CaratHunter
Plans
Marquise|Lab Grown|IGI

3.78ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG844656594

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844656594

Diamond specifications and retailer prices

From $1,261 SGD
$986 USD
As of October 24, 2026
Save $11,153 SGD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,413 SGD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.78ct lab-grown marquise diamond

This 3.78ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844656594 or 844656594. Listed at 21 retailers as of October 24, 2026, with prices from $1,261 to $12,413, a $11,153 spread on the same certified stone. Brilliant Earth lists it at $12,413. 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

3.78
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844656594
Dimensions16.96 × 7.98 × 4.86 mm
L/W Ratio2.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.96 mm7.98 mm3.78 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844656594
Side View
Table 62.0%Crown 39.4°Girdle: STK-THKPavilion 39°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 24
Current: $1,566 SGD|Low: $1,170 SGD|High: $5,119 SGD|Avg: $2,888 SGD|-4.7%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 28, 2026
Retailer 11$1,170 SGD
Retailer 5$1,261 SGD
Retailer 8$1,298 SGD
Retailer 19$1,345 SGD
Retailer 15$1,565 SGD
Retailer 1$1,566 SGD
Retailer 3$1,827 SGD
Retailer 17$1,924 SGD
Retailer 12$2,040 SGD
Retailer 16$2,057 SGD
Retailer 18$2,991 SGD
Retailer 6$3,093 SGD
Retailer 13$3,119 SGD
Retailer 4$3,516 SGD
Retailer 10$3,741 SGD
Retailer 20$3,780 SGD
Retailer 14$4,366 SGD
Retailer 9$4,513 SGD
Retailer 21$4,565 SGD
Retailer 7$4,672 SGD
Retailer 2$4,835 SGD

11 data points across 21 retailers

21 retailers$1,261 SGD to $12,413 SGD

Retailer 1
-
$1,170 SGD
$915 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$1,261 SGD
$986 USD
View
A
Retailer 3
-
$1,345 SGD
$1,052 USD
View
A
Retailer 4
-
$1,565 SGD
£964 GBP
View
A
Retailer 5
-
$1,566 SGD
$1,225 USD
View
A
Retailer 6
-
$1,827 SGD
$1,429 USD
View
A
Retailer 7
-
$1,924 SGD
$1,505 USD
View
A
Retailer 8
-
$2,040 SGD
€1,520 EUR
View
A
Retailer 9
-
$2,057 SGD
£1,267 GBP
View
B+
Retailer 10
-
$2,991 SGD
$2,340 USD
View
B+
Retailer 11
-
$3,093 SGD
ZAR 39,082 ZAR
View
Retailer 12
-
$3,119 SGD
A$3,754 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$3,516 SGD
$2,750 USD
View
B+
Retailer 14
-
$3,741 SGD
£2,304 GBP
View
B+
Retailer 15
-
$3,780 SGD
$2,957 USD
View
B+
Retailer 16
-
$4,366 SGD
$3,415 USD
View
B+
Retailer 17
-
$4,513 SGD
View
B+
Retailer 18
-
$4,565 SGD
£2,812 GBP
View
B+
Retailer 19
-
$4,672 SGD
$3,654 USD
View
B+
Retailer 20
-
$4,835 SGD
$3,782 USD
View
Most Expensive
B
Brilliant Earth
22289103A · Oct 26
$12,413 SGD
$9,710 USD
View
20 more retailers have this diamond
Prices start from $1,261 SGDSave up to $11,153 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
3.78ct Marquise
$1,261 SGD