Marquise|Lab Grown|IGI

3.10ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG843645166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843645166

Diamond specifications and retailer prices

From $530 USD
As of October 27, 2026
Save $5,610 USD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,140 USD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

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 LG843645166 or 843645166. Listed at 24 retailers as of October 27, 2026, with prices from $530 to $6,140, a $5,610 spread on the same certified stone. Brilliant Earth lists it at $6,140. 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 angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843645166
Dimensions15.31 × 7.48 × 4.76 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.31 mm7.48 mm3.10 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843645166
Side View
Table 63.0%Crown 35.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.6%

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 27
Current: $6,140 USD|Low: $530 USD|High: $6,140 USD|Avg: $1,634 USD
Brilliant Earth
Retailer 2
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Retailer 24
October 29, 2026
Retailer 22$530 USD
Retailer 12$592 USD
Retailer 4$593 USD
Retailer 9$657 USD
Retailer 23$657 USD
Retailer 2$754 USD
Retailer 10$795 USD
Retailer 18$880 USD
Retailer 11$1,014 USD
Retailer 20$1,015 USD
Retailer 21$1,094 USD
Retailer 8$1,355 USD
Retailer 6$1,398 USD
Retailer 13$1,427 USD
Retailer 5$1,459 USD
Retailer 7$1,696 USD
Retailer 24$1,728 USD
Retailer 16$2,135 USD
Retailer 17$2,156 USD
Retailer 15$2,246 USD
Retailer 14$2,437 USD
Retailer 3$2,747 USD
Retailer 19$2,970 USD
Brilliant Earth$6,140 USD

16 data points across 24 retailers

24 retailers$530 USD to $6,140 USD

A
Cheapest Retailer
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$530 USD
A
Retailer 2
-
$592 USD
View
Final sale: no returns
A
Retailer 3
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$593 USD
View
A
Retailer 4
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$657 USD
View
A
Retailer 5
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$657 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$754 USD
£594 GBP
View
A
Retailer 7
-
$795 USD
View
B+
Retailer 8
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$880 USD
View
A
Retailer 9
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$1,014 USD
View
A
Retailer 10
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$1,015 USD
£799 GBP
View
A
Retailer 11
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$1,094 USD
€1,042 EUR
View
A
Retailer 12
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$1,355 USD
View
B+
Retailer 13
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$1,398 USD
A$2,151 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
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$1,427 USD
ZAR 23,053 ZAR
View
B+
Retailer 15
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$1,459 USD
View
B+
Retailer 16
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$1,696 USD
View
B+
Retailer 17
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$1,728 USD
View
B+
Retailer 18
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$2,135 USD
View
B+
Retailer 19
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$2,156 USD
View
B+
Retailer 20
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$2,246 USD
View
B
Retailer 21
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$2,437 USD
View
B
Retailer 22
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$2,747 USD
£2,163 GBP
View
B
Retailer 23
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$2,970 USD
View
Most Expensive
B
Brilliant Earth
21738941A · Oct 27
$6,140 USD
View
23 more retailers have this diamond
Prices start from $530 USDSave up to $5,610 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
$530 USD