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Round|Lab Grown|IGI

2.78ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG781627581

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781627581

Diamond specifications and retailer prices

From $326 USD
As of October 26, 2026
Save $1,994 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,320 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.78ct lab-grown round diamond

This 2.78ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781627581 or 781627581. Listed at 20 retailers as of October 26, 2026, with prices from $326 to $2,320, a $1,994 spread on the same certified stone. Brilliant Earth lists it at $2,320. 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

2.78
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781627581
Dimensions9.14 × 9.21 × 5.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.14 mm9.21 mm2.78 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781627581
Side View
Table 62.0%Crown 31.9°Girdle: MediumPavilion 41.3°Culet: NoneDepth 59.2%

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 26
Current: $2,320 USD|Low: $313 USD|High: $2,320 USD|Avg: $965 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 19
October 29, 2026
Retailer 19$326 USD
Retailer 8$364 USD
Retailer 17$378 USD
Retailer 18$404 USD
Retailer 4$588 USD
Retailer 14$610 USD
Retailer 12$623 USD
Retailer 6$655 USD
Retailer 11$712 USD
Retailer 15$716 USD
Retailer 9$977 USD
Retailer 5$1,006 USD
Retailer 13$1,279 USD
Retailer 3$1,299 USD
Retailer 7$1,527 USD
Retailer 16$1,622 USD
Retailer 2$1,686 USD
Retailer 10$1,845 USD
Brilliant Earth$2,320 USD

42 data points across 19 retailers

20 retailers$326 USD to $2,320 USD

A
Cheapest Retailer
-
$326 USD
A
Retailer 2
-
$364 USD
View
Final sale: no returns
A
Retailer 3
-
$378 USD
View
A
Retailer 4
-
$404 USD
View
A
Retailer 5
-
$448 USD
HK$3,500 HKD
View
A
Retailer 6
-
$588 USD
£463 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$610 USD
View
A
Retailer 8
-
$623 USD
€593 EUR
View
B+
Retailer 9
-
$655 USD
View
A
Retailer 10
-
$712 USD
View
A
Retailer 11
-
$716 USD
£564 GBP
View
B+
Retailer 12
-
$977 USD
View
B+
Retailer 13
-
$1,006 USD
View
B+
Retailer 14
-
$1,279 USD
SGD 1,729 SGD
View
B+
Retailer 15
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$1,299 USD
View
B
Retailer 16
-
$1,527 USD
View
B+
Retailer 17
-
$1,622 USD
£1,277 GBP
View
B
Retailer 18
-
$1,686 USD
View
B
Retailer 19
-
$1,845 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
17981216A · Oct 28
$2,320 USD
View
19 more retailers have this diamond
Prices start from $326 USDSave up to $1,994 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
2.78ct Round
$326 USD