854 USD
View
Retailer 11
-
$859 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$977 USD
View
Retailer 13
-
$1,310 USD
View
Price last confirmed 25 days ago
B
Retailer 14
-
$1,463 USD
View
Retailer 15
-
$1,986 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
a53309ab-21e7-45cd-bbbe-ef62babf39e5 · Sep 1
$2,025 USD
View
Price last confirmed 64 days ago
15 more retailers have this diamond
Prices start from $444 USDSave up to $1,019 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
$444 USD