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Marquise|Lab Grown|IGI

0.71ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG803661811

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803661811

Diamond specifications and retailer prices

From $193 SGD
$151 USD
As of October 24, 2026
Save $469 SGD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,727 SGD at MOH London · As of October 21, 2026
View at MOH London

About this 0.71ct lab-grown marquise diamond

This 0.71ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG803661811 or 803661811. Listed at 15 retailers as of October 24, 2026, with a 243% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.71
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803661811
Dimensions8.98 × 4.67 × 2.96 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.98 mm4.67 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803661811
Side View
Table 62.0%Crown 34.4°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 63.4%

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 24
Current: $1,727 SGD|Low: $160 SGD|High: $1,753 SGD|Avg: $469 SGD|-0.3%
MOH London
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
October 31, 2026
Retailer 16$166 SGD
Retailer 5$184 SGD
Retailer 15$193 SGD
Retailer 7$206 SGD
Retailer 13$217 SGD
Retailer 3$229 SGD
Retailer 11$343 SGD
Retailer 10$358 SGD
Retailer 14$391 SGD
Retailer 2$504 SGD
Retailer 6$506 SGD
Retailer 12$507 SGD
Retailer 9$537 SGD
Retailer 8$570 SGD
Retailer 4$662 SGD
MOH London$1,727 SGD

43 data points across 16 retailers

15 retailers$193 SGD to $662 SGD

Retailer 1
-
$166 SGD
$130 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$193 SGD
$151 USD
View
A
Retailer 3
-
$206 SGD
$161 USD
View
A
Retailer 4
-
$217 SGD
$170 USD
View
A
Retailer 5
-
$229 SGD
HK$1,400 HKD
View
A
Retailer 6
-
$343 SGD
£211 GBP
View
A
Retailer 7
-
$358 SGD
€267 EUR
View
B+
Retailer 8
-
$391 SGD
$306 USD
View
B+
Retailer 9
-
$504 SGD
$394 USD
View
B+
Retailer 10
-
$506 SGD
$396 USD
View
B+
Retailer 11
-
$507 SGD
£312 GBP
View
B+
Retailer 12
-
$537 SGD
$420 USD
View
B
Retailer 13
-
$570 SGD
View
B
Retailer 14
-
$662 SGD
$518 USD
View
Most Expensive
MOH London
LG803661811 · Oct 21
$1,727 SGD
£1,064 GBP
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from $193 SGDSave up to $469 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
0.71ct Marquise
$193 SGD