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 €245 EUR
$274 USD
As of October 31, 2026
Save €955 EUR (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,557 EUR 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
Color
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: €1,557 EUR|Low: €245 EUR|High: €1,557 EUR|Avg: €649 EUR
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
November 1, 2026
Retailer 12€245 EUR
Retailer 3€273 EUR
Retailer 5€309 EUR
Retailer 9€367 EUR
Retailer 15€469 EUR
Retailer 18€470 EUR
Retailer 7€480 EUR
Retailer 11€497 EUR
Retailer 2€519 EUR
Retailer 19€533 EUR
Retailer 16€666 EUR
Retailer 13€680 EUR
Retailer 10€733 EUR
Retailer 6€878 EUR
Retailer 8€924 EUR
Retailer 17€954 EUR
Retailer 14€1,100 EUR
Retailer 4€1,200 EUR
Brilliant Earth€1,557 EUR

42 data points across 19 retailers

22 retailers€245 EUR to €1,200 EUR

Retailer 1
-
€220 EUR
$246 USD
Price last confirmed 13 days ago
A
Retailer 2
-
€245 EUR
$274 USD
View
Final sale: no returns
Retailer 3
-
€273 EUR
$305 USD
View
Price last confirmed 15 days ago
Retailer 4
-
€273 EUR
$305 USD
View
Price last confirmed 12 days ago
Retailer 5
-
€276 EUR
$308 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
€309 EUR
HK$2,700 HKD
View
A
Retailer 7
-
€367 EUR
$410 USD
View
A
Retailer 8
-
€469 EUR
ZAR 8,468 ZAR
View
A
Retailer 9
-
€470 EUR
View
A
Retailer 10
-
€480 EUR
$536 USD
View
A
Retailer 11
-
€519 EUR
£456 GBP
View
A
Retailer 12
-
€533 EUR
$596 USD
View
B+
Retailer 13
-
€666 EUR
A$1,145 AUD
View
B+
Retailer 14
-
€680 EUR
$760 USD
View
B+
Retailer 15
-
€687 EUR
$767 USD
View
B+
Retailer 16
-
€733 EUR
SGD 1,106 SGD
View
Retailer 17
-
€878 EUR
$981 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
€924 EUR
$1,033 USD
View
B+
Retailer 19
-
€954 EUR
A$1,639 AUD
View
B+
Retailer 20
-
€1,100 EUR
£968 GBP
View
B
Retailer 21
-
€1,200 EUR
$1,341 USD
View
Most Expensive
Brilliant Earth
14010213A · Oct 17
€1,557 EUR
$1,740 USD
View
Price last confirmed 14 days ago
21 more retailers have this diamond
Prices start from €245 EURSave up to €955 EUR

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
€245 EUR