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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG643452185

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG643452185

Diamond specifications and retailer prices

From €214 EUR
$239 USD
As of October 30, 2026
Save €1,084 EUR (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €1,325 EUR at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 LG643452185 or 643452185. Listed at 26 retailers as of October 30, 2026, with a 507% 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

1.05
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643452185
Dimensions10.71 × 5.30 × 3.31 mm
L/W Ratio2.02
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
10.71 mm5.30 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643452185
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: €1,325 EUR|Low: €214 EUR|High: €2,282 EUR|Avg: €716 EUR|-1.0%
Novita Diamonds
Retailer 2
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Retailer 24
November 1, 2026
Retailer 5€214 EUR
Retailer 13€239 EUR
Retailer 24€249 EUR
Retailer 4€266 EUR
Retailer 11€309 EUR
Retailer 10€376 EUR
Retailer 22€445 EUR
Retailer 2€459 EUR
Retailer 8€474 EUR
Retailer 19€503 EUR
Retailer 12€538 EUR
Retailer 15€583 EUR
Retailer 20€598 EUR
Retailer 23€648 EUR
Retailer 16€750 EUR
Retailer 6€854 EUR
Retailer 7€857 EUR
Retailer 14€901 EUR
Retailer 17€978 EUR
Retailer 18€1,065 EUR
Retailer 3€1,146 EUR
Retailer 9€1,181 EUR
Retailer 21€1,298 EUR
Novita Diamonds€1,325 EUR

32 data points across 24 retailers

26 retailers€214 EUR to €1,298 EUR

A+
Cheapest Retailer
-
€214 EUR
$239 USD
A
Retailer 2
-
€239 EUR
$267 USD
View
Final sale: no returns
A
Retailer 3
-
€249 EUR
$278 USD
View
A
Retailer 4
-
€266 EUR
$297 USD
View
A
Retailer 5
-
€309 EUR
HK$2,700 HKD
View
A
Retailer 6
-
€376 EUR
$420 USD
View
A
Retailer 7
-
€445 EUR
View
A
Retailer 8
-
€459 EUR
ZAR 8,282 ZAR
View
A
Retailer 9
-
€474 EUR
$529 USD
View
Retailer 10
-
€491 EUR
£432 GBP
View
Price last confirmed 17 days ago
A
Retailer 11
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€503 EUR
£443 GBP
View
A
Retailer 12
-
€538 EUR
$601 USD
View
Retailer 13
-
€583 EUR
$651 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
€598 EUR
A$1,028 AUD
View
B+
Retailer 15
-
€648 EUR
A$1,114 AUD
View
B+
Retailer 16
-
€750 EUR
SGD 1,133 SGD
View
B+
Retailer 17
-
€854 EUR
$954 USD
View
B+
Retailer 18
-
€857 EUR
$958 USD
View
B+
Retailer 19
-
€901 EUR
$1,007 USD
View
B
Retailer 20
-
€978 EUR
$1,093 USD
View
B+
Retailer 21
-
€1,065 EUR
£937 GBP
View
B
Retailer 22
-
€1,146 EUR
$1,280 USD
View
B
Retailer 23
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€1,181 EUR
$1,320 USD
View
Retailer 24
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€1,189 EUR
$1,328 USD
View
Price last confirmed 84 days ago
B
Retailer 25
-
€1,298 EUR
$1,450 USD
View
Most Expensive
Novita Diamonds
cert_643452185 · Oct 8
€1,325 EUR
A$2,277 AUD
View
Price last confirmed 24 days ago
25 more retailers have this diamond
Prices start from €214 EURSave up to €1,084 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
€214 EUR