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Round|Lab Grown|IGI

5.57ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG844649590

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844649590

Diamond specifications and retailer prices

From $973 USD
HK$7,600 HKD
As of October 31, 2026
Save $3,997 USD (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,970 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.57ct lab-grown round diamond

This 5.57ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG844649590 or 844649590. Listed at 7 retailers as of October 28, 2026, with prices from $973 to $4,970, a $3,997 spread on the same certified stone. Rare Carat lists it at $4,970. 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

5.57
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844649590
Dimensions11.27 × 11.33 × 7.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.27 mm11.33 mm5.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844649590
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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 31
Current: $4,970 USD|Low: $973 USD|High: $4,970 USD|Avg: $2,001 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 7$973 USD
Retailer 2$1,304 USD
Retailer 5$1,326 USD
Retailer 3$1,326 USD
Retailer 6$2,670 USD
Retailer 4$3,222 USD
Rare Carat$4,970 USD

9 data points across 7 retailers

7 retailers$973 USD to $4,970 USD

A
Cheapest Retailer
-
$973 USD
HK$7,600 HKD
B+
Retailer 2
-
$1,304 USD
£1,027 GBP
View
B+
Retailer 3
-
$1,326 USD
View
A
Retailer 4
-
$1,326 USD
€1,263 EUR
View
B
Retailer 5
-
$2,670 USD
View
B
Retailer 6
-
$3,222 USD
£2,537 GBP
View
Most Expensive
B
Rare Carat
KI5906495KF844 · Oct 28
$4,970 USD
View
6 more retailers have this diamond
Prices start from $973 USDSave up to $3,997 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
5.57ct Round
$973 USD