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Marquise|Lab Grown|IGI

0.71ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG805672729

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805672729

Diamond specifications and retailer prices

From HK$1,306 HKD
As of November 1, 2026
Save HK$1,990 HKD (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,207 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805672729 or 805672729. Listed at 15 retailers as of November 1, 2026, with a 152% 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle29.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805672729
Dimensions9.94 × 4.67 × 2.76 mm
L/W Ratio2.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.94 mm4.67 mm0.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG805672729
Side View
Table 64.0%Crown 29.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.1%

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: Nov 1
Current: HK$9,207 HKD|Low: HK$847 HKD|High: HK$9,357 HKD|Avg: HK$2,906 HKD|-0.4%
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
November 2, 2026
Retailer 14HK$887 HKD
Retailer 12HK$1,028 HKD
Retailer 4HK$1,169 HKD
Retailer 11HK$1,969 HKD
Retailer 5HK$2,158 HKD
Retailer 9HK$2,201 HKD
Retailer 3HK$2,589 HKD
Retailer 2HK$2,597 HKD
Retailer 10HK$2,702 HKD
Retailer 6HK$2,958 HKD
Retailer 8HK$3,042 HKD
Retailer 7HK$3,295 HKD
Retailer 13HK$3,523 HKD
MOH LondonHK$9,207 HKD

43 data points across 14 retailers

15 retailersHK$1,306 HKD to HK$3,295 HKD

Retailer 1
-
HK$887 HKD
$113 USD
Price last confirmed 10 days ago
Retailer 2
-
HK$1,028 HKD
$131 USD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$1,169 HKD
$149 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$1,306 HKD
View
A
Retailer 5
-
HK$1,969 HKD
€239 EUR
View
Retailer 6
-
HK$2,158 HKD
$275 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$2,201 HKD
£221 GBP
View
B+
Retailer 8
-
HK$2,589 HKD
$330 USD
View
B+
Retailer 9
-
HK$2,597 HKD
$331 USD
View
Retailer 10
-
HK$2,702 HKD
£271 GBP
View
Price last confirmed 7 days ago
Retailer 11
-
HK$2,958 HKD
$377 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
HK$3,042 HKD
SGD 524 SGD
View
B+
Retailer 13
-
HK$3,295 HKD
$420 USD
View
Retailer 14
-
HK$3,523 HKD
$449 USD
View
Price last confirmed 8 days ago
Most Expensive
MOH London
LG805672729 · Oct 21
HK$9,207 HKD
£924 GBP
View
Price last confirmed 12 days ago
14 more retailers have this diamond
Prices start from HK$1,306 HKDSave up to HK$1,990 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$1,306 HKD