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Round|Lab Grown|IGI

1.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG813625480

Shape and cutting style on the report: Round brilliant

Certificate IGI LG813625480

Diamond specifications and retailer prices

From $480 AUD
$337 USD
As of November 1, 2026
Save $2,086 AUD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,790 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813625480 or 813625480. Listed at 23 retailers as of November 1, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813625480
Dimensions7.37 × 7.41 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.37 mm7.41 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813625480
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.0%

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: Nov 1
Current: $2,790 AUD|Low: $480 AUD|High: $2,790 AUD|Avg: $1,328 AUD
Rare Carat
Retailer 2
Retailer 3
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
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Retailer 22
November 2, 2026
Retailer 3$480 AUD
Retailer 9$557 AUD
Retailer 5$595 AUD
Retailer 12$595 AUD
Retailer 14$674 AUD
Retailer 4$797 AUD
Retailer 22$811 AUD
Retailer 13$845 AUD
Retailer 2$939 AUD
Retailer 6$960 AUD
Retailer 16$1,027 AUD
Retailer 17$1,065 AUD
Retailer 15$1,234 AUD
Retailer 20$1,382 AUD
Retailer 21$1,388 AUD
Retailer 7$1,915 AUD
Retailer 8$1,929 AUD
Retailer 11$1,976 AUD
Retailer 19$2,251 AUD
Retailer 18$2,387 AUD
Retailer 10$2,565 AUD
Rare Carat$2,790 AUD

28 data points across 22 retailers

23 retailers$480 AUD to $2,565 AUD

A
Cheapest Retailer
-
$480 AUD
$337 USD
A
Retailer 2
-
$557 AUD
$391 USD
View
A
Retailer 3
-
$595 AUD
$418 USD
View
Retailer 4
-
$595 AUD
$418 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$674 AUD
HK$3,700 HKD
View
A
Retailer 6
-
$797 AUD
$560 USD
View
A
Retailer 7
-
$811 AUD
$570 USD
View
A
Retailer 8
-
$845 AUD
£467 GBP
View
A
Retailer 9
-
$939 AUD
€628 EUR
View
A
Retailer 10
-
$960 AUD
$674 USD
View
A
Retailer 11
-
$1,027 AUD
ZAR 11,654 ZAR
View
A
Retailer 12
-
$1,065 AUD
£589 GBP
View
B+
Retailer 13
-
$1,234 AUD
$867 USD
View
B+
Retailer 14
-
$1,382 AUD
$971 USD
View
B+
Retailer 15
-
$1,388 AUD
View
B
Retailer 16
-
$1,915 AUD
$1,345 USD
View
B
Retailer 17
-
$1,929 AUD
SGD 1,831 SGD
View
B
Retailer 18
-
$1,976 AUD
$1,388 USD
View
B
Retailer 19
-
$2,140 AUD
$1,503 USD
View
B
Retailer 20
-
$2,251 AUD
$1,581 USD
View
B
Retailer 21
-
$2,387 AUD
£1,320 GBP
View
B
Retailer 22
-
$2,565 AUD
$1,802 USD
View
Most Expensive
Rare Carat
AJ-00016309 · Oct 21
$2,790 AUD
$1,960 USD
View
Price last confirmed 12 days ago
22 more retailers have this diamond
Prices start from $480 AUDSave up to $2,086 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 Round
$480 AUD