Round|Lab Grown|IGI

3.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG629402085

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629402085

Diamond specifications and retailer prices

From $1,577 SGD
As of November 5, 2026
Save $511 SGD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,088 SGD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.05ct lab-grown round diamond

This 3.05ct 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 LG629402085 or 629402085. Listed at 2 retailers as of November 5, 2026, with prices from $1,577 to $2,088, a $511 spread on the same certified stone. The Diamond Guys lists it at $2,088. 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

3.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629402085
Dimensions9.24 × 9.21 × 5.73 mm
L/W Ratio1.00
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
9.24 mm9.21 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629402085
Side View
Table 59.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $464 SGD|Low: $315 SGD|High: $3,551 SGD|Avg: $1,559 SGD|+41.8%
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 19, 2026
Retailer 1$464 SGD
Retailer 6$669 SGD
Retailer 8$763 SGD
Retailer 5$821 SGD
Retailer 3$1,055 SGD
Retailer 10$1,190 SGD
Retailer 9$1,194 SGD
Retailer 11$1,335 SGD
Retailer 7$1,367 SGD
Retailer 2$1,577 SGD
The Diamond Guys$2,088 SGD
Retailer 12$2,380 SGD
Retailer 4$3,334 SGD

67 data points across 13 retailers

2 retailers$1,577 SGD to $2,088 SGD

B+
Cheapest Retailer
-
$1,577 SGD
Most Expensive
B
The Diamond Guys
1954434429 · Nov 6
$2,088 SGD
$1,635 USD
View
1 more retailer has this diamond
Prices start from $1,577 SGDSave up to $511 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+
3.05ct Round
$1,577 SGD