CaratHunter
Plans
Oval|Natural|IGI

0.51ct H SI1 Oval Natural Diamond

VG • H/SI1 • IGI 815682447

Shape and cutting style on the report: Oval brilliant

Certificate IGI 815682447

Diamond specifications and retailer prices

From $506 SGD
As of November 6, 2026
Save $1,599 SGD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,106 SGD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815682447. Listed at 16 retailers as of November 6, 2026, with prices from $506 to $2,106, a $1,599 spread on the same certified stone. NZ Jewellers lists it at $2,106. 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
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle41.5°
Pavilion angle29.3°
OriginNatural
Grading LabIGI
CertificateIGI 815682447
Dimensions7.09 × 4.27 × 2.43 mm
L/W Ratio1.66
Girdle conditionFaceted
Top View
7.09 mm4.27 mm0.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 815682447
Side View
Table 59.0%Crown 41.5°Girdle: STK-THKPavilion 29.3°Culet: NoneDepth 56.9%

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: Nov 6
Current: $2,106 SGD|Low: $506 SGD|High: $2,106 SGD|Avg: $794 SGD
NZ Jewellers
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
Retailer 16
November 7, 2026
Retailer 6$506 SGD
Retailer 16$506 SGD
Retailer 15$550 SGD
Retailer 3$592 SGD
Retailer 12$592 SGD
Retailer 14$634 SGD
Retailer 9$640 SGD
Retailer 10$674 SGD
Retailer 7$688 SGD
Retailer 11$700 SGD
Retailer 8$750 SGD
Retailer 13$820 SGD
Retailer 4$910 SGD
Retailer 2$942 SGD
Retailer 5$1,269 SGD
NZ Jewellers$2,106 SGD

20 data points across 16 retailers

16 retailers$506 SGD to $2,106 SGD

Retailer 1
-
$506 SGD
Price last confirmed 10 days ago
A
Retailer 2
-
$506 SGD
View
Final sale: no returns
A
Retailer 3
-
$550 SGD
View
B+
Retailer 4
-
$592 SGD
View
B+
Retailer 5
-
$592 SGD
View
B+
Retailer 6
-
$634 SGD
View
B+
Retailer 7
-
$640 SGD
View
B+
Retailer 8
-
$674 SGD
View
B+
Retailer 9
-
$688 SGD
View
B+
Retailer 10
-
$700 SGD
View
B+
Retailer 11
-
$750 SGD
View
B+
Retailer 12
-
$820 SGD
View
B+
Retailer 13
-
$910 SGD
View
B
Retailer 14
-
$942 SGD
View
B
Retailer 15
-
$1,269 SGD
View
Most Expensive
C
NZ Jewellers
8a48c500-bc0c-4c1d-83d9-4875933a4a41 · Nov 7
$2,106 SGD
$1,643 USD
View
15 more retailers have this diamond
Prices start from $506 SGDSave up to $1,599 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
0.51ct Oval
$506 SGD