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Radiant|Lab Grown|IGI

2.15ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG705508533

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG705508533

Diamond specifications and retailer prices

From $689 AUD
$484 USD
As of October 28, 2026
Save $3,368 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,057 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.15ct lab-grown radiant diamond

This 2.15ct lab-grown radiant 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 LG705508533 or 705508533. Listed at 18 retailers as of October 28, 2026, with prices from $689 to $4,057, a $3,368 spread on the same certified stone. Brilliant Earth lists it at $4,057. 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

2.15
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG705508533
Dimensions9.00 × 6.31 × 4.31 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.00 mm6.31 mm2.15 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG705508533
Side View
Table 62.0%Crown 37.2°Girdle: ThickPavilion 35°Culet: NoneDepth 68.3%

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: Oct 28
Current: $4,057 AUD|Low: $491 AUD|High: $4,185 AUD|Avg: $1,632 AUD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 14$592 AUD
Retailer 3$689 AUD
Retailer 12$766 AUD
Retailer 13$766 AUD
Retailer 7$838 AUD
Retailer 8$968 AUD
Retailer 5$1,076 AUD
Retailer 15$1,142 AUD
Retailer 11$1,204 AUD
Retailer 2$1,260 AUD
Retailer 10$2,147 AUD
Retailer 4$2,507 AUD
Retailer 6$2,761 AUD
Retailer 9$2,817 AUD
Brilliant Earth$4,057 AUD

41 data points across 15 retailers

18 retailers$689 AUD to $4,057 AUD

Retailer 1
-
$592 AUD
$416 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$689 AUD
$484 USD
View
Final sale: no returns
Retailer 3
-
$692 AUD
$486 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$766 AUD
$538 USD
View
Retailer 5
-
$766 AUD
$538 USD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
$838 AUD
HK$4,600 HKD
View
A
Retailer 7
-
$968 AUD
$680 USD
View
B+
Retailer 8
-
$1,076 AUD
$756 USD
View
B+
Retailer 9
-
$1,142 AUD
$802 USD
View
B+
Retailer 10
-
$1,204 AUD
$846 USD
View
B+
Retailer 11
-
$1,260 AUD
£697 GBP
View
B
Retailer 12
-
$2,147 AUD
$1,508 USD
View
Retailer 13
-
$2,461 AUD
$1,729 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$2,461 AUD
$1,729 USD
View
B
Retailer 15
-
$2,507 AUD
$1,761 USD
View
B
Retailer 16
-
$2,761 AUD
$1,939 USD
View
B
Retailer 17
-
$2,817 AUD
£1,558 GBP
View
Most Expensive
B
Brilliant Earth
14317314A · Oct 29
$4,057 AUD
$2,850 USD
View
17 more retailers have this diamond
Prices start from $689 AUDSave up to $3,368 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
2.15ct Radiant
$689 AUD