Round|Lab Grown|IGI

3.75ct F SI1 Round Lab Grown Diamond

ID • F/SI1

Diamond specifications and retailer prices

From €445 EUR
$497 USD
As of November 1, 2026
Save €1,868 EUR (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,313 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

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. Listed at 9 retailers as of October 31, 2026, with prices from €445 to €2,313, a €1,868 spread on the same certified stone. Blue Nile lists it at €2,313. 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
OriginLab Grown
Grading LabIGI
Dimensions10.07 × 10.11 × 6.08 mm
L/W Ratio1.00
Top View
10.07 mm10.11 mm3.75 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 58.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.2%

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 1
Current: €2,313 EUR|Low: €363 EUR|High: €2,313 EUR|Avg: €1,125 EUR
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 4€445 EUR
Retailer 2€498 EUR
Retailer 3€551 EUR
Retailer 6€1,373 EUR
Retailer 5€1,450 EUR
Blue Nile€2,313 EUR

10 data points across 6 retailers

9 retailers€445 EUR to €2,313 EUR

A
Cheapest Retailer
-
€445 EUR
$497 USD
Retailer 2
-
€445 EUR
$497 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
€498 EUR
$556 USD
View
Retailer 4
-
€498 EUR
$556 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
€551 EUR
$616 USD
View
Retailer 6
-
€551 EUR
$616 USD
View
Price last confirmed 23 days ago
Retailer 7
-
€1,450 EUR
$1,620 USD
View
Price last confirmed 23 days ago
B
Retailer 8
-
€1,450 EUR
$1,620 USD
View
Most Expensive
B
Blue Nile
25247387 · Oct 31
€2,313 EUR
$2,584 USD
View
8 more retailers have this diamond
Prices start from €445 EURSave up to €1,868 EUR

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
€445 EUR