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Round|Lab Grown|IGI

7.78ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG792666601

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792666601

Diamond specifications and retailer prices

From $1,190 USD
As of October 26, 2026
Save $5,650 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,840 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 7.78ct lab-grown round diamond

This 7.78ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG792666601 or 792666601. Listed at 22 retailers as of October 26, 2026, with prices from $1,190 to $6,840, a $5,650 spread on the same certified stone. Brilliant Earth lists it at $6,840. 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

7.78
Carat
H
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792666601
Dimensions12.78 × 12.84 × 7.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.78 mm12.84 mm7.78 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792666601
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
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 26
Current: $6,840 USD|Low: $1,190 USD|High: $6,850 USD|Avg: $3,176 USD|-0.1%
Brilliant Earth
Retailer 2
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October 29, 2026
Retailer 10$1,190 USD
Retailer 6$1,295 USD
Retailer 11$1,333 USD
Retailer 22$1,381 USD
Retailer 13$1,587 USD
Retailer 19$1,607 USD
Retailer 7$1,820 USD
Retailer 2$2,085 USD
Retailer 18$2,160 USD
Retailer 8$2,191 USD
Retailer 5$2,471 USD
Retailer 20$2,475 USD
Retailer 14$2,582 USD
Retailer 4$2,588 USD
Retailer 9$4,152 USD
Retailer 21$4,442 USD
Retailer 17$4,577 USD
Retailer 12$4,838 USD
Retailer 3$4,927 USD
Retailer 15$5,725 USD
Retailer 16$6,606 USD
Brilliant Earth$6,840 USD

27 data points across 22 retailers

22 retailers$1,190 USD to $6,840 USD

A
Cheapest Retailer
-
$1,190 USD
A
Retailer 2
-
$1,295 USD
View
A
Retailer 3
-
$1,333 USD
View
Final sale: no returns
A
Retailer 4
-
$1,381 USD
View
A
Retailer 5
-
$1,587 USD
HK$12,400 HKD
View
A
Retailer 6
-
$1,607 USD
£1,265 GBP
View
A
Retailer 7
-
$1,820 USD
View
A
Retailer 8
-
$2,085 USD
€1,986 EUR
View
B+
Retailer 9
-
$2,160 USD
View
B+
Retailer 10
-
$2,191 USD
View
A
Retailer 11
-
$2,471 USD
ZAR 39,917 ZAR
View
A
Retailer 12
-
$2,475 USD
View
Retailer 13
-
$2,582 USD
A$3,972 AUD
View
Price last confirmed 8 days ago
A
Retailer 14
-
$2,588 USD
View
B+
Retailer 15
-
$4,152 USD
View
B+
Retailer 16
-
$4,442 USD
£3,498 GBP
View
B+
Retailer 17
-
$4,577 USD
SGD 6,185 SGD
View
B+
Retailer 18
-
$4,838 USD
View
B+
Retailer 19
-
$4,927 USD
View
B+
Retailer 20
-
$5,725 USD
View
B+
Retailer 21
-
$6,606 USD
View
Most Expensive
B
Brilliant Earth
19936714A · Oct 29
$6,840 USD
View
21 more retailers have this diamond
Prices start from $1,190 USDSave up to $5,650 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
7.78ct Round
$1,190 USD