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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 $751 AUD
$526 USD
As of October 30, 2026
Save $3,794 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,545 AUD 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 $751 to $4,545, a $3,794 spread on the same certified stone. Rare Carat lists it at $4,545. 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
Colour
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: $4,545 AUD|Low: $731 AUD|High: $4,616 AUD|Avg: $2,596 AUD|-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$751 AUD
Retailer 9$840 AUD
Retailer 12$1,067 AUD
Retailer 8$1,410 AUD
Retailer 5$1,480 AUD
Retailer 2$1,965 AUD
Retailer 11$2,401 AUD
Retailer 10$2,404 AUD
Retailer 4$2,447 AUD
Retailer 13$3,239 AUD
Retailer 6$3,668 AUD
Retailer 7$3,905 AUD
Retailer 14$4,224 AUD
Rare Carat$4,545 AUD

29 data points across 14 retailers

15 retailers$751 AUD to $4,545 AUD

A
Cheapest Retailer
-
$751 AUD
$526 USD
A
Retailer 2
-
$840 AUD
$589 USD
View
Retailer 3
-
$1,067 AUD
£589 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
$1,410 AUD
€941 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,480 AUD
$1,037 USD
View
A
Retailer 6
-
$1,965 AUD
View
A
Retailer 7
-
$2,401 AUD
$1,683 USD
View
B+
Retailer 8
-
$2,404 AUD
$1,685 USD
View
A
Retailer 9
-
$2,447 AUD
$1,715 USD
View
B+
Retailer 10
-
$2,904 AUD
$2,035 USD
View
B+
Retailer 11
-
$3,239 AUD
$2,270 USD
View
Retailer 12
-
$3,668 AUD
SGD 3,474 SGD
View
Price last confirmed 20 days ago
B+
Retailer 13
-
$3,905 AUD
£2,155 GBP
View
B+
Retailer 14
-
$4,224 AUD
$2,960 USD
View
Most Expensive
B
Rare Carat
LGMQ30-148532 · Oct 28
$4,545 AUD
$3,185 USD
View
14 more retailers have this diamond
Prices start from $751 AUDSave up to $3,794 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
3.77ct Marquise
$751 AUD