Marquise|Lab Grown|IGI

3.70ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG806630311

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806630311

Diamond specifications and retailer prices

From $2,375 SGD
€1,765 EUR
As of October 27, 2026
Save $9,814 SGD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,189 SGD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.7ct lab-grown marquise diamond

This 3.7ct 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 LG806630311 or 806630311. Listed at 18 retailers as of October 26, 2026, with prices from $2,375 to $12,189, a $9,814 spread on the same certified stone. Brilliant Earth lists it at $12,189. 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

3.70
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806630311
Dimensions15.81 × 7.90 × 5.12 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.81 mm7.90 mm3.70 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806630311
Side View
Table 57.0%Crown 36.4°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.8%

Caratlytics Score

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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 27
Current: $12,189 SGD|Low: $1,274 SGD|High: $12,189 SGD|Avg: $4,266 SGD|+0.1%
Brilliant Earth
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
October 27, 2026
Retailer 3$1,274 SGD
Retailer 13$1,544 SGD
Retailer 16$1,801 SGD
Retailer 4$1,903 SGD
Retailer 11$2,051 SGD
Retailer 2$2,375 SGD
Retailer 14$2,938 SGD
Retailer 17$2,979 SGD
Retailer 6$3,051 SGD
Retailer 15$3,385 SGD
Retailer 8$4,260 SGD
Retailer 7$4,558 SGD
Retailer 18$4,584 SGD
Retailer 12$4,746 SGD
Retailer 5$5,180 SGD
Retailer 10$5,801 SGD
Retailer 9$7,216 SGD
Brilliant Earth$12,189 SGD

25 data points across 18 retailers

18 retailers$2,375 SGD to $12,189 SGD

Retailer 1
-
$1,544 SGD
$1,205 USD
Price last confirmed 7 days ago
Retailer 2
-
$1,801 SGD
$1,405 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$1,903 SGD
$1,485 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$2,051 SGD
£1,260 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
$2,375 SGD
€1,765 EUR
View
Retailer 6
-
$2,938 SGD
$2,292 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$2,979 SGD
A$3,576 AUD
View
Price last confirmed 8 days ago
Retailer 8
-
$3,051 SGD
ZAR 38,456 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$3,385 SGD
$2,641 USD
View
Retailer 10
-
$3,770 SGD
£2,316 GBP
View
Price last confirmed 18 days ago
Retailer 11
-
$4,260 SGD
$3,324 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$4,558 SGD
£2,800 GBP
View
Price last confirmed 11 days ago
Retailer 13
-
$4,584 SGD
$3,577 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$4,746 SGD
$3,703 USD
View
Retailer 15
-
$5,180 SGD
View
Price last confirmed 9 days ago
Retailer 16
-
$5,801 SGD
A$6,963 AUD
View
Price last confirmed 25 days ago
Retailer 17
-
$7,216 SGD
$5,630 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
20219228A · Oct 26
$12,189 SGD
$9,510 USD
View
17 more retailers have this diamond
Prices start from $2,375 SGDSave up to $9,814 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
3.70ct Marquise
$2,375 SGD