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3.71ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG600328442

Shape and cutting style on the report: Round brilliant

Certificate IGI LG600328442

Diamond specifications and retailer prices

From $1,142 SGD
€851 EUR
As of October 29, 2026
Save $2,329 SGD (67%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,471 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 3.71ct lab-grown round diamond

This 3.71ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG600328442 or 600328442. Listed at 15 retailers as of October 26, 2026, with prices from $1,142 to $3,471, a $2,329 spread on the same certified stone. MOH London lists it at $3,471. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.71
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600328442
Dimensions9.92 × 9.89 × 6.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.92 mm9.89 mm3.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600328442
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.7%

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 29
Current: $3,471 SGD|Low: $888 SGD|High: $3,509 SGD|Avg: $1,834 SGD|+33.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11$957 SGD
Retailer 4$1,142 SGD
Retailer 7$1,170 SGD
Retailer 2$1,281 SGD
Retailer 10$1,286 SGD
Retailer 8$1,319 SGD
Retailer 9$1,578 SGD
Retailer 5$2,143 SGD
Retailer 6$2,589 SGD
Retailer 3$3,375 SGD
MOH London$3,471 SGD

35 data points across 11 retailers

15 retailers$1,142 SGD to $3,471 SGD

Retailer 1
-
$570 SGD
$446 USD
Price last confirmed 37 days ago
Retailer 2
-
$639 SGD
$500 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$698 SGD
$546 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$957 SGD
£590 GBP
View
Price last confirmed 22 days ago
A
Retailer 5
-
$1,142 SGD
€851 EUR
View
B+
Retailer 6
-
$1,170 SGD
$915 USD
View
A
Retailer 7
-
$1,281 SGD
£789 GBP
View
B+
Retailer 8
-
$1,286 SGD
$1,006 USD
View
A
Retailer 9
-
$1,319 SGD
$1,032 USD
View
B+
Retailer 10
-
$1,578 SGD
$1,234 USD
View
B
Retailer 11
-
$2,143 SGD
$1,676 USD
View
Retailer 12
-
$2,274 SGD
$1,779 USD
View
Price last confirmed 34 days ago
B
Retailer 13
-
$2,589 SGD
$2,025 USD
View
B
Retailer 14
-
$3,375 SGD
$2,640 USD
View
Most Expensive
B
MOH London
LG600328442 · Oct 26
$3,471 SGD
£2,138 GBP
View
14 more retailers have this diamond
Prices start from $1,142 SGDSave up to $2,329 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
3.71ct Round
$1,142 SGD