CaratHunter
Plans
Round|Lab Grown|IGI

5.51ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG605326954

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605326954

Diamond specifications and retailer prices

From €5,972 EUR
As of November 5, 2026
Save €31,287 EUR (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €37,260 EUR at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605326954 or 605326954. Listed at 23 retailers as of November 5, 2026, with prices from €5,972 to €37,260, a €31,287 spread on the same certified stone. Do Amore Diamonds lists it at €37,260. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605326954
Dimensions11.33 × 11.38 × 6.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
11.33 mm11.38 mm5.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605326954
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.5%

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 5
Current: €14,972 EUR|Low: €5,733 EUR|High: €59,534 EUR|Avg: €14,223 EUR|-0.3%
Retailer 1
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 5, 2026
Retailer 16€5,972 EUR
Retailer 7€6,211 EUR
Retailer 6€6,290 EUR
Retailer 9€6,688 EUR
Retailer 14€6,900 EUR
Retailer 2€6,927 EUR
Retailer 3€8,029 EUR
Retailer 15€8,097 EUR
Retailer 8€8,599 EUR
Retailer 11€9,280 EUR
Retailer 17€11,930 EUR
Retailer 1€14,972 EUR
Retailer 12€15,583 EUR
Retailer 13€15,936 EUR
Retailer 18€17,729 EUR
Retailer 4€22,095 EUR
Retailer 10€22,905 EUR
Retailer 5€59,534 EUR

44 data points across 18 retailers

23 retailers€5,972 EUR to €37,260 EUR

A
Cheapest Retailer
-
€5,972 EUR
A
Retailer 2
-
€6,211 EUR
View
A
Retailer 3
-
€6,290 EUR
View
A
Retailer 4
-
€6,688 EUR
View
Final sale: no returns
A
Retailer 5
-
€6,900 EUR
View
A
Retailer 6
-
€6,927 EUR
View
Retailer 7
-
€6,927 EUR
View
Price last confirmed 21 days ago
A
Retailer 8
-
€8,029 EUR
View
A
Retailer 9
-
€8,097 EUR
View
A
Retailer 10
-
€8,134 EUR
View
A
Retailer 11
-
€8,599 EUR
View
A
Retailer 12
-
€9,280 EUR
View
A
Retailer 13
-
€11,930 EUR
View
A
Retailer 14
-
€14,972 EUR
View
B+
Retailer 15
-
€15,583 EUR
View
B+
Retailer 16
-
€15,936 EUR
View
B+
Retailer 17
-
€17,729 EUR
View
B+
Retailer 18
-
€19,065 EUR
View
B+
Retailer 19
-
€22,095 EUR
View
B+
Retailer 20
-
€22,905 EUR
View
B
Retailer 21
-
€25,601 EUR
View
Most Expensive
B
Do Amore Diamonds
27-A763EDBE5 · Nov 6
€37,260 EUR
$41,820 USD
View
21 more retailers have this diamond
Prices start from €5,972 EURSave up to €31,287 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 Round
€5,972 EUR