Radiant|Lab Grown|IGI

6.77ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG828643414

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

Certificate IGI LG828643414

Diamond specifications and retailer prices

From $1,028 USD
As of October 25, 2026
Save $3,912 USD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,940 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.77ct lab-grown radiant diamond

This 6.77ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828643414 or 828643414. Listed at 21 retailers as of October 25, 2026, with prices from $1,028 to $4,940, a $3,912 spread on the same certified stone. Brilliant Earth lists it at $4,940. 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

6.77
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828643414
Dimensions13.01 × 9.47 × 6.22 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.01 mm9.47 mm6.77 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828643414
Side View
Table 64.0%Crown 43.4°Girdle: MED-STKPavilion 32.9°Culet: NoneDepth 65.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $4,940 USD|Low: $851 USD|High: $9,620 USD|Avg: $2,735 USD|-48.6%
Brilliant Earth
Retailer 2
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Retailer 15
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Retailer 22
October 31, 2026
Retailer 5$886 USD
Retailer 3$964 USD
Retailer 6$993 USD
Retailer 9$1,028 USD
Retailer 20$1,107 USD
Retailer 11$1,190 USD
Retailer 13$1,205 USD
Retailer 2$1,560 USD
Retailer 22$1,651 USD
Retailer 18$1,904 USD
Retailer 17$1,971 USD
Retailer 21$2,078 USD
Retailer 7$2,274 USD
Retailer 12$2,835 USD
Retailer 8$2,891 USD
Retailer 4$3,226 USD
Retailer 10$3,454 USD
Retailer 14$3,570 USD
Retailer 16$3,860 USD
Retailer 19$4,510 USD
Retailer 15$4,886 USD
Brilliant Earth$4,940 USD

34 data points across 22 retailers

21 retailers$1,028 USD to $4,940 USD

Retailer 1
-
$886 USD
Price last confirmed 9 days ago
Retailer 2
-
$964 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,028 USD
View
Retailer 4
-
$1,107 USD
£871 GBP
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,190 USD
HK$9,300 HKD
View
A
Retailer 6
-
$1,205 USD
View
A
Retailer 7
-
$1,560 USD
€1,486 EUR
View
B+
Retailer 8
-
$1,651 USD
View
Retailer 9
-
$1,904 USD
A$2,929 AUD
View
Price last confirmed 11 days ago
Retailer 10
-
$1,971 USD
ZAR 31,840 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$2,078 USD
View
B+
Retailer 12
-
$2,274 USD
View
B+
Retailer 13
-
$2,835 USD
£2,232 GBP
View
Retailer 14
-
$2,891 USD
View
Price last confirmed 7 days ago
Retailer 15
-
$3,226 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$3,454 USD
SGD 4,668 SGD
View
B
Retailer 17
-
$3,570 USD
View
Retailer 18
-
$3,860 USD
£3,039 GBP
View
Price last confirmed 7 days ago
B
Retailer 19
-
$4,510 USD
View
B
Retailer 20
-
$4,927 USD
View
Most Expensive
B
Brilliant Earth
21498054A · Oct 31
$4,940 USD
View
20 more retailers have this diamond
Prices start from $1,028 USDSave up to $3,912 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.77ct Radiant
$1,028 USD