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Round|Lab Grown|IGI

2.10ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG618450222

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618450222

Diamond specifications and retailer prices

From $736 AUD
As of November 4, 2026
Save $1,321 AUD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,128 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.1ct lab-grown round diamond

This 2.1ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618450222 or 618450222. Listed at 14 retailers as of November 4, 2026, with a 180% 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

2.10
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618450222
Dimensions8.25 × 8.23 × 5.05 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
8.25 mm8.23 mm2.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618450222
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

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: Nov 4
Current: $2,128 AUD|Low: $441 AUD|High: $2,271 AUD|Avg: $1,117 AUD|-6.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4$441 AUD
Retailer 7$736 AUD
Retailer 8$770 AUD
Retailer 10$777 AUD
Retailer 3$844 AUD
Retailer 5$899 AUD
Retailer 12$907 AUD
Retailer 11$1,027 AUD
Retailer 6$1,543 AUD
Retailer 9$1,581 AUD
Retailer 2$2,057 AUD
Brilliant Earth$2,128 AUD

37 data points across 12 retailers

14 retailers$736 AUD to $2,057 AUD

Retailer 1
-
$356 AUD
Price last confirmed 45 days ago
Retailer 2
-
$413 AUD
View
Price last confirmed 45 days ago
Retailer 3
-
$436 AUD
View
Price last confirmed 40 days ago
A
Retailer 4
-
$736 AUD
View
A
Retailer 5
-
$770 AUD
View
B+
Retailer 6
-
$844 AUD
View
B+
Retailer 7
-
$899 AUD
View
A
Retailer 8
-
$907 AUD
View
B+
Retailer 9
-
$1,027 AUD
View
Retailer 10
-
$1,420 AUD
View
Price last confirmed 41 days ago
B+
Retailer 11
-
$1,543 AUD
View
B
Retailer 12
-
$1,581 AUD
View
B
Retailer 13
-
$2,057 AUD
View
Most Expensive
Brilliant Earth
9016762A · Oct 28
$2,128 AUD
$1,490 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $736 AUDSave up to $1,321 AUD

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
2.10ct Round
$736 AUD