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Marquise|Lab Grown|IGI

3.78ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG846643459

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846643459

Diamond specifications and retailer prices

From $1,185 SGD
$927 USD
As of October 27, 2026
Save $6,268 SGD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,453 SGD at Brilliant Earth · As of October 30, 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 LG846643459 or 846643459. Listed at 22 retailers as of October 27, 2026, with prices from $1,185 to $7,453, a $6,268 spread on the same certified stone. Brilliant Earth lists it at $7,453. 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 angle36.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846643459
Dimensions15.75 × 8.05 × 5.14 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.75 mm8.05 mm3.78 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846643459
Side View
Table 60.0%Crown 36.4°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 63.9%

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 27
Current: $7,453 SGD|Low: $1,185 SGD|High: $7,453 SGD|Avg: $3,000 SGD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 17
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Retailer 19
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Retailer 21
Retailer 22
October 30, 2026
Retailer 8$1,185 SGD
Retailer 14$1,309 SGD
Retailer 19$1,327 SGD
Retailer 11$1,395 SGD
Retailer 13$1,589 SGD
Retailer 6$1,598 SGD
Retailer 9$1,861 SGD
Retailer 2$1,956 SGD
Retailer 7$2,085 SGD
Retailer 16$2,099 SGD
Retailer 10$3,076 SGD
Retailer 20$3,190 SGD
Retailer 15$3,234 SGD
Retailer 5$3,523 SGD
Retailer 21$3,799 SGD
Retailer 12$3,923 SGD
Retailer 3$4,081 SGD
Retailer 17$4,587 SGD
Retailer 22$4,686 SGD
Retailer 18$4,748 SGD
Retailer 4$4,945 SGD
Brilliant Earth$7,453 SGD

11 data points across 22 retailers

22 retailers$1,185 SGD to $7,453 SGD

A
Cheapest Retailer
-
$1,185 SGD
$927 USD
A
Retailer 2
-
$1,309 SGD
$1,024 USD
View
A
Retailer 3
-
$1,327 SGD
$1,038 USD
View
Final sale: no returns
A
Retailer 4
-
$1,395 SGD
$1,091 USD
View
A
Retailer 5
-
$1,589 SGD
£979 GBP
View
A
Retailer 6
-
$1,598 SGD
$1,250 USD
View
A
Retailer 7
-
$1,861 SGD
$1,456 USD
View
A
Retailer 8
-
$1,956 SGD
$1,530 USD
View
A
Retailer 9
-
$2,085 SGD
€1,553 EUR
View
A
Retailer 10
-
$2,099 SGD
£1,293 GBP
View
B+
Retailer 11
-
$3,076 SGD
$2,406 USD
View
B+
Retailer 12
-
$3,190 SGD
ZAR 40,318 ZAR
View
Retailer 13
-
$3,234 SGD
A$3,892 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$3,523 SGD
$2,756 USD
View
B+
Retailer 15
-
$3,799 SGD
£2,340 GBP
View
B+
Retailer 16
-
$3,923 SGD
$3,069 USD
View
B+
Retailer 17
-
$4,081 SGD
$3,192 USD
View
B+
Retailer 18
-
$4,587 SGD
View
B+
Retailer 19
-
$4,686 SGD
£2,886 GBP
View
B+
Retailer 20
-
$4,748 SGD
$3,714 USD
View
B+
Retailer 21
-
$4,945 SGD
$3,868 USD
View
Most Expensive
B
Brilliant Earth
22283113A · Oct 30
$7,453 SGD
$5,830 USD
View
21 more retailers have this diamond
Prices start from $1,185 SGDSave up to $6,268 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
$1,185 SGD