Round|Lab Grown|IGI

0.37ct G VS1 Round Lab Grown Diamond

GD • G/VS1 • IGI LG12677801

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12677801

Diamond specifications and retailer prices

From $490 USD
CA$680 CAD
As of October 27, 2026
Save $158 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $648 USD at The Diamond Guys · As of October 27, 2026
View at The Diamond Guys

About this 0.37ct lab-grown round diamond

This 0.37ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG12677801 or 12677801. Listed at 2 retailers as of October 27, 2026, with prices from $490 to $648, a $158 spread on the same certified stone. The Diamond Guys lists it at $648. 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

0.37
Carat
G
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
Crown angle38.5°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12677801
Dimensions4.50 × 4.45 × 2.93 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
4.50 mm4.45 mm0.37 ctG / VS1
OriginLab Grown
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG12677801
Side View
Table 59.5%Crown 38.5°Girdle: MED-UNDPavilion 41.9°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $306 USD|Low: $292 USD|High: $648 USD|Avg: $433 USD|+1.1%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
September 18, 2026
Retailer 2$292 USD
Retailer 1$306 USD
Retailer 3$490 USD
The Diamond Guys$648 USD

3 data points across 4 retailers

2 retailers$490 USD to $648 USD

B
Cheapest Retailer
-
$490 USD
CA$680 CAD
Most Expensive
C
The Diamond Guys
1960791991 · Oct 27
$648 USD
View
1 more retailer has this diamond
Prices start from $490 USDSave up to $158 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.

B
0.37ct Round
$490 USD