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Marquise|Lab Grown|IGI

3.00ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG843654684

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843654684

Diamond specifications and retailer prices

From $1,826 USD
As of October 30, 2026
Save $5,595 USD (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,567 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 LG843654684 or 843654684. Listed at 18 retailers as of October 30, 2026, with a 306% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843654684
Dimensions15.81 × 7.26 × 4.18 mm
L/W Ratio2.18
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.81 mm7.26 mm3.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843654684
Side View
Table 67.0%Crown 34.1°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 57.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,567 USD|Low: $1,826 USD|High: $9,588 USD|Avg: $4,328 USD|-0.2%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
October 30, 2026
Retailer 3$1,826 USD
Retailer 5$2,045 USD
Retailer 7$2,118 USD
Retailer 4$2,285 USD
Retailer 2$2,338 USD
Retailer 11$3,004 USD
Retailer 15$3,028 USD
Retailer 10$3,173 USD
Retailer 14$3,340 USD
Retailer 18$3,562 USD
Retailer 6$3,969 USD
Retailer 9$4,389 USD
Retailer 17$4,790 USD
Retailer 12$4,917 USD
Retailer 16$5,470 USD
Retailer 13$6,081 USD
Retailer 8$7,421 USD
Novita Diamonds$9,567 USD

27 data points across 18 retailers

18 retailers$1,826 USD to $7,421 USD

A
Cheapest Retailer
-
$1,826 USD
A
Retailer 2
-
$2,045 USD
View
Final sale: no returns
A
Retailer 3
-
$2,118 USD
View
A
Retailer 4
-
$2,285 USD
View
A
Retailer 5
-
$2,338 USD
£1,841 GBP
View
A
Retailer 6
-
$3,004 USD
£2,365 GBP
View
A
Retailer 7
-
$3,028 USD
View
A
Retailer 8
-
$3,173 USD
View
A
Retailer 9
-
$3,340 USD
€3,181 EUR
View
A
Retailer 10
-
$3,562 USD
View
A
Retailer 11
-
$3,969 USD
View
A
Retailer 12
-
$4,389 USD
£3,456 GBP
View
Retailer 13
-
$4,790 USD
A$7,369 AUD
View
Price last confirmed 7 days ago
A
Retailer 14
-
$4,917 USD
ZAR 79,441 ZAR
View
A
Retailer 15
-
$5,470 USD
View
B+
Retailer 16
-
$6,081 USD
£4,788 GBP
View
B+
Retailer 17
-
$7,421 USD
View
Most Expensive
Novita Diamonds
cert_843654684 · Oct 8
$9,567 USD
A$14,718 AUD
View
Price last confirmed 21 days ago
17 more retailers have this diamond
Prices start from $1,826 USDSave up to $5,595 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
$1,826 USD