CaratHunter
Plans
Round|Lab Grown|IGI

3.75ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG622479011

Shape and cutting style on the report: Round brilliant

Certificate IGI LG622479011

Diamond specifications and retailer prices

From $1,086 SGD
€809 EUR
As of October 31, 2026
Save $2,455 SGD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,541 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.75ct lab-grown round diamond

This 3.75ct 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 LG622479011 or 622479011. Listed at 14 retailers as of October 31, 2026, with prices from $1,086 to $3,541, a $2,455 spread on the same certified stone. Brilliant Earth lists it at $3,541. 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

3.75
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622479011
Dimensions10.09 × 10.07 × 6.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.09 mm10.07 mm3.75 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622479011
Side View
Table 58.0%Crown 33.9°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.1%

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: Oct 31
Current: $3,541 SGD|Low: $671 SGD|High: $3,733 SGD|Avg: $1,641 SGD|-5.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$671 SGD
Retailer 11$946 SGD
Retailer 4$1,086 SGD
Retailer 7$1,106 SGD
Retailer 10$1,223 SGD
Retailer 8$1,295 SGD
Retailer 2$1,295 SGD
Retailer 9$1,856 SGD
Retailer 6$2,117 SGD
Retailer 5$3,304 SGD
Brilliant Earth$3,541 SGD

37 data points across 11 retailers

14 retailers$1,086 SGD to $3,541 SGD

Retailer 1
-
$541 SGD
$423 USD
Price last confirmed 39 days ago
Retailer 2
-
$606 SGD
$474 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$662 SGD
$518 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$946 SGD
£583 GBP
View
Price last confirmed 25 days ago
A
Retailer 5
-
$1,086 SGD
€809 EUR
View
B+
Retailer 6
-
$1,106 SGD
$865 USD
View
B+
Retailer 7
-
$1,223 SGD
$957 USD
View
A
Retailer 8
-
$1,295 SGD
$1,013 USD
View
B+
Retailer 9
-
$1,295 SGD
£798 GBP
View
B+
Retailer 10
-
$1,856 SGD
$1,452 USD
View
B
Retailer 11
-
$2,117 SGD
$1,656 USD
View
Retailer 12
-
$2,158 SGD
$1,688 USD
View
Price last confirmed 36 days ago
B
Retailer 13
-
$3,304 SGD
£2,035 GBP
View
Most Expensive
B
Brilliant Earth
9288387A · Oct 31
$3,541 SGD
$2,770 USD
View
13 more retailers have this diamond
Prices start from $1,086 SGDSave up to $2,455 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
3.75ct Round
$1,086 SGD