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Round|Lab Grown|IGI

1.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG807649263

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807649263

Diamond specifications and retailer prices

From $676 AUD
HK$3,700 HKD
As of November 1, 2026
Save $1,895 AUD (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,797 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 LG807649263 or 807649263. Listed at 22 retailers as of November 1, 2026, with a 280% 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 angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807649263
Dimensions7.39 × 7.41 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.41 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807649263
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.5%

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: $2,797 AUD|Low: $472 AUD|High: $2,804 AUD|Avg: $1,417 AUD|-0.3%
Rare Carat
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
November 2, 2026
Retailer 8$482 AUD
Retailer 11$611 AUD
Retailer 6$676 AUD
Retailer 15$799 AUD
Retailer 18$799 AUD
Retailer 2$941 AUD
Retailer 19$962 AUD
Retailer 12$1,029 AUD
Retailer 13$1,067 AUD
Retailer 7$1,237 AUD
Retailer 16$1,386 AUD
Retailer 17$1,391 AUD
Retailer 9$1,922 AUD
Retailer 3$1,933 AUD
Retailer 5$1,981 AUD
Retailer 10$2,260 AUD
Retailer 14$2,392 AUD
Retailer 4$2,571 AUD
Rare Carat$2,797 AUD

36 data points across 19 retailers

22 retailers$676 AUD to $2,571 AUD

Retailer 1
-
$482 AUD
$338 USD
Price last confirmed 15 days ago
Retailer 2
-
$571 AUD
$400 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$611 AUD
$428 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$611 AUD
$428 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
$676 AUD
HK$3,700 HKD
View
A
Retailer 6
-
$799 AUD
$560 USD
View
A
Retailer 7
-
$799 AUD
$560 USD
View
A
Retailer 8
-
$941 AUD
€628 EUR
View
A
Retailer 9
-
$962 AUD
$674 USD
View
A
Retailer 10
-
$1,029 AUD
ZAR 11,654 ZAR
View
A
Retailer 11
-
$1,067 AUD
£589 GBP
View
B+
Retailer 12
-
$1,237 AUD
$867 USD
View
B+
Retailer 13
-
$1,386 AUD
$971 USD
View
B+
Retailer 14
-
$1,391 AUD
View
Retailer 15
-
$1,922 AUD
$1,347 USD
View
Price last confirmed 15 days ago
B+
Retailer 16
-
$1,933 AUD
SGD 1,831 SGD
View
B
Retailer 17
-
$1,981 AUD
$1,388 USD
View
B
Retailer 18
-
$2,145 AUD
$1,503 USD
View
B
Retailer 19
-
$2,260 AUD
$1,584 USD
View
B
Retailer 20
-
$2,392 AUD
£1,320 GBP
View
B
Retailer 21
-
$2,571 AUD
$1,802 USD
View
Most Expensive
Rare Carat
AJ-00000344 · Oct 21
$2,797 AUD
$1,960 USD
View
Price last confirmed 12 days ago
21 more retailers have this diamond
Prices start from $676 AUDSave up to $1,895 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
$676 AUD