CaratHunter
Plans
Radiant|Lab Grown|IGI

1.35ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG681558901

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

Certificate IGI LG681558901

Diamond specifications and retailer prices

From $457 AUD
$321 USD
As of October 30, 2026
Save $3,600 AUD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,057 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG681558901 or 681558901. Listed at 24 retailers as of October 30, 2026, with prices from $457 to $4,057, a $3,600 spread on the same certified stone. Do Amore Diamonds lists it at $4,057. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681558901
Dimensions7.54 × 5.55 × 3.74 mm
L/W Ratio1.36
Culet sizePointed
Top View
7.54 mm5.55 mm1.35 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681558901
Side View
Table 65.0%Crown 47.2°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.4%

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: $522 AUD|Low: $457 AUD|High: $4,029 AUD|Avg: $1,407 AUD|+2.5%
Retailer 1
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
Retailer 16
November 1, 2026
Retailer 7$457 AUD
Retailer 1$522 AUD
Retailer 6$530 AUD
Retailer 3$567 AUD
Retailer 5$567 AUD
Retailer 10$661 AUD
Retailer 15$755 AUD
Retailer 14$1,074 AUD
Retailer 11$1,116 AUD
Retailer 13$1,518 AUD
Retailer 4$1,660 AUD
Retailer 12$1,791 AUD
Retailer 8$2,009 AUD
Retailer 2$2,434 AUD
Retailer 9$2,443 AUD
Retailer 16$3,915 AUD

30 data points across 16 retailers

24 retailers$457 AUD to $4,057 AUD

A
Cheapest Retailer
-
$457 AUD
$321 USD
A
Retailer 2
-
$522 AUD
$367 USD
View
Final sale: no returns
A
Retailer 3
-
$530 AUD
$372 USD
View
Retailer 4
-
$567 AUD
$398 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$567 AUD
$398 USD
View
A
Retailer 6
-
$661 AUD
£366 GBP
View
A
Retailer 7
-
$755 AUD
$530 USD
View
A
Retailer 8
-
$755 AUD
$530 USD
View
A
Retailer 9
-
$796 AUD
$559 USD
View
A
Retailer 10
-
$1,074 AUD
ZAR 12,188 ZAR
View
A
Retailer 11
-
$1,088 AUD
$764 USD
View
A
Retailer 12
-
$1,116 AUD
£617 GBP
View
B+
Retailer 13
-
$1,518 AUD
View
B+
Retailer 14
-
$1,660 AUD
$1,166 USD
View
B+
Retailer 15
-
$1,791 AUD
View
B+
Retailer 16
-
$2,009 AUD
$1,411 USD
View
B
Retailer 17
-
$2,060 AUD
£1,139 GBP
View
B
Retailer 18
-
$2,234 AUD
$1,569 USD
View
B
Retailer 19
-
$2,240 AUD
$1,574 USD
View
B
Retailer 20
-
$2,430 AUD
£1,344 GBP
View
Retailer 21
-
$2,434 AUD
$1,710 USD
View
Price last confirmed 11 days ago
B+
Retailer 22
-
$2,443 AUD
£1,351 GBP
View
Retailer 23
-
$3,915 AUD
$2,750 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-97E5521D5 · Oct 31
$4,057 AUD
$2,850 USD
View
23 more retailers have this diamond
Prices start from $457 AUDSave up to $3,600 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
1.35ct Radiant
$457 AUD