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Radiant|Lab Grown|IGI

3.11ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG737568554

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

Certificate IGI LG737568554

Diamond specifications and retailer prices

From $1,598 SGD
$1,250 USD
As of October 30, 2026
Save $9,927 SGD (86%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $11,525 SGD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 3.11ct lab-grown radiant diamond

This 3.11ct 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 LG737568554 or 737568554. Listed at 28 retailers as of October 29, 2026, with prices from $1,598 to $11,525, a $9,927 spread on the same certified stone. Blue Nile lists it at $11,525. 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

3.11
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737568554
Dimensions10.36 × 7.37 × 4.79 mm
L/W Ratio1.41
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
10.36 mm7.37 mm3.11 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737568554
Side View
Table 63.0%Crown 40.2°Girdle: MediumPavilion 34.1°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
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: $11,525 SGD|Low: $1,598 SGD|High: $15,315 SGD|Avg: $5,082 SGD|-9.5%
Blue Nile
Retailer 2
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Retailer 25
October 31, 2026
Retailer 23$1,598 SGD
Retailer 8$1,854 SGD
Retailer 16$1,904 SGD
Retailer 22$2,036 SGD
Retailer 19$2,157 SGD
Retailer 11$2,250 SGD
Retailer 25$2,258 SGD
Retailer 5$2,606 SGD
Retailer 18$3,045 SGD
Retailer 12$3,234 SGD
Retailer 13$3,456 SGD
Retailer 17$3,805 SGD
Retailer 2$3,911 SGD
Retailer 9$4,305 SGD
Retailer 7$4,481 SGD
Retailer 14$4,591 SGD
Retailer 20$5,321 SGD
Retailer 24$5,811 SGD
Retailer 6$6,504 SGD
Retailer 4$6,521 SGD
Retailer 10$6,556 SGD
Retailer 3$7,079 SGD
Retailer 15$7,306 SGD
Retailer 21$10,406 SGD
Blue Nile$11,525 SGD

29 data points across 25 retailers

28 retailers$1,598 SGD to $11,525 SGD

A
Cheapest Retailer
-
$1,598 SGD
$1,250 USD
A
Retailer 2
-
$1,854 SGD
$1,450 USD
View
A
Retailer 3
-
$1,904 SGD
$1,489 USD
View
A
Retailer 4
-
$2,036 SGD
$1,593 USD
View
Final sale: no returns
A
Retailer 5
-
$2,157 SGD
$1,687 USD
View
A
Retailer 6
-
$2,250 SGD
$1,760 USD
View
A
Retailer 7
-
$2,258 SGD
HK$13,800 HKD
View
A
Retailer 8
-
$2,606 SGD
£1,605 GBP
View
Retailer 9
-
$2,933 SGD
£1,807 GBP
View
Price last confirmed 15 days ago
A
Retailer 10
-
$3,045 SGD
$2,382 USD
View
Retailer 11
-
$3,234 SGD
€2,409 EUR
View
Price last confirmed 7 days ago
A
Retailer 12
-
$3,456 SGD
$2,703 USD
View
A
Retailer 13
-
$3,805 SGD
$2,976 USD
View
A
Retailer 14
-
$3,911 SGD
$3,059 USD
View
A
Retailer 15
-
$4,305 SGD
ZAR 54,407 ZAR
View
B+
Retailer 16
-
$4,481 SGD
£2,760 GBP
View
Retailer 17
-
$4,591 SGD
A$5,525 AUD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$5,248 SGD
$4,105 USD
View
B+
Retailer 19
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$5,321 SGD
$4,162 USD
View
B+
Retailer 20
-
$5,811 SGD
$4,545 USD
View
B+
Retailer 21
-
$6,504 SGD
$5,088 USD
View
B+
Retailer 22
-
$6,521 SGD
View
B+
Retailer 23
-
$6,556 SGD
£4,038 GBP
View
B+
Retailer 24
-
$7,079 SGD
$5,537 USD
View
Retailer 25
-
$7,306 SGD
$5,715 USD
View
Price last confirmed 9 days ago
Retailer 26
-
$8,757 SGD
A$10,538 AUD
View
Price last confirmed 32 days ago
B
Retailer 27
-
$10,406 SGD
$8,140 USD
View
Most Expensive
B
Blue Nile
27482522 · Oct 29
$11,525 SGD
$9,015 USD
View
27 more retailers have this diamond
Prices start from $1,598 SGDSave up to $9,927 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
3.11ct Radiant
$1,598 SGD