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Marquise|Lab Grown|IGI

3.09ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG800686713

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800686713

Diamond specifications and retailer prices

From $799 USD
£629 GBP
As of November 2, 2026
Save $2,526 USD (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,325 USD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise 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 LG800686713 or 800686713. Listed at 3 retailers as of November 1, 2026, with prices from $799 to $3,325, a $2,526 spread on the same certified stone. Helzberg Diamonds lists it at $3,325. 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

3.09
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800686713
Dimensions14.60 × 7.61 × 4.88 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.60 mm7.61 mm3.09 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800686713
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.1%

Caratlytics Score

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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 2
Current: $3,325 USD|Low: $615 USD|High: $3,325 USD|Avg: $1,240 USD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$615 USD
Retailer 4$672 USD
Retailer 5$725 USD
Retailer 2$799 USD
Retailer 6$907 USD
Retailer 10$975 USD
Retailer 9$1,168 USD
Retailer 7$1,439 USD
Retailer 3$2,320 USD
Helzberg Diamonds$3,325 USD

4 data points across 10 retailers

3 retailers$799 USD to $3,325 USD

A
Cheapest Retailer
-
$799 USD
£629 GBP
B+
Retailer 2
-
$2,320 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOGGMOMNHJ · Nov 1
$3,325 USD
View
2 more retailers have this diamond
Prices start from $799 USDSave up to $2,526 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
3.09ct Marquise
$799 USD