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Round|Lab Grown|IGI

0.55ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG671433746

Shape and cutting style on the report: Round brilliant

Certificate IGI LG671433746

Diamond specifications and retailer prices

From $123 USD
As of November 1, 2026
Save $1,028 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,151 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.55ct lab-grown round diamond

This 0.55ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG671433746 or 671433746. Listed at 15 retailers as of November 1, 2026, with prices from $123 to $1,151, a $1,028 spread on the same certified stone. MOH London lists it at $1,151. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671433746
Dimensions5.31 × 5.30 × 3.24 mm
L/W Ratio1.00
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
5.31 mm5.30 mm0.55 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671433746
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
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: $1,151 USD|Low: $111 USD|High: $1,163 USD|Avg: $301 USD
MOH London
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 1, 2026
Retailer 4$111 USD
Retailer 16$123 USD
Retailer 15$129 USD
Retailer 5$147 USD
Retailer 10$147 USD
Retailer 12$195 USD
Retailer 7$197 USD
Retailer 2$205 USD
Retailer 9$251 USD
Retailer 13$270 USD
Retailer 8$322 USD
Retailer 6$388 USD
Retailer 3$443 USD
Retailer 14$444 USD
Retailer 11$494 USD
MOH London$1,151 USD

24 data points across 16 retailers

15 retailers$123 USD to $1,151 USD

Retailer 1
-
$111 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$123 USD
View
Final sale: no returns
A
Retailer 3
-
$129 USD
View
A
Retailer 4
-
$147 USD
View
Retailer 5
-
$147 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$195 USD
View
A
Retailer 7
-
$205 USD
View
A
Retailer 8
-
$251 USD
€239 EUR
View
B+
Retailer 9
-
$270 USD
View
Retailer 10
-
$292 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
$388 USD
SGD 524 SGD
View
Retailer 12
-
$443 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$444 USD
View
B
Retailer 14
-
$494 USD
View
Most Expensive
B
MOH London
LG671433746 · Nov 1
$1,151 USD
£906 GBP
View
14 more retailers have this diamond
Prices start from $123 USDSave up to $1,028 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 Round
$123 USD