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Marquise|Lab Grown|IGI

3.77ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG835665856

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835665856

Diamond specifications and retailer prices

From $526 USD
As of October 30, 2026
Save $2,659 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,185 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.77ct lab-grown marquise diamond

This 3.77ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835665856 or 835665856. Listed at 15 retailers as of October 28, 2026, with prices from $526 to $3,185, a $2,659 spread on the same certified stone. Rare Carat lists it at $3,185. 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

3.77
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835665856
Dimensions17.11 × 8.21 × 4.93 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.11 mm8.21 mm3.77 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835665856
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.0%

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: $3,185 USD|Low: $512 USD|High: $3,235 USD|Avg: $1,819 USD|-1.5%
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 30, 2026
Retailer 3$526 USD
Retailer 9$589 USD
Retailer 12$748 USD
Retailer 8$988 USD
Retailer 5$1,037 USD
Retailer 2$1,377 USD
Retailer 11$1,683 USD
Retailer 10$1,685 USD
Retailer 4$1,715 USD
Retailer 13$2,270 USD
Retailer 6$2,571 USD
Retailer 7$2,737 USD
Retailer 14$2,960 USD
Rare Carat$3,185 USD

29 data points across 14 retailers

15 retailers$526 USD to $3,185 USD

A
Cheapest Retailer
-
$526 USD
A
Retailer 2
-
$589 USD
View
Retailer 3
-
$748 USD
£589 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
$988 USD
€941 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
$1,037 USD
View
A
Retailer 6
-
$1,377 USD
A$2,119 AUD
View
A
Retailer 7
-
$1,683 USD
View
B+
Retailer 8
-
$1,685 USD
View
A
Retailer 9
-
$1,715 USD
View
B+
Retailer 10
-
$2,035 USD
View
B+
Retailer 11
-
$2,270 USD
View
Retailer 12
-
$2,571 USD
SGD 3,474 SGD
View
Price last confirmed 20 days ago
B+
Retailer 13
-
$2,737 USD
£2,155 GBP
View
B+
Retailer 14
-
$2,960 USD
View
Most Expensive
B
Rare Carat
LGMQ30-148532 · Oct 28
$3,185 USD
View
14 more retailers have this diamond
Prices start from $526 USDSave up to $2,659 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
3.77ct Marquise
$526 USD