Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG837683414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837683414

Diamond specifications and retailer prices

From $454 USD
As of October 30, 2026
Save $2,291 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,745 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.8ct lab-grown marquise diamond

This 3.8ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837683414 or 837683414. Listed at 14 retailers as of October 28, 2026, with prices from $454 to $2,745, a $2,291 spread on the same certified stone. Rare Carat lists it at $2,745. 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

3.80
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837683414
Dimensions16.54 × 8.17 × 5.04 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.54 mm8.17 mm3.80 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837683414
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.7%

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 30
Current: $2,745 USD|Low: $454 USD|High: $2,790 USD|Avg: $1,598 USD|-1.6%
Rare Carat
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
October 29, 2026
Retailer 14$454 USD
Retailer 9$508 USD
Retailer 12$630 USD
Retailer 7$856 USD
Retailer 5$966 USD
Retailer 2$1,189 USD
Retailer 11$1,513 USD
Retailer 10$1,515 USD
Retailer 4$1,809 USD
Retailer 3$1,967 USD
Retailer 8$2,070 USD
Retailer 6$2,355 USD
Retailer 13$2,538 USD
Rare Carat$2,745 USD

28 data points across 14 retailers

14 retailers$454 USD to $2,745 USD

A
Cheapest Retailer
-
$454 USD
A
Retailer 2
-
$508 USD
View
Retailer 3
-
$630 USD
£496 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$856 USD
€815 EUR
View
A
Retailer 5
-
$966 USD
View
A
Retailer 6
-
$1,189 USD
A$1,829 AUD
View
A
Retailer 7
-
$1,513 USD
View
B+
Retailer 8
-
$1,515 USD
View
B+
Retailer 9
-
$1,809 USD
View
B+
Retailer 10
-
$1,967 USD
View
B+
Retailer 11
-
$2,070 USD
£1,630 GBP
View
Retailer 12
-
$2,355 USD
SGD 3,183 SGD
View
Price last confirmed 18 days ago
B+
Retailer 13
-
$2,538 USD
View
Most Expensive
B+
Rare Carat
LGMQ30-152734 · Oct 28
$2,745 USD
View
13 more retailers have this diamond
Prices start from $454 USDSave up to $2,291 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
3.80ct Marquise
$454 USD