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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 €6,000 EUR
$6,703 USD
As of October 29, 2026
Save €31,433 EUR (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €37,433 EUR at Do Amore Diamonds · As of October 31, 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 October 29, 2026, with prices from €6,000 to €37,433, a €31,433 spread on the same certified stone. Do Amore Diamonds lists it at €37,433. 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
Color
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: Oct 29
Current: €6,932 EUR|Low: €5,760 EUR|High: €59,811 EUR|Avg: €14,243 EUR|-15.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 16€6,000 EUR
Retailer 7€6,240 EUR
Retailer 6€6,319 EUR
Retailer 9€6,719 EUR
Retailer 1€6,932 EUR
Retailer 2€6,959 EUR
Retailer 3€8,067 EUR
Retailer 15€8,135 EUR
Retailer 8€8,639 EUR
Retailer 11€9,416 EUR
Retailer 17€11,985 EUR
Retailer 13€15,163 EUR
Retailer 12€15,607 EUR
Retailer 14€16,036 EUR
Retailer 18€17,811 EUR
Retailer 4€22,198 EUR
Retailer 10€23,012 EUR
Retailer 5€59,811 EUR

43 data points across 18 retailers

23 retailers€6,000 EUR to €37,433 EUR

A
Cheapest Retailer
-
€6,000 EUR
$6,703 USD
A
Retailer 2
-
€6,240 EUR
$6,971 USD
View
A
Retailer 3
-
€6,319 EUR
$7,060 USD
View
A
Retailer 4
-
€6,719 EUR
$7,507 USD
View
Final sale: no returns
A
Retailer 5
-
€6,932 EUR
$7,745 USD
View
A
Retailer 6
-
€6,959 EUR
$7,775 USD
View
Retailer 7
-
€6,959 EUR
$7,775 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
€8,067 EUR
$9,012 USD
View
A
Retailer 9
-
€8,135 EUR
$9,088 USD
View
A
Retailer 10
-
€8,172 EUR
$9,130 USD
View
A
Retailer 11
-
€8,639 EUR
$9,652 USD
View
A
Retailer 12
-
€9,416 EUR
£8,283 GBP
View
A
Retailer 13
-
€11,985 EUR
$13,390 USD
View
B+
Retailer 14
-
€15,163 EUR
£13,339 GBP
View
B+
Retailer 15
-
€15,607 EUR
ZAR 281,690 ZAR
View
Retailer 16
-
€16,036 EUR
A$27,563 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
€17,811 EUR
$19,899 USD
View
B+
Retailer 18
-
€19,154 EUR
$21,399 USD
View
B+
Retailer 19
-
€22,198 EUR
$24,799 USD
View
B+
Retailer 20
-
€23,012 EUR
$25,710 USD
View
B
Retailer 21
-
€25,721 EUR
$28,736 USD
View
Most Expensive
B
Do Amore Diamonds
27-A763EDBE5 · Oct 31
€37,433 EUR
$41,820 USD
View
21 more retailers have this diamond
Prices start from €6,000 EURSave up to €31,433 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
€6,000 EUR