Oval|Lab Grown|IGI

5.51ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG567366087

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG567366087

Diamond specifications and retailer prices

From €594 EUR
$664 USD
As of October 29, 2026
Save €2,309 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,903 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 5.51ct lab-grown oval diamond

This 5.51ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG567366087 or 567366087. Listed at 13 retailers as of October 29, 2026, with prices from €594 to €2,903, a €2,309 spread on the same certified stone. MOH London lists it at €2,903. 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

5.51
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567366087
Dimensions14.16 × 9.99 × 6.29 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.16 mm9.99 mm5.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567366087
Side View
Table 60.5%Crown 35.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

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 29
Current: €2,903 EUR|Low: €594 EUR|High: €5,251 EUR|Avg: €1,970 EUR|-0.5%
MOH London
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 13€594 EUR
Retailer 6€646 EUR
Retailer 15€689 EUR
Retailer 2€783 EUR
Retailer 17€813 EUR
Retailer 14€846 EUR
Retailer 16€1,061 EUR
Retailer 11€1,102 EUR
Retailer 4€1,123 EUR
Retailer 7€1,454 EUR
Retailer 12€1,761 EUR
Retailer 5€1,938 EUR
Retailer 18€1,993 EUR
MOH London€2,903 EUR
Retailer 3€3,016 EUR
Retailer 10€3,788 EUR
Retailer 8€4,296 EUR
Retailer 9€5,251 EUR

5 data points across 18 retailers

13 retailers€594 EUR to €2,903 EUR

A
Cheapest Retailer
-
€594 EUR
$664 USD
A
Retailer 2
-
€646 EUR
$722 USD
View
A
Retailer 3
-
€689 EUR
$770 USD
View
A
Retailer 4
-
€783 EUR
£689 GBP
View
A
Retailer 5
-
€813 EUR
HK$7,100 HKD
View
A
Retailer 6
-
€846 EUR
$945 USD
View
B+
Retailer 7
-
€1,061 EUR
$1,185 USD
View
B+
Retailer 8
-
€1,102 EUR
£970 GBP
View
B+
Retailer 9
-
€1,123 EUR
$1,255 USD
View
B
Retailer 10
-
€1,761 EUR
$1,967 USD
View
B
Retailer 11
-
€1,938 EUR
$2,165 USD
View
B
Retailer 12
-
€1,993 EUR
$2,227 USD
View
Most Expensive
B
MOH London
LG567366087 · Nov 1
€2,903 EUR
£2,554 GBP
View
12 more retailers have this diamond
Prices start from €594 EURSave up to €2,309 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
5.51ct Oval
€594 EUR