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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 $849 USD
€809 EUR
As of October 31, 2026
Save $1,921 USD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,770 USD 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 $849 to $2,770, a $1,921 spread on the same certified stone. Brilliant Earth lists it at $2,770. 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
Color
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: $2,770 USD|Low: $525 USD|High: $2,920 USD|Avg: $1,283 USD|-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 1, 2026
Retailer 3$525 USD
Retailer 11$740 USD
Retailer 4$849 USD
Retailer 7$865 USD
Retailer 10$957 USD
Retailer 8$1,013 USD
Retailer 2$1,022 USD
Retailer 9$1,452 USD
Retailer 6$1,656 USD
Retailer 5$2,584 USD
Brilliant Earth$2,770 USD

36 data points across 11 retailers

14 retailers$849 USD to $2,770 USD

Retailer 1
-
$423 USD
Price last confirmed 39 days ago
Retailer 2
-
$474 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$518 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$740 USD
£583 GBP
View
Price last confirmed 25 days ago
A
Retailer 5
-
$849 USD
€809 EUR
View
B+
Retailer 6
-
$865 USD
View
B+
Retailer 7
-
$957 USD
View
A
Retailer 8
-
$1,013 USD
View
B+
Retailer 9
-
$1,022 USD
£804 GBP
View
B+
Retailer 10
-
$1,452 USD
View
B
Retailer 11
-
$1,656 USD
View
Retailer 12
-
$1,688 USD
View
Price last confirmed 36 days ago
B
Retailer 13
-
$2,584 USD
£2,035 GBP
View
Most Expensive
B
Brilliant Earth
9288387A · Oct 31
$2,770 USD
View
13 more retailers have this diamond
Prices start from $849 USDSave up to $1,921 USD

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
$849 USD