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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 $482 SGD
$377 USD
As of November 1, 2026
Save $2,778 SGD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,260 SGD 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 $482 to $3,260, a $2,778 spread on the same certified stone. Brilliant Earth lists it at $3,260. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,260 SGD|Low: $477 SGD|High: $6,111 SGD|Avg: $1,851 SGD|-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$482 SGD
Retailer 8$539 SGD
Retailer 2$832 SGD
Retailer 4$960 SGD
Retailer 9$1,117 SGD
Retailer 7$1,676 SGD
Retailer 6$1,681 SGD
Retailer 10$1,921 SGD
Retailer 5$2,348 SGD
Retailer 11$2,424 SGD
Brilliant Earth$3,260 SGD

34 data points across 11 retailers

11 retailers$482 SGD to $3,260 SGD

A
Cheapest Retailer
-
$482 SGD
$377 USD
A
Retailer 2
-
$539 SGD
$422 USD
View
A
Retailer 3
-
$832 SGD
£512 GBP
View
A
Retailer 4
-
$960 SGD
€715 EUR
View
B+
Retailer 5
-
$1,117 SGD
$874 USD
View
B+
Retailer 6
-
$1,676 SGD
$1,311 USD
View
B+
Retailer 7
-
$1,681 SGD
$1,315 USD
View
B+
Retailer 8
-
$1,921 SGD
$1,503 USD
View
B+
Retailer 9
-
$2,348 SGD
£1,446 GBP
View
Retailer 10
-
$2,424 SGD
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
20802618A · Oct 31
$3,260 SGD
$2,550 USD
View
10 more retailers have this diamond
Prices start from $482 SGDSave up to $2,778 SGD

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
$482 SGD