Marquise|Lab Grown|IGI

3.07ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG846635159

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846635159

Diamond specifications and retailer prices

From $2,913 USD
As of November 1, 2026
Save $6,956 USD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,869 USD at Taylor and Hart · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846635159 or 846635159. Listed at 6 retailers as of October 31, 2026, with prices from $2,913 to $9,869, a $6,956 spread on the same certified stone. Taylor and Hart lists it at $9,869. 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
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846635159
Dimensions15.78 × 7.49 × 4.50 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.78 mm7.49 mm3.07 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846635159
Side View
Table 56.0%Crown 31.3°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
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: Nov 1
Current: $3,894 USD|Low: $2,913 USD|High: $9,869 USD|Avg: $5,686 USD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 2, 2026
Retailer 5$2,913 USD
Retailer 4$3,384 USD
Retailer 1$3,894 USD
Retailer 3$4,408 USD
Retailer 2$7,570 USD
Taylor and Hart$9,869 USD

6 data points across 6 retailers

6 retailers$2,913 USD to $9,869 USD

A
Cheapest Retailer
-
$2,913 USD
A
Retailer 2
-
$3,384 USD
View
A
Retailer 3
-
$3,894 USD
£3,067 GBP
View
A
Retailer 4
-
$4,408 USD
View
B+
Retailer 5
-
$7,570 USD
£5,961 GBP
View
Most Expensive
B
Taylor and Hart
BIF3SRU · Oct 31
$9,869 USD
View
5 more retailers have this diamond
Prices start from $2,913 USDSave up to $6,956 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
$2,913 USD