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Radiant|Lab Grown|IGI

3.14ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG673428940

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

Certificate IGI LG673428940

Diamond specifications and retailer prices

From $2,404 SGD
$1,876 USD
As of October 27, 2026
Save $13,168 SGD (85%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $15,573 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.14ct lab-grown radiant diamond

This 3.14ct 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 LG673428940 or 673428940. Listed at 28 retailers as of October 27, 2026, with prices from $2,404 to $15,573, a $13,168 spread on the same certified stone. Brilliant Earth lists it at $15,573. 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

3.14
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673428940
Dimensions10.52 × 7.11 × 4.72 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.52 mm7.11 mm3.14 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG673428940
Side View
Table 62.0%Crown 45.9°Girdle: MediumPavilion 32.2°Culet: NoneDepth 66.4%

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 27
Current: $15,573 SGD|Low: $2,308 SGD|High: $15,573 SGD|Avg: $5,787 SGD|+0.1%
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
October 30, 2026
Retailer 4$2,404 SGD
Retailer 6$2,789 SGD
Retailer 14$3,006 SGD
Retailer 2$3,329 SGD
Retailer 7$3,836 SGD
Retailer 10$3,989 SGD
Retailer 12$4,176 SGD
Retailer 11$4,393 SGD
Retailer 8$6,478 SGD
Retailer 5$7,190 SGD
Retailer 13$7,741 SGD
Retailer 9$8,010 SGD
Retailer 3$9,109 SGD
Brilliant Earth$15,573 SGD

31 data points across 14 retailers

28 retailers$2,404 SGD to $15,573 SGD

A
Cheapest Retailer
-
$2,404 SGD
$1,876 USD
A
Retailer 2
-
$2,616 SGD
$2,041 USD
View
A
Retailer 3
-
$2,693 SGD
$2,101 USD
View
Final sale: no returns
A
Retailer 4
-
$2,789 SGD
$2,176 USD
View
Retailer 5
-
$2,789 SGD
$2,176 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$2,981 SGD
$2,326 USD
View
A
Retailer 7
-
$3,006 SGD
$2,345 USD
View
A
Retailer 8
-
$3,329 SGD
£2,045 GBP
View
A
Retailer 9
-
$3,836 SGD
£2,356 GBP
View
A
Retailer 10
-
$3,989 SGD
$3,112 USD
View
Retailer 11
-
$4,025 SGD
$3,140 USD
View
Price last confirmed 14 days ago
A
Retailer 12
-
$4,176 SGD
$3,258 USD
View
A
Retailer 13
-
$4,251 SGD
$3,317 USD
View
A
Retailer 14
-
$4,393 SGD
€3,264 EUR
View
B+
Retailer 15
-
$5,229 SGD
$4,080 USD
View
B+
Retailer 16
-
$5,782 SGD
£3,552 GBP
View
B+
Retailer 17
-
$6,478 SGD
ZAR 81,648 ZAR
View
B+
Retailer 18
-
$7,190 SGD
$5,610 USD
View
B+
Retailer 19
-
$7,516 SGD
$5,864 USD
View
Retailer 20
-
$7,741 SGD
$6,040 USD
View
Price last confirmed 8 days ago
B+
Retailer 21
-
$8,010 SGD
£4,921 GBP
View
B
Retailer 22
-
$8,386 SGD
$6,543 USD
View
Retailer 23
-
$9,109 SGD
A$10,934 AUD
View
Price last confirmed 21 days ago
B
Retailer 24
-
$9,319 SGD
View
B
Retailer 25
-
$9,772 SGD
$7,624 USD
View
B
Retailer 26
-
$10,200 SGD
$7,958 USD
View
B
Retailer 27
-
$11,946 SGD
£7,339 GBP
View
Most Expensive
B
Brilliant Earth
12882214A · Oct 29
$15,573 SGD
$12,150 USD
View
27 more retailers have this diamond
Prices start from $2,404 SGDSave up to $13,168 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
3.14ct Radiant
$2,404 SGD