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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 $1,517 NZD
€813 EUR
As of November 2, 2026
Save $3,406 NZD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,923 NZD at Brilliant Earth · As of November 2, 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 13 retailers as of November 2, 2026, with prices from $1,517 to $4,923, a $3,406 spread on the same certified stone. Brilliant Earth lists it at $4,923. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,923 NZD|Low: $933 NZD|High: $5,190 NZD|Avg: $2,282 NZD|-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$933 NZD
Retailer 11$1,315 NZD
Retailer 2$1,517 NZD
Retailer 7$1,537 NZD
Retailer 10$1,701 NZD
Retailer 8$1,800 NZD
Retailer 4$1,801 NZD
Retailer 9$2,581 NZD
Retailer 6$2,943 NZD
Retailer 5$4,593 NZD
Brilliant Earth$4,923 NZD

37 data points across 11 retailers

13 retailers$1,517 NZD to $4,923 NZD

Retailer 1
-
$752 NZD
$423 USD
Price last confirmed 40 days ago
Retailer 2
-
$842 NZD
$474 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$921 NZD
$518 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$1,517 NZD
€813 EUR
View
B+
Retailer 5
-
$1,537 NZD
$865 USD
View
B+
Retailer 6
-
$1,701 NZD
$957 USD
View
A
Retailer 7
-
$1,800 NZD
$1,013 USD
View
B+
Retailer 8
-
$1,801 NZD
£798 GBP
View
B+
Retailer 9
-
$2,581 NZD
$1,452 USD
View
B
Retailer 10
-
$2,943 NZD
$1,656 USD
View
Retailer 11
-
$3,000 NZD
$1,688 USD
View
Price last confirmed 36 days ago
B
Retailer 12
-
$4,593 NZD
£2,035 GBP
View
Most Expensive
B
Brilliant Earth
9288387A · Nov 2
$4,923 NZD
$2,770 USD
View
12 more retailers have this diamond
Prices start from $1,517 NZDSave up to $3,406 NZD

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
$1,517 NZD