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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 $537 AUD
$377 USD
As of November 1, 2026
Save $3,093 AUD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,630 AUD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $537 to $3,630, a $3,093 spread on the same certified stone. Brilliant Earth lists it at $3,630. 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
Colour
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

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: $3,630 AUD|Low: $531 AUD|High: $6,805 AUD|Avg: $2,061 AUD|-46.7%
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$537 AUD
Retailer 8$601 AUD
Retailer 2$926 AUD
Retailer 4$1,069 AUD
Retailer 9$1,244 AUD
Retailer 7$1,866 AUD
Retailer 6$1,872 AUD
Retailer 10$2,140 AUD
Retailer 5$2,614 AUD
Retailer 11$2,699 AUD
Brilliant Earth$3,630 AUD

34 data points across 11 retailers

11 retailers$537 AUD to $3,630 AUD

A
Cheapest Retailer
-
$537 AUD
$377 USD
A
Retailer 2
-
$601 AUD
$422 USD
View
A
Retailer 3
-
$926 AUD
£512 GBP
View
A
Retailer 4
-
$1,069 AUD
€715 EUR
View
B+
Retailer 5
-
$1,244 AUD
$874 USD
View
B+
Retailer 6
-
$1,866 AUD
$1,311 USD
View
B+
Retailer 7
-
$1,872 AUD
$1,315 USD
View
B+
Retailer 8
-
$2,140 AUD
$1,503 USD
View
B+
Retailer 9
-
$2,614 AUD
£1,446 GBP
View
Retailer 10
-
$2,699 AUD
SGD 2,562 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
20802618A · Oct 31
$3,630 AUD
$2,550 USD
View
10 more retailers have this diamond
Prices start from $537 AUDSave up to $3,093 AUD

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
$537 AUD