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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 $1,111 AUD
As of November 5, 2026
Save $3,638 AUD (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,750 AUD at Helzberg Diamonds · As of November 4, 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 4, 2026, with prices from $1,111 to $4,750, a $3,638 spread on the same certified stone. Helzberg Diamonds lists it at $4,750. 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
Colour
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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Price History

Last verified: Nov 5
Current: $4,750 AUD|Low: $879 AUD|High: $4,750 AUD|Avg: $1,801 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8$879 AUD
Retailer 4$960 AUD
Retailer 5$1,036 AUD
Retailer 2$1,111 AUD
Retailer 6$1,294 AUD
Retailer 10$1,393 AUD
Retailer 9$1,668 AUD
Retailer 7$2,054 AUD
Retailer 3$3,228 AUD
Helzberg Diamonds$4,750 AUD

7 data points across 10 retailers

3 retailers$1,111 AUD to $4,750 AUD

A
Cheapest Retailer
-
$1,111 AUD
B+
Retailer 2
-
$3,228 AUD
View
Most Expensive
B
Helzberg Diamonds
ZXZOGGMOMNHJ · Nov 4
$4,750 AUD
$3,325 USD
View
2 more retailers have this diamond
Prices start from $1,111 AUDSave up to $3,638 AUD

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
$1,111 AUD