Marquise|Lab Grown|IGI

3.06ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG833690173

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833690173

Diamond specifications and retailer prices

From $2,695 USD
£2,122 GBP
As of October 29, 2026
Save $4,002 USD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,745 USD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.06ct lab-grown marquise diamond

This 3.06ct 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 LG833690173 or 833690173. Listed at 7 retailers as of October 27, 2026, with a 148% 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

3.06
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833690173
Dimensions16.33 × 7.29 × 4.28 mm
L/W Ratio2.24
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.33 mm7.29 mm3.06 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833690173
Side View
Table 59.0%Crown 35.3°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 58.7%

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 29
Current: $9,745 USD|Low: $2,687 USD|High: $10,539 USD|Avg: $5,105 USD|-7.5%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2$2,695 USD
Retailer 5$2,728 USD
Retailer 4$3,003 USD
Retailer 6$3,213 USD
Retailer 3$5,478 USD
Retailer 7$6,697 USD
Novita Diamonds$9,745 USD

33 data points across 7 retailers

7 retailers$2,695 USD to $6,697 USD

A
Cheapest Retailer
-
$2,695 USD
£2,122 GBP
A
Retailer 2
-
$2,728 USD
View
A
Retailer 3
-
$3,003 USD
€2,860 EUR
View
A
Retailer 4
-
$3,213 USD
View
A
Retailer 5
-
$5,478 USD
£4,313 GBP
View
B+
Retailer 6
-
$6,697 USD
View
Most Expensive
B+
Novita Diamonds
cert_833690173 · Oct 8
$9,745 USD
A$14,993 AUD
View
Price last confirmed 20 days ago
6 more retailers have this diamond
Prices start from $2,695 USDSave up to $4,002 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
3.06ct Marquise
$2,695 USD