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 $915 AUD
$643 USD
As of October 31, 2026
Save $4,242 AUD (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,158 AUD at Frank Darling · As of October 31, 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 31, 2026, with prices from $915 to $5,158, a $4,242 spread on the same certified stone. Frank Darling lists it at $5,158. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,158 AUD|Low: $645 AUD|High: $5,159 AUD|Avg: $2,715 AUD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 4$915 AUD
Retailer 5$1,273 AUD
Retailer 6$1,859 AUD
Retailer 3$3,294 AUD
Retailer 2$4,193 AUD
Frank Darling$5,158 AUD

11 data points across 6 retailers

6 retailers$915 AUD to $5,158 AUD

A
Cheapest Retailer
-
$915 AUD
$643 USD
Final sale: no returns
B+
Retailer 2
-
$1,273 AUD
$894 USD
View
Retailer 3
-
$1,859 AUD
$1,306 USD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$3,294 AUD
$2,314 USD
View
B
Retailer 5
-
$4,193 AUD
$2,945 USD
View
Most Expensive
B
Frank Darling
100195872872KD · Oct 31
$5,158 AUD
$3,623 USD
View
5 more retailers have this diamond
Prices start from $915 AUDSave up to $4,242 AUD

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
$915 AUD