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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 HK$1,185 HKD
$151 USD
As of October 24, 2026
Save HK$2,879 HKD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$10,602 HKD 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

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: HK$10,602 HKD|Low: HK$981 HKD|High: HK$10,761 HKD|Avg: HK$2,878 HKD|-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 16HK$1,020 HKD
Retailer 5HK$1,130 HKD
Retailer 15HK$1,185 HKD
Retailer 7HK$1,263 HKD
Retailer 13HK$1,334 HKD
Retailer 3HK$1,406 HKD
Retailer 11HK$2,107 HKD
Retailer 10HK$2,200 HKD
Retailer 14HK$2,401 HKD
Retailer 2HK$3,091 HKD
Retailer 6HK$3,107 HKD
Retailer 12HK$3,112 HKD
Retailer 9HK$3,295 HKD
Retailer 8HK$3,495 HKD
Retailer 4HK$4,064 HKD
MOH LondonHK$10,602 HKD

43 data points across 16 retailers

15 retailersHK$1,185 HKD to HK$4,064 HKD

Retailer 1
-
HK$1,020 HKD
$130 USD
Price last confirmed 8 days ago
A
Retailer 2
-
HK$1,185 HKD
$151 USD
View
A
Retailer 3
-
HK$1,263 HKD
$161 USD
View
A
Retailer 4
-
HK$1,334 HKD
$170 USD
View
A
Retailer 5
-
HK$1,406 HKD
View
A
Retailer 6
-
HK$2,107 HKD
£211 GBP
View
A
Retailer 7
-
HK$2,200 HKD
€267 EUR
View
B+
Retailer 8
-
HK$2,401 HKD
$306 USD
View
B+
Retailer 9
-
HK$3,091 HKD
$394 USD
View
B+
Retailer 10
-
HK$3,107 HKD
$396 USD
View
B+
Retailer 11
-
HK$3,112 HKD
£312 GBP
View
B+
Retailer 12
-
HK$3,295 HKD
$420 USD
View
B
Retailer 13
-
HK$3,495 HKD
SGD 602 SGD
View
B
Retailer 14
-
HK$4,064 HKD
$518 USD
View
Most Expensive
MOH London
LG803661811 · Oct 21
HK$10,602 HKD
£1,064 GBP
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from HK$1,185 HKDSave up to HK$2,879 HKD

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
HK$1,185 HKD