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Radiant|Lab Grown|IGI

2.78ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG724573630

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG724573630

Diamond specifications and retailer prices

From $1,130 SGD
$884 USD
As of October 30, 2026
Save $8,905 SGD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,035 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 2.78ct lab-grown radiant diamond

This 2.78ct lab-grown radiant 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 LG724573630 or 724573630. Listed at 23 retailers as of October 29, 2026, with prices from $1,130 to $10,035, a $8,905 spread on the same certified stone. Do Amore Diamonds lists it at $10,035. 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 angle40.4°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724573630
Dimensions9.91 × 7.10 × 4.72 mm
L/W Ratio1.40
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
9.91 mm7.10 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724573630
Side View
Table 62.0%Crown 40.4°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 66.5%

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 30
Current: $10,035 SGD|Low: $1,130 SGD|High: $11,416 SGD|Avg: $3,380 SGD|-12.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 16
Retailer 17
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Retailer 22
October 30, 2026
Retailer 3$1,130 SGD
Retailer 22$1,229 SGD
Retailer 12$1,263 SGD
Retailer 6$1,310 SGD
Retailer 21$1,477 SGD
Retailer 13$1,597 SGD
Retailer 9$1,744 SGD
Retailer 4$2,104 SGD
Retailer 16$2,231 SGD
Retailer 7$2,710 SGD
Retailer 20$2,784 SGD
Retailer 10$2,979 SGD
Retailer 19$3,430 SGD
Retailer 17$3,731 SGD
Retailer 8$3,994 SGD
Retailer 5$4,099 SGD
Retailer 18$4,911 SGD
Retailer 14$5,115 SGD
Retailer 11$5,150 SGD
Retailer 15$5,631 SGD
Retailer 2$9,153 SGD
Do Amore Diamonds$10,035 SGD

31 data points across 22 retailers

23 retailers$1,130 SGD to $10,035 SGD

A
Cheapest Retailer
-
$1,130 SGD
$884 USD
A
Retailer 2
-
$1,229 SGD
$961 USD
View
A
Retailer 3
-
$1,263 SGD
$988 USD
View
Final sale: no returns
A
Retailer 4
-
$1,310 SGD
$1,025 USD
View
A
Retailer 5
-
$1,477 SGD
$1,155 USD
View
A
Retailer 6
-
$1,597 SGD
£983 GBP
View
A
Retailer 7
-
$1,744 SGD
$1,364 USD
View
A
Retailer 8
-
$2,104 SGD
$1,646 USD
View
A
Retailer 9
-
$2,231 SGD
£1,374 GBP
View
A
Retailer 10
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$2,710 SGD
$2,120 USD
View
A
Retailer 11
-
$2,784 SGD
$2,178 USD
View
A
Retailer 12
-
$2,979 SGD
$2,330 USD
View
Retailer 13
-
$3,118 SGD
$2,439 USD
View
Price last confirmed 30 days ago
Retailer 14
-
$3,430 SGD
A$4,128 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
-
$3,731 SGD
ZAR 47,151 ZAR
View
B+
Retailer 16
-
$3,994 SGD
£2,460 GBP
View
B+
Retailer 17
-
$4,099 SGD
$3,206 USD
View
B+
Retailer 18
-
$4,911 SGD
£3,025 GBP
View
B+
Retailer 19
-
$5,115 SGD
View
B+
Retailer 20
-
$5,150 SGD
$4,028 USD
View
Retailer 21
-
$5,631 SGD
A$6,776 AUD
View
Price last confirmed 25 days ago
B
Retailer 22
-
$9,153 SGD
$7,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-768322126 · Oct 29
$10,035 SGD
$7,850 USD
View
22 more retailers have this diamond
Prices start from $1,130 SGDSave up to $8,905 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 Radiant
$1,130 SGD