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Marquise|Lab Grown|IGI

3.07ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG712588742

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG712588742

Diamond specifications and retailer prices

From $18,890 USD
A$29,062 AUD
As of November 1, 2026
1 retailer carries this diamond
Only listing: $18,890 USD at Novita Diamonds
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Novita Diamonds

About this 3.07ct lab-grown marquise diamond

This 3.07ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG712588742 or 712588742. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.07
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712588742
Dimensions14.41 × 7.55 × 4.88 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.41 mm7.55 mm3.07 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712588742
Side View
Table 58.0%Crown 36.6°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $18,890 USD|Low: $3,079 USD|High: $25,328 USD|Avg: $11,088 USD|-3.4%
Novita Diamonds
Retailer 2
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Retailer 17
November 1, 2026
Retailer 3$3,079 USD
Retailer 10$4,200 USD
Retailer 15$4,514 USD
Retailer 11$4,616 USD
Retailer 8$4,951 USD
Retailer 2$5,630 USD
Retailer 4$5,902 USD
Retailer 13$5,965 USD
Retailer 16$7,109 USD
Retailer 6$9,631 USD
Retailer 14$11,523 USD
Retailer 9$14,544 USD
Retailer 5$18,363 USD
Novita Diamonds$18,890 USD
Retailer 17$19,995 USD
Retailer 12$23,990 USD
Retailer 7$25,328 USD

4 data points across 17 retailers

1 retailer

B
Novita Diamonds
cert_712588742 · Nov 1
$18,890 USD
A$29,062 AUD
View

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
3.07ct Marquise
$18,890 USD