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Round|Lab Grown|IGI

0.51ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG836617387

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836617387

Diamond specifications and retailer prices

From €125 EUR
$140 USD
As of October 30, 2026
Save €1,041 EUR (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,166 EUR at MOH London · As of October 29, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617387 or 836617387. Listed at 12 retailers as of October 29, 2026, with prices from €125 to €1,166, a €1,041 spread on the same certified stone. MOH London lists it at €1,166. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617387
Dimensions5.06 × 5.11 × 3.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.06 mm5.11 mm0.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617387
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.7%

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 30
Current: €1,166 EUR|Low: €125 EUR|High: €1,174 EUR|Avg: €405 EUR|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10€125 EUR
Retailer 2€230 EUR
Retailer 6€251 EUR
Retailer 9€266 EUR
Retailer 5€274 EUR
Retailer 7€358 EUR
Retailer 12€425 EUR
Retailer 8€472 EUR
Retailer 3€489 EUR
Retailer 11€497 EUR
Retailer 4€501 EUR
MOH London€1,166 EUR

24 data points across 12 retailers

12 retailers€125 EUR to €1,166 EUR

A
Cheapest Retailer
-
€125 EUR
$140 USD
Final sale: no returns
A
Retailer 2
-
€230 EUR
£203 GBP
View
A
Retailer 3
-
€251 EUR
ZAR 4,531 ZAR
View
A
Retailer 4
-
€266 EUR
$297 USD
View
A
Retailer 5
-
€274 EUR
View
Retailer 6
-
€358 EUR
$400 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
€425 EUR
SGD 641 SGD
View
B
Retailer 8
-
€472 EUR
$527 USD
View
B
Retailer 9
-
€482 EUR
$538 USD
View
B
Retailer 10
-
€497 EUR
$556 USD
View
B+
Retailer 11
-
€501 EUR
$560 USD
View
Most Expensive
B
MOH London
LG836617387 · Oct 29
€1,166 EUR
£1,026 GBP
View
11 more retailers have this diamond
Prices start from €125 EURSave up to €1,041 EUR

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
€125 EUR