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Marquise|Lab Grown|IGI

3.00ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG833644246

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833644246

Diamond specifications and retailer prices

From $1,658 USD
As of October 30, 2026
Save $5,093 USD (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,552 USD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833644246 or 833644246. Listed at 22 retailers as of October 30, 2026, with a 307% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833644246
Dimensions16.43 × 7.46 × 4.32 mm
L/W Ratio2.20
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.43 mm7.46 mm3.00 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833644246
Side View
Table 66.0%Crown 35.3°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 57.9%

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: Oct 30
Current: $9,552 USD|Low: $1,658 USD|High: $9,552 USD|Avg: $3,740 USD
Novita Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 20$1,658 USD
Retailer 18$1,804 USD
Retailer 7$1,856 USD
Retailer 11$1,923 USD
Retailer 21$2,095 USD
Retailer 2$2,123 USD
Retailer 14$2,128 USD
Retailer 6$2,193 USD
Retailer 13$2,726 USD
Retailer 4$2,750 USD
Retailer 16$3,040 USD
Retailer 5$3,115 USD
Retailer 9$3,316 USD
Retailer 17$3,605 USD
Retailer 10$3,978 USD
Retailer 15$4,466 USD
Retailer 12$4,766 USD
Retailer 19$5,183 USD
Retailer 3$5,500 USD
Retailer 8$6,751 USD
Novita Diamonds$9,552 USD

25 data points across 21 retailers

22 retailers$1,658 USD to $6,751 USD

A
Cheapest Retailer
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$1,658 USD
A
Retailer 2
-
$1,804 USD
View
A
Retailer 3
-
$1,856 USD
View
Final sale: no returns
A
Retailer 4
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$1,923 USD
View
A
Retailer 5
-
$2,095 USD
View
A
Retailer 6
-
$2,123 USD
£1,672 GBP
View
Retailer 7
-
$2,128 USD
View
Price last confirmed 18 days ago
A
Retailer 8
-
$2,193 USD
View
A
Retailer 9
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$2,726 USD
£2,146 GBP
View
A
Retailer 10
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$2,750 USD
View
A
Retailer 11
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$3,040 USD
€2,895 EUR
View
A
Retailer 12
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$3,115 USD
View
A
Retailer 13
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$3,316 USD
View
A
Retailer 14
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$3,605 USD
View
A
Retailer 15
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$3,978 USD
£3,132 GBP
View
A
Retailer 16
-
$4,466 USD
ZAR 72,149 ZAR
View
Retailer 17
-
$4,766 USD
A$7,332 AUD
View
Price last confirmed 8 days ago
A
Retailer 18
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$5,183 USD
View
A
Retailer 19
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$5,500 USD
£4,331 GBP
View
Retailer 20
-
$6,295 USD
View
Price last confirmed 33 days ago
B+
Retailer 21
-
$6,751 USD
View
Most Expensive
Novita Diamonds
cert_833644246 · Oct 8
$9,552 USD
A$14,696 AUD
View
Price last confirmed 22 days ago
21 more retailers have this diamond
Prices start from $1,658 USDSave up to $5,093 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
3.00ct Marquise
$1,658 USD