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Round|Lab Grown|IGI

5.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG742551623

Shape and cutting style on the report: Round brilliant

Certificate IGI LG742551623

Diamond specifications and retailer prices

From $997 USD
As of October 29, 2026
Save $2,946 USD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,036 USD at Michael Trio · As of October 13, 2026
View at Michael Trio

About this 5.53ct lab-grown round diamond

This 5.53ct lab-grown round sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG742551623 or 742551623. Listed at 10 retailers as of October 29, 2026, with a 296% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.53
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742551623
Dimensions11.55 × 11.47 × 6.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.55 mm11.47 mm5.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742551623
Side View
Table 62.0%Crown 32.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
A
Excellent
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 29
Current: $5,036 USD|Low: $992 USD|High: $5,118 USD|Avg: $2,212 USD|+2.1%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9$997 USD
Retailer 2$1,001 USD
Retailer 7$1,085 USD
Retailer 11$1,596 USD
Retailer 5$1,846 USD
Retailer 3$1,851 USD
Retailer 10$2,168 USD
Retailer 8$2,493 USD
Retailer 6$2,495 USD
Retailer 4$3,943 USD
Michael Trio$5,036 USD

39 data points across 11 retailers

10 retailers$997 USD to $3,943 USD

A
Cheapest Retailer
-
$997 USD
A
Retailer 2
-
$1,001 USD
£788 GBP
View
A
Retailer 3
-
$1,085 USD
View
B+
Retailer 4
-
$1,596 USD
View
B+
Retailer 5
-
$1,846 USD
€1,758 EUR
View
B+
Retailer 6
-
$2,168 USD
View
B
Retailer 7
-
$2,493 USD
View
B
Retailer 8
-
$2,495 USD
View
B
Retailer 9
-
$3,943 USD
£3,105 GBP
View
Most Expensive
Michael Trio
1786396128 · Oct 13
$5,036 USD
SGD 6,806 SGD
View
Price last confirmed 17 days ago
9 more retailers have this diamond
Prices start from $997 USDSave up to $2,946 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
5.53ct Round
$997 USD