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Marquise|Lab Grown|IGI

0.55ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG752506256

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752506256

Diamond specifications and retailer prices

From $92 USD
As of November 2, 2026
Save $759 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $851 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 0.55ct lab-grown marquise diamond

This 0.55ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG752506256 or 752506256. Listed at 16 retailers as of November 1, 2026, with prices from $92 to $851, a $759 spread on the same certified stone. Reve Diamonds lists it at $851. 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

0.55
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752506256
Dimensions8.16 × 4.17 × 2.74 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
8.16 mm4.17 mm0.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG752506256
Side View
Table 61.0%Crown 36.1°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 65.7%

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 2
Current: $215 USD|Low: $83 USD|High: $1,121 USD|Avg: $335 USD|-10.5%
Retailer 1
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
Reve Diamonds
November 2, 2026
Retailer 14$92 USD
Retailer 2$102 USD
Retailer 4$107 USD
Retailer 10$122 USD
Retailer 12$122 USD
Retailer 7$205 USD
Retailer 1$215 USD
Retailer 3$239 USD
Retailer 5$252 USD
Retailer 9$277 USD
Retailer 11$369 USD
Retailer 6$410 USD
Retailer 13$411 USD
Retailer 15$423 USD
Retailer 8$843 USD
Reve Diamonds$851 USD

30 data points across 16 retailers

16 retailers$92 USD to $851 USD

A
Cheapest Retailer
-
$92 USD
A
Retailer 2
-
$102 USD
View
Final sale: no returns
A
Retailer 3
-
$107 USD
View
A
Retailer 4
-
$122 USD
View
Retailer 5
-
$122 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$205 USD
View
Price last confirmed 25 days ago
A
Retailer 7
-
$215 USD
£170 GBP
View
A
Retailer 8
-
$239 USD
View
B+
Retailer 9
-
$277 USD
£218 GBP
View
Retailer 10
-
$286 USD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$369 USD
View
Retailer 12
-
$410 USD
View
Price last confirmed 19 days ago
B
Retailer 13
-
$411 USD
View
B
Retailer 14
-
$423 USD
View
B
Retailer 15
-
$843 USD
£664 GBP
View
Most Expensive
B
Reve Diamonds
33A3C1331 · Nov 1
$851 USD
View
15 more retailers have this diamond
Prices start from $92 USDSave up to $759 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.

A
0.55ct Marquise
$92 USD