Radiant|Lab Grown|IGI

6.49ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG678564181

Certificate IGI LG678564181

Diamond specifications and retailer prices

From $4,359 USD
Save $7,453 USD (63%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $20,002 USD at Taylor and Hart
View at Taylor and Hart

About this 6.49ct lab-grown radiant diamond

This 6.49ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG678564181 or 678564181. Listed at 21 retailers, with a 171% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.49
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678564181
Dimensions9.26 × 9.26 × 13.10 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.26 mm9.26 mm6.49 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678564181
Side View
Table 65.0%Crown 43.1°Girdle: MediumPavilion 34.2°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $29,990 USD|Low: $4,596 USD|High: $29,990 USD|Avg: $10,530 USD
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
Retailer 14
Retailer 15
Taylor and Hart
October 1, 2026
Retailer 2$4,776 USD
Retailer 12$5,057 USD
Retailer 10$5,100 USD
Retailer 3$5,517 USD
Retailer 8$5,732 USD
Retailer 7$5,963 USD
Retailer 13$7,209 USD
Retailer 4$7,261 USD
Retailer 5$7,894 USD
Retailer 11$10,601 USD
Retailer 14$10,603 USD
Retailer 15$11,495 USD
Retailer 9$11,812 USD
Retailer 6$17,340 USD
Taylor and Hart$20,002 USD
Retailer 1$29,990 USD

39 data points across 16 retailers

21 retailers$4,359 USD to $11,812 USD

B+
Cheapest Retailer
-
$4,359 USD
B+
Retailer 2
-
$4,569 USD
View
B+
Retailer 3
-
$4,776 USD
View
B+
Retailer 4
-
$4,987 USD
View
B+
Retailer 5
-
$5,057 USD
View
B+
Retailer 6
-
$5,100 USD
View
B+
Retailer 7
-
$5,517 USD
View
B+
Retailer 8
-
$5,732 USD
£4,513 GBP
View
B+
Retailer 9
-
$5,963 USD
View
B
Retailer 10
-
$6,975 USD
View
B+
Retailer 11
-
$7,146 USD
£5,627 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$7,225 USD
£5,689 GBP
View
B+
Retailer 13
-
$7,261 USD
View
B
Retailer 14
-
$7,894 USD
£6,216 GBP
View
B
Retailer 15
-
$10,601 USD
View
B
Retailer 16
-
$10,603 USD
ZAR 171,298 ZAR
View
B
Retailer 17
-
$11,495 USD
£9,051 GBP
View
B
Retailer 18
-
$11,812 USD
A$18,172 AUD
View
B
Retailer 19
-
$17,340 USD
View
Price last confirmed 39 days ago
Most Expensive
B
Taylor and Hart
CU22QP9 · Sep 30
$20,002 USD
View
Price under review
19 more retailers have this diamond
Prices start from $4,359 USDSave up to $7,453 USD

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.

B+
6.49ct Radiant
$4,359 USD