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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG633404266

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

Certificate IGI LG633404266

Diamond specifications and retailer prices

From $387 AUD
$272 USD
As of October 27, 2026
Save $3,855 AUD (91%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $4,242 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.59ct lab-grown radiant diamond

This 1.59ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG633404266 or 633404266. Listed at 31 retailers as of October 27, 2026, with prices from $387 to $4,242, a $3,855 spread on the same certified stone. Brilliant Earth lists it at $4,242. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633404266
Dimensions8.77 × 5.84 × 3.82 mm
L/W Ratio1.50
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
8.77 mm5.84 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633404266
Side View
Table 61.0%Crown 39.4°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 65.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $4,242 AUD|Low: $387 AUD|High: $4,242 AUD|Avg: $1,546 AUD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 29, 2026
Retailer 3$387 AUD
Retailer 16$461 AUD
Retailer 12$711 AUD
Retailer 4$752 AUD
Retailer 19$754 AUD
Retailer 10$857 AUD
Retailer 21$868 AUD
Retailer 17$911 AUD
Retailer 18$939 AUD
Retailer 11$1,195 AUD
Retailer 6$1,234 AUD
Retailer 13$1,236 AUD
Retailer 22$1,476 AUD
Retailer 8$1,848 AUD
Retailer 14$1,939 AUD
Retailer 7$2,023 AUD
Retailer 15$2,077 AUD
Retailer 2$2,137 AUD
Retailer 5$2,178 AUD
Retailer 20$3,053 AUD
Retailer 9$3,445 AUD
Brilliant Earth$4,242 AUD

41 data points across 22 retailers

31 retailers$387 AUD to $4,242 AUD

A
Cheapest Retailer
-
$387 AUD
$272 USD
A
Retailer 2
-
$387 AUD
$272 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$404 AUD
$284 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
$461 AUD
$324 USD
View
Final sale: no returns
A
Retailer 5
-
$468 AUD
$329 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$481 AUD
$338 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$494 AUD
$347 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$711 AUD
HK$3,900 HKD
View
A
Retailer 9
-
$752 AUD
$528 USD
View
A
Retailer 10
-
$754 AUD
$530 USD
View
A
Retailer 11
-
$857 AUD
$602 USD
View
A
Retailer 12
-
$868 AUD
€581 EUR
View
A
Retailer 13
-
$911 AUD
ZAR 10,343 ZAR
View
A
Retailer 14
-
$939 AUD
£519 GBP
View
A
Retailer 15
-
$1,195 AUD
$840 USD
View
A
Retailer 16
-
$1,234 AUD
$867 USD
View
A
Retailer 17
-
$1,236 AUD
View
A
Retailer 18
-
$1,476 AUD
$1,037 USD
View
B+
Retailer 19
-
$1,705 AUD
$1,198 USD
View
Price last confirmed 19 days ago
B+
Retailer 20
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$1,705 AUD
$1,198 USD
View
B+
Retailer 21
-
$1,776 AUD
$1,248 USD
View
Price last confirmed 28 days ago
B+
Retailer 22
-
$1,848 AUD
$1,298 USD
View
B+
Retailer 23
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$1,939 AUD
$1,362 USD
View
B+
Retailer 24
-
$2,023 AUD
$1,421 USD
View
B+
Retailer 25
-
$2,077 AUD
SGD 1,972 SGD
View
B+
Retailer 26
-
$2,137 AUD
£1,182 GBP
View
B+
Retailer 27
-
$2,178 AUD
View
Price last confirmed 24 days ago
B+
Retailer 28
-
$3,053 AUD
$2,145 USD
View
Price last confirmed 10 days ago
B
Retailer 29
-
$3,445 AUD
$2,420 USD
View
B
Retailer 30
-
$4,026 AUD
£2,227 GBP
View
Most Expensive
B
Brilliant Earth
11204182Y · Oct 28
$4,242 AUD
$2,980 USD
View
30 more retailers have this diamond
Prices start from $387 AUDSave up to $3,855 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
1.59ct Radiant
$387 AUD