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Radiant|Lab Grown|IGI

0.99ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG770617411

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

Certificate IGI LG770617411

Diamond specifications and retailer prices

From $362 AUD
$254 USD
As of October 30, 2026
Save $2,856 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,217 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770617411 or 770617411. Listed at 17 retailers as of October 29, 2026, with prices from $362 to $3,217, a $2,856 spread on the same certified stone. Do Amore Diamonds lists it at $3,217. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.99
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770617411
Dimensions6.75 × 4.94 × 3.43 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.75 mm4.94 mm0.99 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770617411
Side View
Table 65.0%Crown 41.9°Girdle: Slightly ThickPavilion 37.2°Culet: NoneDepth 69.4%

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: $3,217 AUD|Low: $345 AUD|High: $3,217 AUD|Avg: $1,296 AUD
Do Amore Diamonds
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 28, 2026
Retailer 11$406 AUD
Retailer 12$602 AUD
Retailer 6$664 AUD
Retailer 5$688 AUD
Retailer 9$783 AUD
Retailer 3$794 AUD
Retailer 2$1,235 AUD
Retailer 10$1,268 AUD
Retailer 14$1,455 AUD
Retailer 8$1,602 AUD
Retailer 4$1,658 AUD
Retailer 7$1,987 AUD
Retailer 13$2,036 AUD
Do Amore Diamonds$3,217 AUD

25 data points across 14 retailers

17 retailers$362 AUD to $3,217 AUD

A
Cheapest Retailer
-
$362 AUD
$254 USD
A
Retailer 2
-
$406 AUD
$285 USD
View
Final sale: no returns
A
Retailer 3
-
$420 AUD
$295 USD
View
A
Retailer 4
-
$602 AUD
$423 USD
View
Retailer 5
-
$783 AUD
€524 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$794 AUD
$558 USD
View
B+
Retailer 7
-
$1,235 AUD
View
B+
Retailer 8
-
$1,268 AUD
$891 USD
View
Retailer 9
-
$1,395 AUD
$980 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
$1,455 AUD
$1,022 USD
View
B+
Retailer 11
-
$1,592 AUD
$1,118 USD
View
Retailer 12
-
$1,602 AUD
$1,125 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$1,602 AUD
$1,125 USD
View
Price last confirmed 12 days ago
Retailer 14
-
$1,602 AUD
$1,125 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
$1,987 AUD
£1,099 GBP
View
B
Retailer 16
-
$2,036 AUD
$1,430 USD
View
Most Expensive
B
Do Amore Diamonds
27-6766FAF28 · Oct 29
$3,217 AUD
$2,260 USD
View
16 more retailers have this diamond
Prices start from $362 AUDSave up to $2,856 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
0.99ct Radiant
$362 AUD