Marquise|Lab Grown|IGI

3.10ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG835671597

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835671597

Diamond specifications and retailer prices

From $643 USD
As of October 28, 2026
Save $2,980 USD (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,623 USD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 3.1ct lab-grown marquise diamond

This 3.1ct 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 LG835671597 or 835671597. Listed at 6 retailers as of October 28, 2026, with prices from $643 to $3,623, a $2,980 spread on the same certified stone. Frank Darling lists it at $3,623. 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

3.10
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835671597
Dimensions14.97 × 7.68 × 4.83 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.97 mm7.68 mm3.10 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835671597
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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 28
Current: $3,623 USD|Low: $453 USD|High: $3,624 USD|Avg: $1,907 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 4$643 USD
Retailer 5$894 USD
Retailer 6$1,306 USD
Retailer 3$2,314 USD
Retailer 2$2,945 USD
Frank Darling$3,623 USD

11 data points across 6 retailers

6 retailers$643 USD to $3,623 USD

A
Cheapest Retailer
-
$643 USD
Final sale: no returns
B+
Retailer 2
-
$894 USD
View
A
Retailer 3
-
$1,306 USD
View
B
Retailer 4
-
$2,314 USD
View
B
Retailer 5
-
$2,945 USD
View
Most Expensive
B
Frank Darling
100195872872KD · Oct 29
$3,623 USD
View
5 more retailers have this diamond
Prices start from $643 USDSave up to $2,980 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
3.10ct Marquise
$643 USD