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Round|Lab Grown|IGI

0.51ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG414059607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG414059607

Diamond specifications and retailer prices

From $473 SGD
As of November 5, 2026
Save $1,248 SGD (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,286 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG414059607 or 414059607. Listed at 12 retailers as of November 4, 2026, with a 264% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414059607
Dimensions5.09 × 5.11 × 3.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
5.09 mm5.11 mm0.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG414059607
Side View
Table 56.5%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.7%

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: $2,286 SGD|Low: $455 SGD|High: $2,320 SGD|Avg: $1,005 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$473 SGD
Retailer 8$473 SGD
Retailer 11$530 SGD
Retailer 4$549 SGD
Retailer 3$586 SGD
Retailer 9$586 SGD
Retailer 10$936 SGD
Retailer 2$1,046 SGD
Retailer 5$1,052 SGD
Retailer 6$1,721 SGD
Retailer 12$1,887 SGD
MOH London$2,286 SGD

44 data points across 12 retailers

12 retailers$473 SGD to $1,721 SGD

B+
Cheapest Retailer
-
$473 SGD
B+
Retailer 2
-
$473 SGD
View
B
Retailer 3
-
$530 SGD
View
Final sale: no returns
B
Retailer 4
-
$549 SGD
View
B
Retailer 5
-
$586 SGD
View
Retailer 6
-
$586 SGD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$936 SGD
View
B
Retailer 8
-
$1,046 SGD
View
Retailer 9
-
$1,052 SGD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$1,721 SGD
View
Retailer 11
-
$1,887 SGD
View
Price under review
Most Expensive
MOH London
LG414059607 · Nov 5
$2,286 SGD
£1,409 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $473 SGDSave up to $1,248 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
$473 SGD