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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG630456349

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG630456349

Diamond specifications and retailer prices

From HK$2,150 HKD
$274 USD
As of October 31, 2026
Save HK$8,368 HKD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$13,652 HKD at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG630456349 or 630456349. Listed at 22 retailers as of October 30, 2026, with a 389% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630456349
Dimensions10.30 × 5.29 × 3.36 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
10.30 mm5.29 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630456349
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.5%

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 31
Current: HK$13,652 HKD|Low: HK$2,150 HKD|High: HK$13,652 HKD|Avg: HK$5,674 HKD
Brilliant Earth
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
October 31, 2026
Retailer 12HK$2,150 HKD
Retailer 3HK$2,393 HKD
Retailer 5HK$2,711 HKD
Retailer 9HK$3,217 HKD
Retailer 15HK$4,112 HKD
Retailer 18HK$4,119 HKD
Retailer 7HK$4,205 HKD
Retailer 11HK$4,354 HKD
Retailer 2HK$4,509 HKD
Retailer 19HK$4,676 HKD
Retailer 16HK$5,839 HKD
Retailer 13HK$5,963 HKD
Retailer 10HK$6,421 HKD
Retailer 6HK$7,697 HKD
Retailer 8HK$8,101 HKD
Retailer 17HK$8,358 HKD
Retailer 14HK$9,645 HKD
Retailer 4HK$10,518 HKD
Brilliant EarthHK$13,652 HKD

41 data points across 19 retailers

22 retailersHK$2,150 HKD to HK$10,518 HKD

Retailer 1
-
HK$1,930 HKD
$246 USD
Price last confirmed 12 days ago
A
Retailer 2
-
HK$2,150 HKD
$274 USD
View
Final sale: no returns
Retailer 3
-
HK$2,393 HKD
$305 USD
View
Price last confirmed 14 days ago
Retailer 4
-
HK$2,393 HKD
$305 USD
View
Price last confirmed 11 days ago
Retailer 5
-
HK$2,416 HKD
$308 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
HK$2,711 HKD
View
A
Retailer 7
-
HK$3,217 HKD
$410 USD
View
A
Retailer 8
-
HK$4,112 HKD
ZAR 8,468 ZAR
View
A
Retailer 9
-
HK$4,119 HKD
€500 EUR
View
A
Retailer 10
-
HK$4,205 HKD
$536 USD
View
A
Retailer 11
-
HK$4,509 HKD
£453 GBP
View
A
Retailer 12
-
HK$4,676 HKD
$596 USD
View
B+
Retailer 13
-
HK$5,839 HKD
A$1,145 AUD
View
B+
Retailer 14
-
HK$5,963 HKD
$760 USD
View
B+
Retailer 15
-
HK$6,018 HKD
$767 USD
View
B+
Retailer 16
-
HK$6,421 HKD
SGD 1,106 SGD
View
Retailer 17
-
HK$7,697 HKD
$981 USD
View
Price last confirmed 11 days ago
B+
Retailer 18
-
HK$8,101 HKD
$1,033 USD
View
B+
Retailer 19
-
HK$8,358 HKD
A$1,639 AUD
View
B+
Retailer 20
-
HK$9,645 HKD
£968 GBP
View
B
Retailer 21
-
HK$10,518 HKD
$1,341 USD
View
Most Expensive
Brilliant Earth
14010213A · Oct 17
HK$13,652 HKD
$1,740 USD
View
Price last confirmed 14 days ago
21 more retailers have this diamond
Prices start from HK$2,150 HKDSave up to HK$8,368 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
1.03ct Marquise
HK$2,150 HKD