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Round|Lab Grown|IGI

2.78ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG762545352

Shape and cutting style on the report: Round brilliant

Certificate IGI LG762545352

Diamond specifications and retailer prices

From $1,484 SGD
$1,161 USD
As of November 1, 2026
Save $7,912 SGD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,396 SGD at Brilliant Earth · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545352 or 762545352. Listed at 17 retailers as of October 31, 2026, with prices from $1,484 to $9,396, a $7,912 spread on the same certified stone. Brilliant Earth lists it at $9,396. 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545352
Dimensions9.10 × 9.14 × 5.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.10 mm9.14 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545352
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.0%

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: Nov 1
Current: $9,396 SGD|Low: $1,484 SGD|High: $11,774 SGD|Avg: $4,115 SGD|-20.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 4$1,484 SGD
Retailer 12$1,860 SGD
Retailer 2$1,887 SGD
Retailer 9$1,918 SGD
Retailer 7$1,971 SGD
Retailer 5$2,313 SGD
Retailer 6$3,159 SGD
Retailer 8$3,180 SGD
Retailer 14$3,775 SGD
Retailer 10$4,645 SGD
Retailer 11$5,219 SGD
Retailer 13$6,660 SGD
Retailer 3$9,065 SGD
Brilliant Earth$9,396 SGD

42 data points across 14 retailers

17 retailers$1,484 SGD to $9,396 SGD

A
Cheapest Retailer
-
$1,484 SGD
$1,161 USD
A
Retailer 2
-
$1,604 SGD
HK$9,800 HKD
View
A
Retailer 3
-
$1,860 SGD
$1,455 USD
View
Retailer 4
-
$1,870 SGD
£1,152 GBP
View
Price last confirmed 17 days ago
A
Retailer 5
-
$1,887 SGD
£1,162 GBP
View
A
Retailer 6
-
$1,918 SGD
A$2,308 AUD
View
A
Retailer 7
-
$1,971 SGD
€1,468 EUR
View
A
Retailer 8
-
$2,313 SGD
$1,809 USD
View
B+
Retailer 9
-
$3,159 SGD
$2,471 USD
View
B+
Retailer 10
-
$3,180 SGD
ZAR 40,182 ZAR
View
B+
Retailer 11
-
$3,775 SGD
$2,953 USD
View
B+
Retailer 12
-
$4,400 SGD
$3,442 USD
View
B+
Retailer 13
-
$4,645 SGD
£2,861 GBP
View
Retailer 14
-
$5,219 SGD
A$6,281 AUD
View
Price last confirmed 23 days ago
Retailer 15
-
$6,660 SGD
$5,210 USD
View
Price last confirmed 17 days ago
B
Retailer 16
-
$9,065 SGD
$7,091 USD
View
Most Expensive
B
Brilliant Earth
19080341Y · Oct 31
$9,396 SGD
$7,350 USD
View
16 more retailers have this diamond
Prices start from $1,484 SGDSave up to $7,912 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
$1,484 SGD