Round|Lab Grown|IGI

5.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG608398090

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608398090

Diamond specifications and retailer prices

From €673 EUR
$752 USD
As of October 29, 2026
Save €5,234 EUR (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €5,908 EUR at Brilliant Earth · As of October 30, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG608398090 or 608398090. Listed at 18 retailers as of October 29, 2026, with prices from €673 to €5,908, a €5,234 spread on the same certified stone. Brilliant Earth lists it at €5,908. 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
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608398090
Dimensions11.36 × 11.33 × 6.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.36 mm11.33 mm5.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608398090
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.5%

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: €5,908 EUR|Low: €643 EUR|High: €5,925 EUR|Avg: €1,828 EUR|-0.3%
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 5€673 EUR
Retailer 14€732 EUR
Retailer 3€781 EUR
Retailer 17€781 EUR
Retailer 18€1,027 EUR
Retailer 6€1,203 EUR
Retailer 11€1,239 EUR
Retailer 2€1,249 EUR
Retailer 8€1,263 EUR
Retailer 12€1,279 EUR
Retailer 7€1,770 EUR
Retailer 15€1,856 EUR
Retailer 4€2,194 EUR
Retailer 9€2,638 EUR
Retailer 10€2,692 EUR
Retailer 13€3,081 EUR
Retailer 16€3,272 EUR
Brilliant Earth€5,908 EUR

42 data points across 18 retailers

18 retailers€673 EUR to €5,908 EUR

A
Cheapest Retailer
-
€673 EUR
$752 USD
A
Retailer 2
-
€732 EUR
$818 USD
View
Retailer 3
-
€781 EUR
$872 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
€781 EUR
$872 USD
View
Retailer 5
-
€1,027 EUR
£903 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
€1,203 EUR
$1,344 USD
View
A
Retailer 7
-
€1,239 EUR
£1,090 GBP
View
B+
Retailer 8
-
€1,249 EUR
$1,395 USD
View
B+
Retailer 9
-
€1,263 EUR
$1,411 USD
View
A
Retailer 10
-
€1,279 EUR
View
B+
Retailer 11
-
€1,770 EUR
$1,977 USD
View
B+
Retailer 12
-
€1,856 EUR
$2,073 USD
View
B+
Retailer 13
-
€2,194 EUR
$2,451 USD
View
B
Retailer 14
-
€2,638 EUR
$2,947 USD
View
Retailer 15
-
€2,692 EUR
$3,008 USD
View
Price last confirmed 12 days ago
Retailer 16
-
€3,081 EUR
£2,710 GBP
View
Price last confirmed 10 days ago
Retailer 17
-
€3,272 EUR
$3,655 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
8717327A · Oct 30
€5,908 EUR
$6,600 USD
View
17 more retailers have this diamond
Prices start from €673 EURSave up to €5,234 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
€673 EUR