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Radiant|Lab Grown|IGI

1.51ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG596345372

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

Certificate IGI LG596345372

Diamond specifications and retailer prices

From $325 AUD
$228 USD
As of October 30, 2026
Save $3,334 AUD (91%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $3,659 AUD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG596345372 or 596345372. Listed at 31 retailers as of October 23, 2026, with prices from $325 to $3,659, a $3,334 spread on the same certified stone. Brilliant Earth lists it at $3,659. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596345372
Dimensions7.98 × 5.76 × 3.85 mm
L/W Ratio1.39
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
7.98 mm5.76 mm1.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596345372
Side View
Table 62.0%Crown 42.7°Girdle: MediumPavilion 35°Culet: NoneDepth 66.8%

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 30
Current: $3,659 AUD|Low: $325 AUD|High: $3,659 AUD|Avg: $1,332 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
October 30, 2026
Retailer 18$325 AUD
Retailer 15$376 AUD
Retailer 3$626 AUD
Retailer 16$732 AUD
Retailer 8$762 AUD
Retailer 13$762 AUD
Retailer 2$845 AUD
Retailer 7$974 AUD
Retailer 14$1,035 AUD
Retailer 17$1,297 AUD
Retailer 5$1,636 AUD
Retailer 11$1,659 AUD
Retailer 9$1,669 AUD
Retailer 10$1,788 AUD
Retailer 12$1,788 AUD
Retailer 4$1,824 AUD
Retailer 6$3,118 AUD
Brilliant Earth$3,659 AUD

43 data points across 18 retailers

31 retailers$325 AUD to $3,659 AUD

A
Cheapest Retailer
-
$325 AUD
$228 USD
Retailer 2
-
$325 AUD
$228 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$329 AUD
$231 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$376 AUD
$264 USD
View
Final sale: no returns
Retailer 5
-
$380 AUD
$267 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$401 AUD
$282 USD
View
Price last confirmed 31 days ago
Retailer 7
-
$401 AUD
$282 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$620 AUD
HK$3,400 HKD
View
B+
Retailer 9
-
$626 AUD
$440 USD
View
A
Retailer 10
-
$682 AUD
$479 USD
View
A
Retailer 11
-
$732 AUD
€490 EUR
View
A
Retailer 12
-
$762 AUD
$535 USD
View
A
Retailer 13
-
$762 AUD
ZAR 8,650 ZAR
View
Retailer 14
-
$824 AUD
£455 GBP
View
Price last confirmed 15 days ago
A
Retailer 15
-
$845 AUD
£467 GBP
View
Retailer 16
-
$974 AUD
$684 USD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$1,035 AUD
View
Retailer 18
-
$1,043 AUD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$1,297 AUD
$911 USD
View
Retailer 20
-
$1,426 AUD
$1,002 USD
View
Price last confirmed 20 days ago
B+
Retailer 21
-
$1,426 AUD
$1,002 USD
View
Retailer 22
-
$1,444 AUD
$1,014 USD
View
Price last confirmed 29 days ago
B
Retailer 23
-
$1,623 AUD
£898 GBP
View
B+
Retailer 24
-
$1,636 AUD
$1,149 USD
View
B+
Retailer 25
-
$1,659 AUD
View
B
Retailer 26
-
$1,669 AUD
$1,173 USD
View
B
Retailer 27
-
$1,788 AUD
SGD 1,697 SGD
View
B+
Retailer 28
-
$1,788 AUD
£989 GBP
View
B
Retailer 29
-
$1,824 AUD
$1,281 USD
View
B
Retailer 30
-
$3,118 AUD
$2,190 USD
View
Most Expensive
B
Brilliant Earth
8923139Y · Oct 23
$3,659 AUD
$2,570 USD
View
30 more retailers have this diamond
Prices start from $325 AUDSave up to $3,334 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
1.51ct Radiant
$325 AUD