Round|Lab Grown|IGI

5.51ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG756512200

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756512200

Diamond specifications and retailer prices

From €643 EUR
$718 USD
As of November 1, 2026
Save €4,898 EUR (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €5,541 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG756512200 or 756512200. Listed at 23 retailers as of October 31, 2026, with prices from €643 to €5,541, a €4,898 spread on the same certified stone. Brilliant Earth lists it at €5,541. 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
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756512200
Dimensions11.48 × 11.56 × 6.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.48 mm11.56 mm5.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756512200
Side View
Table 62.0%Crown 32.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 57.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €5,541 EUR|Low: €618 EUR|High: €6,310 EUR|Avg: €1,674 EUR|-3.0%
Brilliant Earth
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
November 1, 2026
Retailer 3€643 EUR
Retailer 6€699 EUR
Retailer 8€720 EUR
Retailer 4€746 EUR
Retailer 13€904 EUR
Retailer 16€1,067 EUR
Retailer 14€1,111 EUR
Retailer 9€1,182 EUR
Retailer 11€1,309 EUR
Retailer 10€1,512 EUR
Retailer 12€1,515 EUR
Retailer 15€1,837 EUR
Retailer 7€2,097 EUR
Retailer 5€2,544 EUR
Retailer 2€2,928 EUR
Brilliant Earth€5,541 EUR

44 data points across 16 retailers

23 retailers€643 EUR to €5,541 EUR

A
Cheapest Retailer
-
€643 EUR
$718 USD
A
Retailer 2
-
€699 EUR
$781 USD
View
A
Retailer 3
-
€720 EUR
$804 USD
View
Final sale: no returns
Retailer 4
-
€746 EUR
$833 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€746 EUR
$833 USD
View
A
Retailer 6
-
€904 EUR
$1,010 USD
View
B+
Retailer 7
-
€1,067 EUR
$1,192 USD
View
A
Retailer 8
-
€1,111 EUR
HK$9,700 HKD
View
A
Retailer 9
-
€1,182 EUR
£1,040 GBP
View
A
Retailer 10
-
€1,309 EUR
View
B+
Retailer 11
-
€1,512 EUR
A$2,598 AUD
View
B+
Retailer 12
-
€1,515 EUR
ZAR 27,347 ZAR
View
B+
Retailer 13
-
€1,574 EUR
$1,759 USD
View
B+
Retailer 14
-
€1,837 EUR
$2,052 USD
View
B+
Retailer 15
-
€1,894 EUR
$2,116 USD
View
B+
Retailer 16
-
€2,097 EUR
$2,343 USD
View
B
Retailer 17
-
€2,430 EUR
$2,715 USD
View
B
Retailer 18
-
€2,544 EUR
$2,842 USD
View
B
Retailer 19
-
€2,571 EUR
$2,872 USD
View
B
Retailer 20
-
€2,928 EUR
£2,576 GBP
View
B
Retailer 21
-
€3,008 EUR
$3,360 USD
View
B
Retailer 22
-
€3,602 EUR
CA$5,589 CAD
View
Most Expensive
B
Brilliant Earth
17139157A · Oct 31
€5,541 EUR
$6,190 USD
View
22 more retailers have this diamond
Prices start from €643 EURSave up to €4,898 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
€643 EUR