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Radiant|Lab Grown|IGI

3.15ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG628447916

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

Certificate IGI LG628447916

Diamond specifications and retailer prices

From $1,470 SGD
$1,147 USD
As of October 27, 2026
Save $11,578 SGD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,048 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.15ct lab-grown radiant diamond

This 3.15ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628447916 or 628447916. Listed at 17 retailers as of October 27, 2026, with prices from $1,470 to $13,048, a $11,578 spread on the same certified stone. Do Amore Diamonds lists it at $13,048. 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

3.15
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628447916
Dimensions10.40 × 10.40 × 7.13 mm
L/W Ratio1.00
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
10.40 mm10.40 mm3.15 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628447916
Side View
Table 63.0%Crown 46.9°Girdle: Slightly ThickPavilion 32.6°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $13,048 SGD|Low: $1,436 SGD|High: $13,560 SGD|Avg: $4,755 SGD|-3.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 13$1,470 SGD
Retailer 17$1,600 SGD
Retailer 9$1,776 SGD
Retailer 2$1,871 SGD
Retailer 15$1,920 SGD
Retailer 14$2,711 SGD
Retailer 5$3,056 SGD
Retailer 8$3,122 SGD
Retailer 16$3,361 SGD
Retailer 12$3,417 SGD
Retailer 3$4,332 SGD
Retailer 11$4,662 SGD
Retailer 10$5,888 SGD
Retailer 4$6,902 SGD
Retailer 6$8,999 SGD
Retailer 7$10,497 SGD
Do Amore Diamonds$13,048 SGD

32 data points across 17 retailers

17 retailers$1,470 SGD to $13,048 SGD

A
Cheapest Retailer
-
$1,470 SGD
$1,147 USD
A
Retailer 2
-
$1,600 SGD
$1,248 USD
View
A
Retailer 3
-
$1,776 SGD
$1,386 USD
View
Final sale: no returns
A
Retailer 4
-
$1,871 SGD
$1,460 USD
View
A
Retailer 5
-
$1,920 SGD
$1,498 USD
View
A
Retailer 6
-
$2,711 SGD
$2,115 USD
View
A
Retailer 7
-
$3,056 SGD
€2,271 EUR
View
A
Retailer 8
-
$3,122 SGD
$2,436 USD
View
A
Retailer 9
-
$3,361 SGD
$2,622 USD
View
A
Retailer 10
-
$3,417 SGD
$2,666 USD
View
Retailer 11
-
$4,332 SGD
A$5,200 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$4,662 SGD
$3,637 USD
View
B+
Retailer 13
-
$5,888 SGD
£3,617 GBP
View
Retailer 14
-
$6,902 SGD
$5,385 USD
View
Price last confirmed 11 days ago
Retailer 15
-
$8,999 SGD
A$10,802 AUD
View
Price last confirmed 21 days ago
B
Retailer 16
-
$10,497 SGD
$8,190 USD
View
Most Expensive
B
Do Amore Diamonds
27-B5D3A5C08 · Oct 29
$13,048 SGD
$10,180 USD
View
16 more retailers have this diamond
Prices start from $1,470 SGDSave up to $11,578 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
3.15ct Radiant
$1,470 SGD