Radiant|Lab Grown|IGI

9.00ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG683582577

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

Certificate IGI LG683582577

Diamond specifications and retailer prices

From $3,611 AUD
€2,416 EUR
As of October 23, 2026
Save $3,674 AUD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,310 AUD at Adiamor · As of October 19, 2026
View at Adiamor

About this 9ct lab-grown radiant diamond

This 9ct lab-grown radiant 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 LG683582577 or 683582577. Listed at 14 retailers as of October 23, 2026, with a 102% 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

9.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683582577
Dimensions15.42 × 9.65 × 7.11 mm
L/W Ratio1.60
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.42 mm9.65 mm9.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683582577
Side View
Table 62.0%Crown 32.5°Girdle: ThickPavilion 34.8°Culet: NoneDepth 73.7%

Caratlytics Score

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

Price History

Last verified: Oct 23
Current: $9,310 AUD|Low: $2,101 AUD|High: $9,310 AUD|Avg: $5,396 AUD
Adiamor
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
October 23, 2026
Retailer 14$2,101 AUD
Retailer 13$2,176 AUD
Retailer 12$2,420 AUD
Retailer 9$2,604 AUD
Retailer 8$3,145 AUD
Retailer 3$3,443 AUD
Retailer 2$3,611 AUD
Retailer 10$4,058 AUD
Retailer 11$6,464 AUD
Retailer 7$7,032 AUD
Retailer 5$7,285 AUD
Retailer 6$7,646 AUD
Retailer 4$8,377 AUD
Adiamor$9,310 AUD

23 data points across 14 retailers

14 retailers$3,611 AUD to $7,285 AUD

Retailer 1
-
$2,176 AUD
$1,529 USD
Price last confirmed 17 days ago
Retailer 2
-
$2,420 AUD
$1,700 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$2,604 AUD
£1,440 GBP
View
Price last confirmed 13 days ago
Retailer 4
-
$3,145 AUD
£1,740 GBP
View
Price last confirmed 11 days ago
Retailer 5
-
$3,443 AUD
$2,419 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$3,611 AUD
€2,416 EUR
View
Retailer 7
-
$4,058 AUD
$2,851 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$4,081 AUD
$2,867 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$6,464 AUD
$4,541 USD
View
Price last confirmed 10 days ago
Retailer 10
-
$7,032 AUD
£3,890 GBP
View
Price last confirmed 10 days ago
B
Retailer 11
-
$7,285 AUD
SGD 6,916 SGD
View
Retailer 12
-
$7,646 AUD
$5,372 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$8,377 AUD
$5,885 USD
View
Price last confirmed 25 days ago
Most Expensive
Adiamor
D-67475598 · Oct 19
$9,310 AUD
$6,541 USD
View
Price last confirmed 10 days ago
13 more retailers have this diamond
Prices start from $3,611 AUDSave up to $3,674 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.

B+
9.00ct Radiant
$3,611 AUD