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Marquise|Lab Grown|IGI

1.91ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG818623828

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818623828

Diamond specifications and retailer prices

From HK$7,932 HKD
$1,011 USD
As of October 30, 2026
Save HK$62,522 HKD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$70,454 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818623828 or 818623828. Listed at 22 retailers as of October 29, 2026, with prices from HK$7,932 to HK$70,454, a HK$62,522 spread on the same certified stone. Do Amore Diamonds lists it at HK$70,454. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623828
Dimensions12.59 × 6.58 × 4.13 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.59 mm6.58 mm1.91 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623828
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.8%

Caratlytics Score

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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 30
Current: HK$70,454 HKD|Low: HK$8,630 HKD|High: HK$80,340 HKD|Avg: HK$24,539 HKD|-12.3%
Do Amore Diamonds
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 17HK$8,630 HKD
Retailer 6HK$8,889 HKD
Retailer 5HK$9,203 HKD
Retailer 14HK$10,592 HKD
Retailer 19HK$10,772 HKD
Retailer 20HK$12,945 HKD
Retailer 2HK$14,725 HKD
Retailer 15HK$15,413 HKD
Retailer 13HK$18,676 HKD
Retailer 11HK$19,042 HKD
Retailer 18HK$19,238 HKD
Retailer 7HK$21,372 HKD
Retailer 3HK$23,929 HKD
Retailer 8HK$28,099 HKD
Retailer 9HK$28,572 HKD
Retailer 4HK$29,387 HKD
Retailer 16HK$32,682 HKD
Retailer 12HK$32,756 HKD
Retailer 10HK$36,108 HKD
Do Amore DiamondsHK$70,454 HKD

34 data points across 20 retailers

22 retailersHK$7,932 HKD to HK$70,454 HKD

A
Cheapest Retailer
-
HK$7,932 HKD
$1,011 USD
A
Retailer 2
-
HK$8,630 HKD
$1,100 USD
View
A
Retailer 3
-
HK$8,889 HKD
$1,133 USD
View
Final sale: no returns
A
Retailer 4
-
HK$9,203 HKD
$1,173 USD
View
Retailer 5
-
HK$9,203 HKD
$1,173 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$10,592 HKD
$1,350 USD
View
A
Retailer 7
-
HK$10,772 HKD
$1,373 USD
View
A
Retailer 8
-
HK$12,945 HKD
$1,650 USD
View
A
Retailer 9
-
HK$14,725 HKD
£1,478 GBP
View
A
Retailer 10
-
HK$15,413 HKD
€1,871 EUR
View
B+
Retailer 11
-
HK$18,676 HKD
ZAR 38,455 ZAR
View
B+
Retailer 12
-
HK$19,042 HKD
$2,427 USD
View
B+
Retailer 13
-
HK$19,238 HKD
$2,452 USD
View
B+
Retailer 14
-
HK$21,372 HKD
$2,724 USD
View
B+
Retailer 15
-
HK$23,929 HKD
$3,050 USD
View
B+
Retailer 16
-
HK$28,099 HKD
£2,820 GBP
View
B+
Retailer 17
-
HK$28,572 HKD
$3,642 USD
View
B+
Retailer 18
-
HK$29,387 HKD
$3,746 USD
View
B+
Retailer 19
-
HK$32,682 HKD
£3,280 GBP
View
B
Retailer 20
-
HK$32,756 HKD
$4,175 USD
View
B
Retailer 21
-
HK$36,108 HKD
$4,602 USD
View
Most Expensive
B
Do Amore Diamonds
27-0B70763D2 · Oct 29
HK$70,454 HKD
$8,980 USD
View
21 more retailers have this diamond
Prices start from HK$7,932 HKDSave up to HK$62,522 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
1.91ct Marquise
HK$7,932 HKD