Marquise|Lab Grown|IGI

3.06ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG749531280

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG749531280

Diamond specifications and retailer prices

From $1,798 USD
CA$2,498 CAD
As of October 27, 2026
Save $797 USD (31%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,755 USD at Taylor and Hart · As of October 16, 2026
View at Taylor and Hart

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG749531280 or 749531280. Listed at 22 retailers as of October 27, 2026, with a 44% 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749531280
Dimensions7.40 × 7.40 × 4.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.40 mm7.40 mm3.06 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749531280
Side View
Table 60.0%Crown 35°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.6%

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 27
Current: $2,347 USD|Low: $906 USD|High: $8,720 USD|Avg: $3,152 USD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Taylor and Hart
October 16, 2026
Retailer 8$906 USD
Retailer 2$1,180 USD
Retailer 6$1,206 USD
Retailer 3$1,420 USD
Retailer 5$1,458 USD
Retailer 19$1,471 USD
Retailer 15$1,645 USD
Retailer 9$2,245 USD
Retailer 17$2,328 USD
Retailer 1$2,347 USD
Retailer 10$2,595 USD
Retailer 16$2,742 USD
Retailer 13$3,029 USD
Retailer 11$3,575 USD
Retailer 14$3,735 USD
Retailer 4$3,917 USD
Retailer 20$4,220 USD
Retailer 7$4,280 USD
Retailer 12$4,686 USD
Taylor and Hart$5,755 USD
Retailer 18$8,720 USD

28 data points across 21 retailers

22 retailers$1,798 USD to $2,595 USD

A
Retailer 1
-
$1,180 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$1,206 USD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$1,268 USD
View
Price last confirmed 21 days ago
A
Retailer 4
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$1,367 USD
View
Price last confirmed 30 days ago
B+
Retailer 5
-
$1,458 USD
View
Price last confirmed 26 days ago
B+
Retailer 6
-
$1,471 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$1,471 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
$1,471 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$1,624 USD
A$2,498 AUD
View
Price last confirmed 153 days ago
B+
Retailer 10
-
$1,798 USD
CA$2,498 CAD
View
B
Retailer 11
-
$2,328 USD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
$2,347 USD
£1,848 GBP
View
Price last confirmed 13 days ago
B
Retailer 13
-
$2,595 USD
View
B
Retailer 14
-
$2,742 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$3,016 USD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$3,043 USD
View
Price last confirmed 19 days ago
B
Retailer 17
-
$3,735 USD
ZAR 60,337 ZAR
View
Price last confirmed 14 days ago
B
Retailer 18
-
$3,917 USD
£3,084 GBP
View
Price last confirmed 14 days ago
B
Retailer 19
-
$4,220 USD
View
Price last confirmed 14 days ago
B
Retailer 20
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$4,280 USD
£3,370 GBP
View
Price last confirmed 15 days ago
B
Retailer 21
-
$4,686 USD
£3,690 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
Taylor and Hart
RKMIECR · Oct 16
$5,755 USD
View
Price last confirmed 13 days ago
21 more retailers have this diamond
Prices start from $1,798 USDSave up to $797 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
$1,798 USD