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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG799631335

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799631335

Diamond specifications and retailer prices

From €285 EUR
$318 USD
As of November 1, 2026
Save €1,497 EUR (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,781 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG799631335 or 799631335. Listed at 25 retailers as of October 31, 2026, with prices from €285 to €1,781, a €1,497 spread on the same certified stone. Brilliant Earth lists it at €1,781. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799631335
Dimensions10.60 × 5.37 × 3.28 mm
L/W Ratio1.97
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
10.60 mm5.37 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799631335
Side View
Table 59.0%Crown 32.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,781 EUR|Low: €244 EUR|High: €2,282 EUR|Avg: €723 EUR|-22.0%
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
November 1, 2026
Retailer 4€255 EUR
Retailer 3€316 EUR
Retailer 7€316 EUR
Retailer 2€325 EUR
Retailer 6€425 EUR
Retailer 9€456 EUR
Retailer 10€519 EUR
Retailer 14€543 EUR
Retailer 8€558 EUR
Retailer 12€581 EUR
Retailer 13€769 EUR
Retailer 15€970 EUR
Retailer 11€1,272 EUR
Retailer 5€1,325 EUR
Brilliant Earth€1,781 EUR

34 data points across 15 retailers

25 retailers€285 EUR to €1,781 EUR

Retailer 1
-
€255 EUR
$285 USD
Price last confirmed 25 days ago
A
Retailer 2
-
€285 EUR
$318 USD
View
Final sale: no returns
Retailer 3
-
€295 EUR
$330 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€316 EUR
$353 USD
View
Price last confirmed 8 days ago
Retailer 5
-
€316 EUR
$353 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
€325 EUR
£286 GBP
View
A
Retailer 7
-
€425 EUR
$475 USD
View
A
Retailer 8
-
€456 EUR
$510 USD
View
A
Retailer 9
-
€519 EUR
View
A
Retailer 10
-
€533 EUR
$595 USD
View
A
Retailer 11
-
€543 EUR
ZAR 9,793 ZAR
View
A
Retailer 12
-
€551 EUR
$616 USD
View
A
Retailer 13
-
€558 EUR
£491 GBP
View
B+
Retailer 14
-
€581 EUR
A$998 AUD
View
B+
Retailer 15
-
€769 EUR
A$1,321 AUD
View
B+
Retailer 16
-
€808 EUR
$903 USD
View
B+
Retailer 17
-
€846 EUR
SGD 1,277 SGD
View
B+
Retailer 18
-
€970 EUR
$1,084 USD
View
Retailer 19
-
€1,015 EUR
$1,134 USD
View
Price last confirmed 32 days ago
B
Retailer 20
-
€1,060 EUR
$1,184 USD
View
B
Retailer 21
-
€1,228 EUR
£1,080 GBP
View
B+
Retailer 22
-
€1,272 EUR
£1,119 GBP
View
B
Retailer 23
-
€1,310 EUR
$1,463 USD
View
Retailer 24
-
€1,325 EUR
A$2,277 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
20485595A · Oct 31
€1,781 EUR
$1,990 USD
View
24 more retailers have this diamond
Prices start from €285 EURSave up to €1,497 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
1.05ct Marquise
€285 EUR