CaratHunter
Plans
Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG726537706

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG726537706

Diamond specifications and retailer prices

From €254 EUR
$285 USD
As of November 2, 2026
Save €1,574 EUR (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,828 EUR at Brilliant Earth · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG726537706 or 726537706. Listed at 25 retailers as of October 31, 2026, with prices from €254 to €1,828, a €1,574 spread on the same certified stone. Brilliant Earth lists it at €1,828. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726537706
Dimensions10.45 × 5.25 × 3.29 mm
L/W Ratio1.99
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
10.45 mm5.25 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726537706
Side View
Table 58.0%Crown 32.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.7%

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: €1,828 EUR|Low: €244 EUR|High: €2,229 EUR|Avg: €753 EUR|-18.0%
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
November 2, 2026
Retailer 7€254 EUR
Retailer 8€295 EUR
Retailer 4€316 EUR
Retailer 6€316 EUR
Retailer 2€325 EUR
Retailer 16€428 EUR
Retailer 3€535 EUR
Retailer 10€544 EUR
Retailer 9€553 EUR
Retailer 14€578 EUR
Retailer 12€761 EUR
Retailer 15€768 EUR
Retailer 5€1,015 EUR
Retailer 11€1,265 EUR
Retailer 13€1,288 EUR
Brilliant Earth€1,828 EUR

36 data points across 16 retailers

25 retailers€254 EUR to €1,828 EUR

A
Cheapest Retailer
-
€254 EUR
$285 USD
A
Retailer 2
-
€284 EUR
$319 USD
View
Final sale: no returns
A
Retailer 3
-
€295 EUR
$331 USD
View
A
Retailer 4
-
€316 EUR
$354 USD
View
Retailer 5
-
€316 EUR
$354 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€325 EUR
£287 GBP
View
A
Retailer 7
-
€354 EUR
HK$3,100 HKD
View
A
Retailer 8
-
€426 EUR
$478 USD
View
A
Retailer 9
-
€428 EUR
$480 USD
View
A
Retailer 10
-
€530 EUR
$595 USD
View
A
Retailer 11
-
€533 EUR
$598 USD
View
A
Retailer 12
-
€535 EUR
View
A
Retailer 13
-
€544 EUR
ZAR 9,858 ZAR
View
A
Retailer 14
-
€553 EUR
£488 GBP
View
B+
Retailer 15
-
€578 EUR
A$998 AUD
View
B+
Retailer 16
-
€761 EUR
$853 USD
View
B+
Retailer 17
-
€768 EUR
A$1,325 AUD
View
B+
Retailer 18
-
€846 EUR
SGD 1,283 SGD
View
Retailer 19
-
€969 EUR
$1,087 USD
View
Price last confirmed 11 days ago
B+
Retailer 20
-
€1,015 EUR
$1,138 USD
View
B
Retailer 21
-
€1,058 EUR
$1,187 USD
View
B+
Retailer 22
-
€1,265 EUR
£1,117 GBP
View
B+
Retailer 23
-
€1,288 EUR
A$2,222 AUD
View
B
Retailer 24
-
€1,307 EUR
$1,466 USD
View
Most Expensive
B
Brilliant Earth
15880070A · Oct 31
€1,828 EUR
$2,050 USD
View
24 more retailers have this diamond
Prices start from €254 EURSave up to €1,574 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
€254 EUR