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Round|Lab Grown|GIA

2.78ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 7482198575

Shape and cutting style on the report: Round brilliant

Certificate GIA 7482198575

Diamond specifications and retailer prices

From HK$4,794 HKD
$611 USD
As of October 29, 2026
Save HK$21,192 HKD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$42,524 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.78ct lab-grown round diamond

This 2.78ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7482198575. Listed at 10 retailers as of October 29, 2026, with a 442% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.78
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabGIA
CertificateGIA 7482198575
Dimensions9.06 × 9.13 × 5.52 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Feather
Top View
9.06 mm9.13 mm2.78 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7482198575
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$42,524 HKD|Low: HK$3,978 HKD|High: HK$43,622 HKD|Avg: HK$13,878 HKD|-2.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 10HK$4,794 HKD
Retailer 8HK$5,366 HKD
Retailer 13HK$5,366 HKD
Retailer 12HK$9,117 HKD
Retailer 7HK$9,140 HKD
Retailer 2HK$9,886 HKD
Retailer 3HK$10,317 HKD
Retailer 5HK$10,792 HKD
Retailer 4HK$11,269 HKD
Retailer 9HK$14,742 HKD
Retailer 11HK$17,253 HKD
Retailer 6HK$25,986 HKD
Do Amore DiamondsHK$42,524 HKD

39 data points across 13 retailers

10 retailersHK$4,794 HKD to HK$25,986 HKD

A
Cheapest Retailer
-
HK$4,794 HKD
$611 USD
A
Retailer 2
-
HK$5,366 HKD
$684 USD
View
Final sale: no returns
A
Retailer 3
-
HK$5,366 HKD
$684 USD
View
B+
Retailer 4
-
HK$9,117 HKD
$1,162 USD
View
B+
Retailer 5
-
HK$9,140 HKD
$1,165 USD
View
B+
Retailer 6
-
HK$9,886 HKD
£992 GBP
View
B
Retailer 7
-
HK$14,742 HKD
$1,879 USD
View
B
Retailer 8
-
HK$17,253 HKD
$2,199 USD
View
B
Retailer 9
-
HK$25,986 HKD
£2,608 GBP
View
Most Expensive
Do Amore Diamonds
27-89B6BE83A · Oct 31
HK$42,524 HKD
$5,420 USD
View
Price under review
9 more retailers have this diamond
Prices start from HK$4,794 HKDSave up to HK$21,192 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$4,794 HKD