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Round|Lab Grown|IGI

3.65ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG626426136

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626426136

Diamond specifications and retailer prices

From $1,435 USD
CA$1,994 CAD
As of October 30, 2026
Save $463 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,898 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.65ct lab-grown round diamond

This 3.65ct 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 LG626426136 or 626426136. Listed at 2 retailers as of October 30, 2026, with prices from $1,435 to $1,898, a $463 spread on the same certified stone. The Diamond Guys lists it at $1,898. 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

3.65
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626426136
Dimensions9.91 × 9.88 × 6.04 mm
L/W Ratio1.00
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
9.91 mm9.88 mm3.65 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626426136
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $598 USD|Low: $280 USD|High: $3,420 USD|Avg: $1,400 USD|-13.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
August 12, 2026
Retailer 13$304 USD
Retailer 1$598 USD
Retailer 7$625 USD
Retailer 5$728 USD
Retailer 9$856 USD
Retailer 3$882 USD
Retailer 11$967 USD
Retailer 10$1,216 USD
Retailer 12$1,327 USD
Retailer 4$1,435 USD
Retailer 8$1,845 USD
The Diamond Guys$1,898 USD
Retailer 2$2,265 USD
Retailer 6$3,420 USD

63 data points across 14 retailers

2 retailers$1,435 USD to $1,898 USD

B+
Cheapest Retailer
-
$1,435 USD
CA$1,994 CAD
Most Expensive
B
The Diamond Guys
1954433979 · Oct 30
$1,898 USD
View
1 more retailer has this diamond
Prices start from $1,435 USDSave up to $463 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+
3.65ct Round
$1,435 USD