Round|Lab Grown|IGI

0.98ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG643430293

Shape and cutting style on the report: Round brilliant

Certificate IGI LG643430293

Diamond specifications and retailer prices

From $380 USD
As of October 25, 2026
11 retailers carry this diamond
Most expensive: $395 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 0.98ct lab-grown round diamond

This 0.98ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG643430293 or 643430293. Listed at 11 retailers as of October 25, 2026, with a relatively tight 0% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

0.98
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643430293
Dimensions6.39 × 6.48 × 3.85 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
6.39 mm6.48 mm0.98 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643430293
Side View
Table 60.0%Crown 33.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $395 USD|Low: $395 USD|High: $405 USD|Avg: $400 USD|-2.5%
October 18, 2026
Rare Carat$395 USD

3 data points across 1 retailer

11 retailers$380 USD to $380 USD

B+
Cheapest Retailer
-
$380 USD
B+
Retailer 2
-
$380 USD
View
B+
Retailer 3
-
$380 USD
View
B+
Retailer 4
-
$380 USD
View
B+
Retailer 5
-
$380 USD
View
B+
Retailer 6
-
$380 USD
View
B+
Retailer 7
-
$380 USD
View
B+
Retailer 8
-
$380 USD
View
B+
Retailer 9
-
$385 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$390 USD
View
Price last confirmed 36 days ago
Most Expensive
B+
Rare Carat
F-550-444_l_727519412 · Oct 21
$395 USD
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from $380 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.

B+
0.98ct Round
$380 USD