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Radiant|Lab Grown|IGI

2.61ct E SI1 Radiant Lab Grown Diamond

GD • E/SI1 • IGI LG830691879

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

Certificate IGI LG830691879

Diamond specifications and retailer prices

From $440 AUD
$309 USD
As of October 30, 2026
Save $1,757 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,911 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 2.61ct lab-grown radiant diamond

This 2.61ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG830691879 or 830691879. Listed at 10 retailers as of October 29, 2026, with a 399% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.61
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830691879
Dimensions9.33 × 6.85 × 4.67 mm
L/W Ratio1.36
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm6.85 mm2.61 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830691879
Side View
Table 66.0%Crown 45°Girdle: MediumPavilion 36.1°Culet: NoneDepth 68.2%

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 30
Current: $2,911 AUD|Low: $421 AUD|High: $2,968 AUD|Avg: $1,550 AUD|-1.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$440 AUD
Retailer 6$510 AUD
Retailer 2$682 AUD
Retailer 3$882 AUD
Retailer 7$1,674 AUD
Retailer 5$1,680 AUD
Retailer 9$1,752 AUD
Retailer 10$2,178 AUD
Retailer 4$2,197 AUD
Rare Carat$2,911 AUD

33 data points across 10 retailers

10 retailers$440 AUD to $2,197 AUD

A
Cheapest Retailer
-
$440 AUD
$309 USD
A
Retailer 2
-
$510 AUD
$358 USD
View
A
Retailer 3
-
$682 AUD
£377 GBP
View
A
Retailer 4
-
$882 AUD
€590 EUR
View
B
Retailer 5
-
$1,674 AUD
$1,176 USD
View
B
Retailer 6
-
$1,680 AUD
$1,180 USD
View
B+
Retailer 7
-
$1,752 AUD
$1,231 USD
View
Retailer 8
-
$2,178 AUD
SGD 2,067 SGD
View
Price last confirmed 19 days ago
B
Retailer 9
-
$2,197 AUD
£1,215 GBP
View
Most Expensive
Rare Carat
LGRA20-138909 · Oct 21
$2,911 AUD
$2,045 USD
View
Price last confirmed 11 days ago
9 more retailers have this diamond
Prices start from $440 AUDSave up to $1,757 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
2.61ct Radiant
$440 AUD