Oval|Lab Grown|IGI

3.71ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG621402167

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG621402167

Diamond specifications and retailer prices

From $2,940 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $2,940 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.71ct lab-grown oval diamond

This 3.71ct lab-grown oval 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 LG621402167 or 621402167. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.71
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621402167
Dimensions12.81 × 8.55 × 5.34 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.81 mm8.55 mm3.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621402167
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $2,940 USD|Low: $690 USD|High: $5,810 USD|Avg: $2,012 USD|-25.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 4, 2026
Retailer 4$690 USD
Retailer 5$834 USD
Retailer 6$976 USD
Retailer 7$1,034 USD
Retailer 8$1,358 USD
Retailer 2$1,743 USD
Brilliant Earth$2,940 USD
Retailer 3$3,920 USD

48 data points across 8 retailers

1 retailer

B
Brilliant Earth
9350789B · Oct 31
$2,940 USD
View

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.

B
3.71ct Oval
$2,940 USD