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Round|Natural|IGI

0.51ct K I1 Round Natural Diamond

VG • K/I1 • IGI 497152358

Shape and cutting style on the report: Round brilliant

Certificate IGI 497152358

Diamond specifications and retailer prices

From $327 SGD
As of November 5, 2026
Save $1,152 SGD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,479 SGD at NZ Jewellers · As of November 4, 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 K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by IGI 497152358. Listed at 8 retailers as of November 4, 2026, with prices from $327 to $1,479, a $1,152 spread on the same certified stone. NZ Jewellers lists it at $1,479. 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
K
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle35.7°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 497152358
Dimensions5.03 × 5.08 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.03 mm5.08 mm0.51 ctK / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 497152358
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $632 SGD|Low: $337 SGD|High: $637 SGD|Avg: $475 SGD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2$340 SGD
Retailer 3$441 SGD
Retailer 4$490 SGD
Retailer 1$632 SGD

15 data points across 4 retailers

8 retailers$327 SGD to $1,479 SGD

B+
Cheapest Retailer
-
$327 SGD
Retailer 2
-
$351 SGD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$364 SGD
View
B+
Retailer 4
-
$429 SGD
View
B+
Retailer 5
-
$439 SGD
View
B+
Retailer 6
-
$441 SGD
View
B
Retailer 7
-
$632 SGD
View
Most Expensive
C
NZ Jewellers
e58b5b7c-254f-4e35-9904-b43e898f50c2 · Nov 4
$1,479 SGD
$1,158 USD
View
7 more retailers have this diamond
Prices start from $327 SGDSave up to $1,152 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.

B+
0.51ct Round
$327 SGD