Radiant|Lab Grown|IGI

6.18ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG626448502

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG626448502

Diamond specifications and retailer prices

From €749 EUR
$840 USD
As of November 2, 2026
Save €4,030 EUR (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,779 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.18ct lab-grown radiant diamond

This 6.18ct lab-grown radiant 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 LG626448502 or 626448502. Listed at 24 retailers as of October 31, 2026, with prices from €749 to €4,779, a €4,030 spread on the same certified stone. Brilliant Earth lists it at €4,779. 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

6.18
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626448502
Dimensions13.39 × 9.04 × 5.95 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.39 mm9.04 mm6.18 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626448502
Side View
Table 61.0%Crown 44°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 65.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €4,779 EUR|Low: €719 EUR|High: €4,779 EUR|Avg: €1,681 EUR
Brilliant Earth
Retailer 2
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Retailer 19
November 2, 2026
Retailer 5€749 EUR
Retailer 9€814 EUR
Retailer 6€837 EUR
Retailer 7€868 EUR
Retailer 10€868 EUR
Retailer 18€935 EUR
Retailer 19€1,025 EUR
Retailer 17€1,244 EUR
Retailer 11€1,308 EUR
Retailer 13€1,317 EUR
Retailer 2€1,334 EUR
Retailer 15€1,609 EUR
Retailer 16€1,680 EUR
Retailer 14€1,775 EUR
Retailer 8€2,441 EUR
Retailer 4€2,717 EUR
Retailer 3€2,750 EUR
Retailer 12€3,254 EUR
Brilliant Earth€4,779 EUR

44 data points across 19 retailers

24 retailers€749 EUR to €4,779 EUR

A
Cheapest Retailer
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€749 EUR
$840 USD
A
Retailer 2
-
€814 EUR
$913 USD
View
A
Retailer 3
-
€837 EUR
$939 USD
View
Final sale: no returns
A
Retailer 4
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€868 EUR
$974 USD
View
Retailer 5
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€868 EUR
$974 USD
View
Price last confirmed 16 days ago
Retailer 6
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€935 EUR
£825 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
€1,025 EUR
$1,150 USD
View
B+
Retailer 8
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€1,244 EUR
$1,395 USD
View
A
Retailer 9
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€1,308 EUR
$1,467 USD
View
A
Retailer 10
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€1,317 EUR
View
A
Retailer 11
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€1,334 EUR
£1,178 GBP
View
A
Retailer 12
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€1,609 EUR
A$2,776 AUD
View
A
Retailer 13
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€1,680 EUR
ZAR 30,441 ZAR
View
A
Retailer 14
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€1,775 EUR
$1,991 USD
View
B+
Retailer 15
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€2,090 EUR
$2,344 USD
View
B+
Retailer 16
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€2,109 EUR
$2,366 USD
View
B+
Retailer 17
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€2,405 EUR
£2,124 GBP
View
B+
Retailer 18
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€2,441 EUR
$2,738 USD
View
B+
Retailer 19
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€2,717 EUR
$3,047 USD
View
B+
Retailer 20
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€2,750 EUR
$3,084 USD
View
B+
Retailer 21
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€3,009 EUR
$3,375 USD
View
B+
Retailer 22
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€3,254 EUR
£2,874 GBP
View
B
Retailer 23
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€4,153 EUR
$4,658 USD
View
Most Expensive
B
Brilliant Earth
9517148A · Oct 31
€4,779 EUR
$5,360 USD
View
23 more retailers have this diamond
Prices start from €749 EURSave up to €4,030 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
6.18ct Radiant
€749 EUR