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Marquise|Lab Grown|IGI

0.70ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436047188

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047188

Diamond specifications and retailer prices

From HK$3,374 HKD
$430 USD
As of November 2, 2026
Save HK$11,385 HKD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$16,890 HKD at MOH London · As of October 25, 2026
View at MOH London

About this 0.7ct lab-grown marquise diamond

This 0.7ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047188 or 436047188. Listed at 11 retailers as of October 31, 2026, with a 337% 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

0.70
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047188
Dimensions8.74 × 4.83 × 2.98 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Top View
8.74 mm4.83 mm0.70 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047188
Side View
Table 57.5%Crown 34.8°Girdle: MED-STKPavilion 41.1°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: Nov 2
Current: HK$16,890 HKD|Low: HK$3,374 HKD|High: HK$18,444 HKD|Avg: HK$8,016 HKD|+0.2%
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
October 31, 2026
Retailer 8HK$3,374 HKD
Retailer 10HK$3,703 HKD
Retailer 3HK$4,143 HKD
Retailer 14HK$4,143 HKD
Retailer 7HK$4,289 HKD
Retailer 11HK$4,590 HKD
Retailer 15HK$4,590 HKD
Retailer 4HK$5,688 HKD
Retailer 13HK$7,163 HKD
Retailer 2HK$7,703 HKD
Retailer 5HK$7,791 HKD
Retailer 9HK$12,342 HKD
Retailer 12HK$14,759 HKD
MOH LondonHK$16,890 HKD
Retailer 6HK$18,444 HKD

26 data points across 15 retailers

11 retailersHK$3,374 HKD to HK$14,759 HKD

A
Cheapest Retailer
-
HK$3,374 HKD
$430 USD
B+
Retailer 2
-
HK$3,703 HKD
$472 USD
View
B+
Retailer 3
-
HK$4,143 HKD
$528 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$4,143 HKD
$528 USD
View
Retailer 5
-
HK$4,590 HKD
$585 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
HK$4,590 HKD
$585 USD
View
B
Retailer 7
-
HK$7,163 HKD
$913 USD
View
B
Retailer 8
-
HK$7,703 HKD
€935 EUR
View
B
Retailer 9
-
HK$12,342 HKD
$1,573 USD
View
B
Retailer 10
-
HK$14,759 HKD
$1,881 USD
View
Most Expensive
MOH London
LG436047188 · Oct 25
HK$16,890 HKD
£1,695 GBP
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from HK$3,374 HKDSave up to HK$11,385 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
0.70ct Marquise
HK$3,374 HKD