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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 $672 SGD
$526 USD
As of October 30, 2026
Save $3,399 SGD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,072 SGD 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 $672 to $4,072, a $3,399 spread on the same certified stone. Rare Carat lists it at $4,072. 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: $4,072 SGD|Low: $655 SGD|High: $4,136 SGD|Avg: $2,326 SGD|-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$672 SGD
Retailer 9$753 SGD
Retailer 12$956 SGD
Retailer 8$1,263 SGD
Retailer 5$1,326 SGD
Retailer 2$1,761 SGD
Retailer 11$2,152 SGD
Retailer 10$2,154 SGD
Retailer 4$2,192 SGD
Retailer 13$2,902 SGD
Retailer 6$3,286 SGD
Retailer 7$3,499 SGD
Retailer 14$3,784 SGD
Rare Carat$4,072 SGD

29 data points across 14 retailers

15 retailers$672 SGD to $4,072 SGD

A
Cheapest Retailer
-
$672 SGD
$526 USD
A
Retailer 2
-
$753 SGD
$589 USD
View
Retailer 3
-
$956 SGD
£589 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
$1,263 SGD
€941 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
$1,326 SGD
$1,037 USD
View
A
Retailer 6
-
$1,761 SGD
A$2,119 AUD
View
A
Retailer 7
-
$2,152 SGD
$1,683 USD
View
B+
Retailer 8
-
$2,154 SGD
$1,685 USD
View
A
Retailer 9
-
$2,192 SGD
$1,715 USD
View
B+
Retailer 10
-
$2,602 SGD
$2,035 USD
View
B+
Retailer 11
-
$2,902 SGD
$2,270 USD
View
Retailer 12
-
$3,286 SGD
View
Price last confirmed 20 days ago
B+
Retailer 13
-
$3,499 SGD
£2,155 GBP
View
B+
Retailer 14
-
$3,784 SGD
$2,960 USD
View
Most Expensive
B
Rare Carat
LGMQ30-148532 · Oct 28
$4,072 SGD
$3,185 USD
View
14 more retailers have this diamond
Prices start from $672 SGDSave up to $3,399 SGD

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
$672 SGD