CaratHunter
Plans
Radiant|Lab Grown|IGI

3.09ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG754564236

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

Certificate IGI LG754564236

Diamond specifications and retailer prices

From $437 SGD
As of November 6, 2026
Save $3,497 SGD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,935 SGD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754564236 or 754564236. Listed at 17 retailers as of November 6, 2026, with prices from $437 to $3,935, a $3,497 spread on the same certified stone. Brilliant Earth lists it at $3,935. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754564236
Dimensions10.57 × 7.25 × 4.84 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm7.25 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754564236
Side View
Table 65.0%Crown 37.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,935 SGD|Low: $431 SGD|High: $4,024 SGD|Avg: $1,227 SGD|-1.6%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 18$437 SGD
Retailer 5$488 SGD
Retailer 15$506 SGD
Retailer 14$541 SGD
Retailer 17$541 SGD
Retailer 3$665 SGD
Retailer 7$728 SGD
Retailer 12$737 SGD
Retailer 2$950 SGD
Retailer 6$950 SGD
Retailer 11$961 SGD
Retailer 9$1,330 SGD
Retailer 4$1,587 SGD
Retailer 16$1,739 SGD
Retailer 10$1,794 SGD
Retailer 8$2,104 SGD
Retailer 13$2,167 SGD
Brilliant Earth$3,935 SGD

41 data points across 18 retailers

17 retailers$437 SGD to $3,935 SGD

A
Cheapest Retailer
-
$437 SGD
A
Retailer 2
-
$488 SGD
View
Final sale: no returns
A
Retailer 3
-
$506 SGD
View
A
Retailer 4
-
$541 SGD
View
Retailer 5
-
$541 SGD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$728 SGD
View
A
Retailer 7
-
$737 SGD
View
A
Retailer 8
-
$950 SGD
View
A
Retailer 9
-
$950 SGD
View
A
Retailer 10
-
$961 SGD
View
A
Retailer 11
-
$1,330 SGD
View
B+
Retailer 12
-
$1,587 SGD
View
B+
Retailer 13
-
$1,739 SGD
View
B+
Retailer 14
-
$1,794 SGD
View
B+
Retailer 15
-
$2,104 SGD
View
B+
Retailer 16
-
$2,167 SGD
View
Most Expensive
B
Brilliant Earth
18587410A · Nov 6
$3,935 SGD
$3,070 USD
View
16 more retailers have this diamond
Prices start from $437 SGDSave up to $3,497 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
3.09ct Radiant
$437 SGD