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Round|Lab Grown|IGI

5.55ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG627403957

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627403957

Diamond specifications and retailer prices

From €4,239 EUR
$4,736 USD
As of October 29, 2026
Save €13,367 EUR (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €17,606 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.55ct lab-grown round diamond

This 5.55ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627403957 or 627403957. Listed at 22 retailers as of October 29, 2026, with prices from €4,239 to €17,606, a €13,367 spread on the same certified stone. Taylor and Hart lists it at €17,606. 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

5.55
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627403957
Dimensions11.40 × 11.42 × 6.89 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
11.40 mm11.42 mm5.55 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627403957
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €6,369 EUR|Low: €4,069 EUR|High: €12,404 EUR|Avg: €7,897 EUR|+0.8%
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
November 1, 2026
Retailer 2€4,239 EUR
Retailer 5€4,917 EUR
Retailer 10€4,919 EUR
Retailer 7€5,164 EUR
Retailer 13€6,280 EUR
Retailer 1€6,369 EUR
Retailer 3€7,602 EUR
Retailer 6€8,017 EUR
Retailer 8€9,989 EUR
Retailer 11€10,210 EUR
Retailer 9€10,235 EUR
Retailer 12€10,329 EUR
Retailer 4€12,404 EUR

36 data points across 13 retailers

22 retailers€4,239 EUR to €17,606 EUR

A
Cheapest Retailer
-
€4,239 EUR
$4,736 USD
A
Retailer 2
-
€4,442 EUR
$4,963 USD
View
A
Retailer 3
-
€4,727 EUR
$5,281 USD
View
A
Retailer 4
-
€4,748 EUR
$5,304 USD
View
Final sale: no returns
A
Retailer 5
-
€4,917 EUR
$5,493 USD
View
Retailer 6
-
€4,917 EUR
$5,493 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
€4,919 EUR
$5,495 USD
View
A
Retailer 8
-
€5,164 EUR
£4,543 GBP
View
A
Retailer 9
-
€6,144 EUR
$6,864 USD
View
A
Retailer 10
-
€6,280 EUR
$7,016 USD
View
A
Retailer 11
-
€6,369 EUR
£5,603 GBP
View
Retailer 12
-
€7,602 EUR
$8,493 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
€8,017 EUR
View
B+
Retailer 14
-
€8,659 EUR
$9,674 USD
View
B+
Retailer 15
-
€9,989 EUR
ZAR 180,290 ZAR
View
Retailer 16
-
€10,210 EUR
A$17,548 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
€10,235 EUR
£9,004 GBP
View
B+
Retailer 18
-
€10,329 EUR
$11,540 USD
View
B
Retailer 19
-
€11,754 EUR
$13,132 USD
View
B
Retailer 20
-
€12,404 EUR
$13,858 USD
View
B
Retailer 21
-
€14,414 EUR
$16,104 USD
View
Most Expensive
B
Taylor and Hart
AQM9C9Z · Oct 31
€17,606 EUR
$19,670 USD
View
21 more retailers have this diamond
Prices start from €4,239 EURSave up to €13,367 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
5.55ct Round
€4,239 EUR