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 $783 SGD
$611 USD
As of October 29, 2026
Save $3,462 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,947 SGD at Do Amore Diamonds · As of October 29, 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

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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 29
Current: $6,947 SGD|Low: $650 SGD|High: $7,126 SGD|Avg: $2,267 SGD|-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 10$783 SGD
Retailer 8$877 SGD
Retailer 13$877 SGD
Retailer 12$1,489 SGD
Retailer 7$1,493 SGD
Retailer 2$1,615 SGD
Retailer 3$1,685 SGD
Retailer 5$1,763 SGD
Retailer 4$1,841 SGD
Retailer 9$2,408 SGD
Retailer 11$2,818 SGD
Retailer 6$4,245 SGD
Do Amore Diamonds$6,947 SGD

39 data points across 13 retailers

10 retailers$783 SGD to $4,245 SGD

A
Cheapest Retailer
-
$783 SGD
$611 USD
A
Retailer 2
-
$877 SGD
$684 USD
View
Final sale: no returns
A
Retailer 3
-
$877 SGD
$684 USD
View
B+
Retailer 4
-
$1,489 SGD
$1,162 USD
View
B+
Retailer 5
-
$1,493 SGD
$1,165 USD
View
B+
Retailer 6
-
$1,615 SGD
£992 GBP
View
B
Retailer 7
-
$2,408 SGD
$1,879 USD
View
B
Retailer 8
-
$2,818 SGD
$2,199 USD
View
B
Retailer 9
-
$4,245 SGD
£2,608 GBP
View
Most Expensive
Do Amore Diamonds
27-89B6BE83A · Oct 29
$6,947 SGD
$5,420 USD
View
Price under review
9 more retailers have this diamond
Prices start from $783 SGDSave up to $3,462 SGD

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
$783 SGD