CaratHunter
Plans
Marquise|Lab Grown|IGI

3.07ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG783612175

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG783612175

Diamond specifications and retailer prices

From $1,635 USD
As of October 30, 2026
Save $5,083 USD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,718 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.07ct lab-grown marquise diamond

This 3.07ct 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 LG783612175 or 783612175. Listed at 15 retailers as of October 30, 2026, with prices from $1,635 to $6,718, a $5,083 spread on the same certified stone. Taylor and Hart lists it at $6,718. 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783612175
Dimensions14.79 × 7.51 × 4.58 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.79 mm7.51 mm3.07 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783612175
Side View
Table 61.0%Crown 33.9°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 61.0%

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: $2,712 USD|Low: $1,490 USD|High: $7,626 USD|Avg: $3,483 USD|-9.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 8$1,569 USD
Retailer 12$1,830 USD
Retailer 7$1,896 USD
Retailer 3$2,229 USD
Retailer 4$2,240 USD
Retailer 1$2,712 USD
Retailer 11$2,982 USD
Retailer 10$3,233 USD
Retailer 2$3,947 USD
Retailer 6$4,289 USD
Retailer 9$5,156 USD
Retailer 5$5,444 USD
Taylor and Hart$6,718 USD

41 data points across 13 retailers

15 retailers$1,635 USD to $6,718 USD

Retailer 1
-
$1,569 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$1,635 USD
View
A
Retailer 3
-
$1,830 USD
View
Final sale: no returns
Retailer 4
-
$1,896 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$1,896 USD
View
A
Retailer 6
-
$2,712 USD
£2,135 GBP
View
A
Retailer 7
-
$2,982 USD
View
A
Retailer 8
-
$3,233 USD
View
A
Retailer 9
-
$3,554 USD
View
Retailer 10
-
$3,554 USD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$3,947 USD
£3,108 GBP
View
Retailer 12
-
$4,289 USD
A$6,598 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
$5,156 USD
View
A
Retailer 14
-
$5,444 USD
£4,287 GBP
View
Most Expensive
B+
Taylor and Hart
PO04UUT · Oct 30
$6,718 USD
View
14 more retailers have this diamond
Prices start from $1,635 USDSave up to $5,083 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
3.07ct Marquise
$1,635 USD