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Round|Lab Grown|IGI

3.09ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG623459877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623459877

Diamond specifications and retailer prices

From $1,575 SGD
As of November 5, 2026
Save $510 SGD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,085 SGD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round 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 LG623459877 or 623459877. Listed at 3 retailers as of November 5, 2026, with prices from $1,575 to $2,085, a $510 spread on the same certified stone. The Diamond Guys lists it at $2,085. 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 angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623459877
Dimensions9.35 × 9.29 × 5.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.35 mm9.29 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623459877
Side View
Table 56.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $423 SGD|Low: $310 SGD|High: $5,377 SGD|Avg: $1,894 SGD|+31.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
September 18, 2026
Retailer 1$423 SGD
Retailer 8$483 SGD
Retailer 7$765 SGD
Retailer 5$826 SGD
Retailer 6$869 SGD
Retailer 9$1,219 SGD
Retailer 11$1,220 SGD
Retailer 12$1,326 SGD
Retailer 10$1,360 SGD
Retailer 2$1,575 SGD
The Diamond Guys$2,085 SGD
Retailer 3$3,321 SGD
Retailer 4$5,377 SGD

69 data points across 13 retailers

3 retailers$1,575 SGD to $2,085 SGD

Retailer 1
-
$483 SGD
Price last confirmed 51 days ago
B
Retailer 2
-
$1,575 SGD
View
Most Expensive
B
The Diamond Guys
1954434401 · Nov 6
$2,085 SGD
$1,632 USD
View
2 more retailers have this diamond
Prices start from $1,575 SGDSave up to $510 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.

B
3.09ct Round
$1,575 SGD