CaratHunter
Plans
Round|Lab Grown|IGI

3.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG735588309

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735588309

Diamond specifications and retailer prices

From $471 SGD
As of November 5, 2026
Save $2,237 SGD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,708 SGD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 LG735588309 or 735588309. Listed at 18 retailers as of November 5, 2026, with prices from $471 to $2,708, a $2,237 spread on the same certified stone. Brilliant Earth lists it at $2,708. 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 angle33.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735588309
Dimensions9.33 × 9.37 × 5.68 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm9.37 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735588309
Side View
Table 60.0%Crown 33.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.7%

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 5
Current: $2,708 SGD|Low: $457 SGD|High: $2,708 SGD|Avg: $1,221 SGD
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
November 6, 2026
Retailer 6$471 SGD
Retailer 9$534 SGD
Retailer 16$547 SGD
Retailer 3$585 SGD
Retailer 5$585 SGD
Retailer 14$779 SGD
Retailer 8$786 SGD
Retailer 2$934 SGD
Retailer 10$1,042 SGD
Retailer 4$1,083 SGD
Retailer 17$1,217 SGD
Retailer 15$1,442 SGD
Retailer 13$1,714 SGD
Retailer 7$1,880 SGD
Retailer 12$2,197 SGD
Retailer 11$2,279 SGD
Brilliant Earth$2,708 SGD

44 data points across 17 retailers

18 retailers$471 SGD to $2,708 SGD

A
Cheapest Retailer
-
$471 SGD
A
Retailer 2
-
$534 SGD
View
Final sale: no returns
A
Retailer 3
-
$547 SGD
View
A
Retailer 4
-
$585 SGD
View
Retailer 5
-
$585 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$779 SGD
View
B+
Retailer 7
-
$786 SGD
View
A
Retailer 8
-
$934 SGD
View
A
Retailer 9
-
$1,042 SGD
View
A
Retailer 10
-
$1,083 SGD
View
B+
Retailer 11
-
$1,217 SGD
View
B+
Retailer 12
-
$1,442 SGD
View
B+
Retailer 13
-
$1,484 SGD
View
B+
Retailer 14
-
$1,714 SGD
View
B
Retailer 15
-
$1,880 SGD
View
B
Retailer 16
-
$2,197 SGD
View
B
Retailer 17
-
$2,279 SGD
View
Most Expensive
B
Brilliant Earth
15923330A · Nov 5
$2,708 SGD
$2,120 USD
View
17 more retailers have this diamond
Prices start from $471 SGDSave up to $2,237 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
3.05ct Round
$471 SGD