Round|Lab Grown|IGI

3.67ct F SI1 Round Lab Grown Diamond

VG • F/SI1 • IGI LG819655549

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819655549

Diamond specifications and retailer prices

From $377 USD
As of October 29, 2026
Save $2,173 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,550 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.67ct lab-grown round diamond

This 3.67ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG819655549 or 819655549. Listed at 11 retailers as of October 29, 2026, with prices from $377 to $2,550, a $2,173 spread on the same certified stone. Brilliant Earth lists it at $2,550. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.67
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819655549
Dimensions9.77 × 9.90 × 6.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.77 mm9.90 mm3.67 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819655549
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $2,550 USD|Low: $373 USD|High: $4,780 USD|Avg: $1,455 USD|-46.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$377 USD
Retailer 8$422 USD
Retailer 2$652 USD
Retailer 4$751 USD
Retailer 9$874 USD
Retailer 7$1,311 USD
Retailer 6$1,315 USD
Retailer 10$1,503 USD
Retailer 5$1,836 USD
Retailer 11$1,896 USD
Brilliant Earth$2,550 USD

33 data points across 11 retailers

11 retailers$377 USD to $2,550 USD

A
Cheapest Retailer
-
$377 USD
A
Retailer 2
-
$422 USD
View
A
Retailer 3
-
$652 USD
£514 GBP
View
A
Retailer 4
-
$751 USD
€715 EUR
View
B+
Retailer 5
-
$874 USD
View
B+
Retailer 6
-
$1,311 USD
View
B+
Retailer 7
-
$1,315 USD
View
B+
Retailer 8
-
$1,503 USD
View
B+
Retailer 9
-
$1,836 USD
£1,446 GBP
View
Retailer 10
-
$1,896 USD
SGD 2,562 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
20802618A · Oct 30
$2,550 USD
View
10 more retailers have this diamond
Prices start from $377 USDSave up to $2,173 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
3.67ct Round
$377 USD