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Marquise|Lab Grown|IGI

1.53ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG809685426

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809685426

Diamond specifications and retailer prices

From €339 EUR
As of October 27, 2026
Save €1,177 EUR (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,516 EUR at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.53ct lab-grown marquise diamond

This 1.53ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG809685426 or 809685426. Listed at 16 retailers as of October 27, 2026, with prices from €339 to €1,516, a €1,177 spread on the same certified stone. Brilliant Earth lists it at €1,516. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809685426
Dimensions11.84 × 5.94 × 3.74 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm5.94 mm1.53 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG809685426
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €1,516 EUR|Low: €163 EUR|High: €1,560 EUR|Avg: €644 EUR|-2.9%
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
October 27, 2026
Retailer 11€175 EUR
Retailer 3€263 EUR
Retailer 6€337 EUR
Retailer 2€339 EUR
Retailer 4€348 EUR
Retailer 10€414 EUR
Retailer 8€473 EUR
Retailer 7€494 EUR
Retailer 12€674 EUR
Retailer 13€829 EUR
Retailer 5€859 EUR
Retailer 9€996 EUR
Brilliant Earth€1,516 EUR

32 data points across 13 retailers

16 retailers€339 EUR to €1,516 EUR

Retailer 1
-
€210 EUR
$236 USD
Price last confirmed 25 days ago
Retailer 2
-
€244 EUR
$274 USD
View
Price last confirmed 34 days ago
Retailer 3
-
€261 EUR
$293 USD
View
Price last confirmed 30 days ago
Retailer 4
-
€263 EUR
$295 USD
View
Price last confirmed 10 days ago
Retailer 5
-
€337 EUR
£298 GBP
View
Price last confirmed 9 days ago
A
Retailer 6
-
€339 EUR
View
Retailer 7
-
€348 EUR
£307 GBP
View
Price last confirmed 17 days ago
Retailer 8
-
€414 EUR
$464 USD
View
Price last confirmed 10 days ago
Retailer 9
-
€473 EUR
$531 USD
View
Price last confirmed 10 days ago
Retailer 10
-
€494 EUR
$554 USD
View
Price last confirmed 9 days ago
Retailer 11
-
€674 EUR
$756 USD
View
Price last confirmed 10 days ago
Retailer 12
-
€829 EUR
$930 USD
View
Price last confirmed 15 days ago
Retailer 13
-
€838 EUR
$940 USD
View
Price last confirmed 33 days ago
Retailer 14
-
€859 EUR
£759 GBP
View
Price last confirmed 18 days ago
Retailer 15
-
€996 EUR
$1,117 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20610791A · Oct 27
€1,516 EUR
$1,700 USD
View
15 more retailers have this diamond
Prices start from €339 EURSave up to €1,177 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
1.53ct Marquise
€339 EUR