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Radiant|Lab Grown|IGI

6.51ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG837634863

Certificate IGI LG837634863

Diamond specifications and retailer prices

From $3,044 USD
Save $9,254 USD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,298 USD at Taylor and Hart
View at Taylor and Hart

About this 6.51ct lab-grown radiant diamond

This 6.51ct 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 LG837634863 or 837634863. Listed at 21 retailers, with prices from $3,044 to $12,298 at Taylor and Hart, a $9,254 spread on the same certified stone. 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

6.51
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837634863
Dimensions13.13 × 9.05 × 6.13 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.13 mm9.05 mm6.51 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837634863
Side View
Table 64.0%Crown 41.6°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 67.7%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $4,877 USD|Low: $3,409 USD|High: $12,298 USD|Avg: $6,518 USD|+2.0%
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
Retailer 16
Retailer 17
Retailer 18
Taylor and Hart
September 29, 2026
Retailer 8$3,409 USD
Retailer 18$3,483 USD
Retailer 16$3,531 USD
Retailer 4$3,603 USD
Retailer 9$3,690 USD
Retailer 3$3,715 USD
Retailer 11$4,731 USD
Retailer 1$4,877 USD
Retailer 17$5,490 USD
Retailer 10$6,096 USD
Retailer 14$6,550 USD
Retailer 12$6,708 USD
Retailer 2$7,060 USD
Retailer 7$7,392 USD
Retailer 5$8,851 USD
Retailer 13$9,059 USD
Retailer 15$9,098 USD
Retailer 6$9,792 USD
Taylor and Hart$12,298 USD

12 data points across 19 retailers

21 retailers$3,044 USD to $12,298 USD

B+
Cheapest Retailer
-
$3,044 USD
B+
Retailer 2
-
$3,312 USD
View
B+
Retailer 3
-
$3,409 USD
View
B+
Retailer 4
-
$3,483 USD
View
B+
Retailer 5
-
$3,531 USD
View
B+
Retailer 6
-
$3,603 USD
£2,837 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,690 USD
View
B+
Retailer 8
-
$3,715 USD
View
B
Retailer 9
-
$4,731 USD
View
B+
Retailer 10
-
$4,888 USD
£3,849 GBP
View
B
Retailer 11
-
$5,490 USD
€5,229 EUR
View
B
Retailer 12
-
$6,096 USD
£4,800 GBP
View
B
Retailer 13
-
$6,550 USD
A$10,077 AUD
View
B
Retailer 14
-
$6,708 USD
ZAR 108,367 ZAR
View
B
Retailer 15
-
$7,060 USD
View
B
Retailer 16
-
$7,392 USD
View
B
Retailer 17
-
$8,851 USD
View
B
Retailer 18
-
$9,059 USD
£7,133 GBP
View
B
Retailer 19
-
$9,098 USD
View
B
Retailer 20
-
$9,792 USD
View
Most Expensive
C
Taylor and Hart
TCQE9LM · Oct 1
$12,298 USD
View
20 more retailers have this diamond
Prices start from $3,044 USDSave up to $9,254 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+
6.51ct Radiant
$3,044 USD