CaratHunter
Plans
Round|Natural|IGI

0.51ct K VS2 Round Natural Diamond

EX • K/VS2 • IGI 529273501

Shape and cutting style on the report: Round brilliant

Certificate IGI 529273501

Diamond specifications and retailer prices

From $210 USD
As of October 31, 2026
Save $1,322 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,532 USD at Allurez · As of November 5, 2026
View at Allurez

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 529273501. Listed at 16 retailers as of October 31, 2026, with prices from $210 to $1,532, a $1,322 spread on the same certified stone. Allurez lists it at $1,532. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
K
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 529273501
Dimensions5.11 × 5.08 × 3.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
5.11 mm5.08 mm0.51 ctK / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 529273501
Side View
Table 55.5%Crown 36.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.6%

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 31
Current: $651 USD|Low: $210 USD|High: $1,323 USD|Avg: $489 USD
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
November 5, 2026
Retailer 8$210 USD
Retailer 15$292 USD
Retailer 13$310 USD
Retailer 5$314 USD
Retailer 3$326 USD
Retailer 14$365 USD
Retailer 11$370 USD
Retailer 10$383 USD
Retailer 7$393 USD
Retailer 4$422 USD
Retailer 2$449 USD
Retailer 9$558 USD
Retailer 1$651 USD
Retailer 12$678 USD
Retailer 6$1,323 USD

28 data points across 15 retailers

16 retailers$210 USD to $1,532 USD

A
Cheapest Retailer
-
$210 USD
Retailer 2
-
$292 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$310 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$314 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$326 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$365 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$370 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$383 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$393 USD
View
Price last confirmed 10 days ago
Retailer 10
-
$422 USD
View
Price last confirmed 11 days ago
Retailer 11
-
$449 USD
View
Price last confirmed 12 days ago
Retailer 12
-
$558 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$651 USD
View
Retailer 14
-
$678 USD
View
Price last confirmed 8 days ago
Retailer 15
-
$1,323 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Allurez
1199800 · Nov 5
$1,532 USD
View
15 more retailers have this diamond
Prices start from $210 USDSave up to $1,322 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
$210 USD