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Round|Lab Grown|IGI

3.70ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG631406653

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631406653

Diamond specifications and retailer prices

From $1,477 USD
CA$2,051 CAD
As of October 30, 2026
Save $477 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,954 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG631406653 or 631406653. Listed at 2 retailers as of October 30, 2026, with prices from $1,477 to $1,954, a $477 spread on the same certified stone. The Diamond Guys lists it at $1,954. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.70
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631406653
Dimensions9.94 × 9.88 × 6.12 mm
L/W Ratio1.01
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
9.94 mm9.88 mm3.70 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631406653
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,870 USD|Low: $287 USD|High: $5,220 USD|Avg: $1,437 USD|-14.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4$744 USD
Retailer 7$815 USD
Retailer 11$938 USD
Retailer 2$961 USD
Retailer 5$1,074 USD
Retailer 10$1,153 USD
Retailer 6$1,213 USD
Retailer 8$1,477 USD
Retailer 9$1,677 USD
Retailer 3$1,750 USD
The Diamond Guys$1,954 USD
Retailer 1$2,870 USD
Retailer 12$3,070 USD

57 data points across 13 retailers

2 retailers$1,477 USD to $1,954 USD

B+
Cheapest Retailer
-
$1,477 USD
CA$2,051 CAD
Most Expensive
B
The Diamond Guys
1954433973 · Oct 30
$1,954 USD
View
1 more retailer has this diamond
Prices start from $1,477 USDSave up to $477 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+
3.70ct Round
$1,477 USD