Round|Lab Grown|IGI

5.50ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG804660174

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804660174

Diamond specifications and retailer prices

From $5,373 USD
As of October 29, 2026
Save $31,597 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $36,970 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.5ct lab-grown round diamond

This 5.5ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804660174 or 804660174. Listed at 16 retailers as of October 29, 2026, with prices from $5,373 to $36,970, a $31,597 spread on the same certified stone. Do Amore Diamonds lists it at $36,970. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.50
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660174
Dimensions11.34 × 11.31 × 6.98 mm
L/W Ratio1.00
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
11.34 mm11.31 mm5.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660174
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 29
Current: $36,970 USD|Low: $5,373 USD|High: $43,070 USD|Avg: $13,724 USD|-14.2%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 31, 2026
Retailer 17$5,373 USD
Retailer 6$5,631 USD
Retailer 3$5,675 USD
Retailer 12$6,408 USD
Retailer 14$6,410 USD
Retailer 4$7,676 USD
Retailer 8$8,127 USD
Retailer 5$8,167 USD
Retailer 7$8,531 USD
Retailer 13$8,785 USD
Retailer 16$9,628 USD
Retailer 2$11,995 USD
Retailer 11$14,074 USD
Retailer 9$15,443 USD
Retailer 10$20,410 USD
Retailer 15$20,980 USD
Do Amore Diamonds$36,970 USD

35 data points across 17 retailers

16 retailers$5,373 USD to $36,970 USD

A+
Cheapest Retailer
-
$5,373 USD
A
Retailer 2
-
$5,631 USD
View
A
Retailer 3
-
$5,675 USD
View
A
Retailer 4
-
$5,767 USD
View
A
Retailer 5
-
$6,410 USD
View
A
Retailer 6
-
$7,676 USD
View
A
Retailer 7
-
$8,127 USD
View
Final sale: no returns
A
Retailer 8
-
$8,167 USD
View
A
Retailer 9
-
$8,531 USD
View
A
Retailer 10
-
$8,785 USD
View
A
Retailer 11
-
$9,628 USD
View
A
Retailer 12
-
$11,995 USD
€11,424 EUR
View
A
Retailer 13
-
$14,074 USD
£11,082 GBP
View
B+
Retailer 14
-
$20,410 USD
View
B+
Retailer 15
-
$20,980 USD
View
Most Expensive
B
Do Amore Diamonds
27-E85AD79B2 · Oct 31
$36,970 USD
View
15 more retailers have this diamond
Prices start from $5,373 USDSave up to $31,597 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+
5.50ct Round
$5,373 USD