Round|Lab Grown|IGI

2.91ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG623478930

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623478930

Diamond specifications and retailer prices

From $1,302 USD
CA$1,809 CAD
As of October 27, 2026
Save $421 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,723 USD at The Diamond Guys · As of October 28, 2026
View at The Diamond Guys

About this 2.91ct lab-grown round diamond

This 2.91ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623478930 or 623478930. Listed at 2 retailers as of October 27, 2026, with prices from $1,302 to $1,723, a $421 spread on the same certified stone. The Diamond Guys lists it at $1,723. 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

2.91
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623478930
Dimensions9.12 × 9.07 × 5.63 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
9.12 mm9.07 mm2.91 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623478930
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $1,124 USD|Low: $259 USD|High: $4,110 USD|Avg: $1,315 USD|+0.4%
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$671 USD
Retailer 5$802 USD
Retailer 3$835 USD
Retailer 11$844 USD
Retailer 2$872 USD
Retailer 6$988 USD
Retailer 10$1,072 USD
Retailer 1$1,124 USD
Retailer 7$1,302 USD
Retailer 9$1,515 USD
The Diamond Guys$1,723 USD
Retailer 12$2,740 USD
Retailer 8$4,110 USD

53 data points across 13 retailers

2 retailers$1,302 USD to $1,723 USD

A
Cheapest Retailer
-
$1,302 USD
CA$1,809 CAD
Most Expensive
B+
The Diamond Guys
1951062231 · Oct 28
$1,723 USD
View
1 more retailer has this diamond
Prices start from $1,302 USDSave up to $421 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.

A
2.91ct Round
$1,302 USD