CaratHunter
Plans
Marquise|Lab Grown|IGI

1.00ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG749518151

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG749518151

Diamond specifications and retailer prices

From $642 USD
A$988 AUD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: $730 USD at Novita Diamonds · As of August 19, 2026
View at Novita Diamonds

About this 1ct lab-grown marquise diamond

This 1ct 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 LG749518151 or 749518151. Listed at 3 retailers as of October 29, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749518151
Dimensions10.23 × 5.22 × 3.25 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.23 mm5.22 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749518151
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $730 USD|Low: $196 USD|High: $2,380 USD|Avg: $903 USD
Novita 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
Retailer 21
Retailer 22
October 29, 2026
Retailer 20$196 USD
Retailer 8$339 USD
Retailer 22$410 USD
Retailer 13$433 USD
Retailer 3$441 USD
Retailer 14$450 USD
Retailer 12$560 USD
Retailer 19$560 USD
Retailer 16$579 USD
Retailer 2$642 USD
Retailer 18$673 USD
Retailer 17$713 USD
Novita Diamonds$730 USD
Retailer 5$980 USD
Retailer 11$1,052 USD
Retailer 9$1,157 USD
Retailer 21$1,219 USD
Retailer 7$1,256 USD
Retailer 10$1,343 USD
Retailer 6$1,800 USD
Retailer 15$1,856 USD
Retailer 4$2,380 USD

5 data points across 22 retailers

3 retailers

B+
Cheapest Retailer
-
$642 USD
A$988 AUD
B+
Retailer 2
-
$673 USD
£530 GBP
View
Price last confirmed 45 days ago
Most Expensive
B+
Novita Diamonds
cert_749518151 · Aug 19
$730 USD
A$1,123 AUD
View
Price last confirmed 71 days ago
2 more retailers have this diamond
Prices start from $642 USD

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.

B+
1.00ct Marquise
$642 USD