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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 HK$2,558 HKD
$326 USD
As of October 26, 2026
Save HK$15,644 HKD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$18,202 HKD at Brilliant Earth · As of October 29, 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 19 retailers as of October 26, 2026, with prices from HK$2,558 to HK$18,202, a HK$15,644 spread on the same certified stone. Brilliant Earth lists it at HK$18,202. 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
Colour
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: HK$18,202 HKD|Low: HK$2,456 HKD|High: HK$18,202 HKD|Avg: HK$7,583 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 19HK$2,558 HKD
Retailer 8HK$2,856 HKD
Retailer 17HK$2,966 HKD
Retailer 18HK$3,170 HKD
Retailer 4HK$4,613 HKD
Retailer 14HK$4,786 HKD
Retailer 13HK$4,885 HKD
Retailer 6HK$5,139 HKD
Retailer 11HK$5,586 HKD
Retailer 15HK$5,620 HKD
Retailer 9HK$7,665 HKD
Retailer 5HK$7,893 HKD
Retailer 2HK$10,125 HKD
Retailer 3HK$10,192 HKD
Retailer 7HK$11,980 HKD
Retailer 16HK$12,724 HKD
Retailer 12HK$13,416 HKD
Retailer 10HK$14,475 HKD
Brilliant EarthHK$18,202 HKD

41 data points across 19 retailers

19 retailersHK$2,558 HKD to HK$18,202 HKD

A
Cheapest Retailer
-
HK$2,558 HKD
$326 USD
A
Retailer 2
-
HK$2,966 HKD
$378 USD
View
A
Retailer 3
-
HK$3,170 HKD
$404 USD
View
A
Retailer 4
-
HK$3,515 HKD
View
Retailer 5
-
HK$4,613 HKD
£463 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
HK$4,786 HKD
$610 USD
View
A
Retailer 7
-
HK$4,885 HKD
€593 EUR
View
B+
Retailer 8
-
HK$5,139 HKD
$655 USD
View
A
Retailer 9
-
HK$5,586 HKD
$712 USD
View
A
Retailer 10
-
HK$5,620 HKD
£564 GBP
View
B+
Retailer 11
-
HK$7,665 HKD
$977 USD
View
B+
Retailer 12
-
HK$7,893 HKD
$1,006 USD
View
B+
Retailer 13
-
HK$10,125 HKD
SGD 1,744 SGD
View
B+
Retailer 14
-
HK$10,192 HKD
$1,299 USD
View
B
Retailer 15
-
HK$11,980 HKD
$1,527 USD
View
B+
Retailer 16
-
HK$12,724 HKD
£1,277 GBP
View
B
Retailer 17
-
HK$13,416 HKD
$1,710 USD
View
Retailer 18
-
HK$14,475 HKD
$1,845 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Brilliant Earth
17981216A · Oct 29
HK$18,202 HKD
$2,320 USD
View
18 more retailers have this diamond
Prices start from HK$2,558 HKDSave up to HK$15,644 HKD

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
HK$2,558 HKD