Oval|Lab Grown|IGI

0.51ct E SI1 Oval Lab Grown Diamond

GD • E/SI1 • IGI LG795626445

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG795626445

Diamond specifications and retailer prices

From $176 USD
As of November 6, 2026
Save $562 USD (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $738 USD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG795626445 or 795626445. Listed at 8 retailers as of November 4, 2026, with prices from $176 to $738, a $562 spread on the same certified stone. MOH London lists it at $738. 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
E
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle38.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795626445
Dimensions6.58 × 4.60 × 2.57 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm4.60 mm0.51 ctE / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG795626445
Side View
Table 67.0%Crown 38.4°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 55.9%

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 6
Current: $738 USD|Low: $159 USD|High: $744 USD|Avg: $313 USD|+1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$176 USD
Retailer 2$208 USD
Retailer 7$215 USD
Retailer 5$219 USD
Retailer 4$243 USD
Retailer 6$334 USD
Retailer 8$380 USD
MOH London$738 USD

45 data points across 8 retailers

8 retailers$176 USD to $738 USD

B+
Cheapest Retailer
-
$176 USD
B+
Retailer 2
-
$208 USD
View
B+
Retailer 3
-
$215 USD
View
B+
Retailer 4
-
$219 USD
View
B+
Retailer 5
-
$243 USD
View
B
Retailer 6
-
$334 USD
View
B
Retailer 7
-
$380 USD
View
Most Expensive
C
MOH London
LG795626445 · Nov 4
$738 USD
£581 GBP
View
7 more retailers have this diamond
Prices start from $176 USDSave up to $562 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.

B+
0.51ct Oval
$176 USD