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Round|Lab Grown|IGI

1.40ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG781619157

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781619157

Diamond specifications and retailer prices

From $1,472 AUD
$1,034 USD
As of October 29, 2026
Save $4,487 AUD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,959 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG781619157 or 781619157. Listed at 20 retailers as of October 29, 2026, with prices from $1,472 to $5,959, a $4,487 spread on the same certified stone. Taylor and Hart lists it at $5,959. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781619157
Dimensions7.17 × 7.21 × 4.40 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.17 mm7.21 mm1.40 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781619157
Side View
Table 55.0%Crown 33.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,006 AUD|Low: $1,416 AUD|High: $5,973 AUD|Avg: $3,175 AUD|+6.6%
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
Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
October 31, 2026
Retailer 3$1,472 AUD
Retailer 16$1,602 AUD
Retailer 4$1,649 AUD
Retailer 12$1,707 AUD
Retailer 11$1,711 AUD
Retailer 9$1,957 AUD
Retailer 2$1,968 AUD
Retailer 15$1,987 AUD
Retailer 8$2,423 AUD
Retailer 17$2,441 AUD
Retailer 19$2,462 AUD
Retailer 1$3,006 AUD
Retailer 6$3,139 AUD
Retailer 13$3,200 AUD
Retailer 14$3,253 AUD
Retailer 10$4,755 AUD
Retailer 18$5,488 AUD
Retailer 7$5,721 AUD
Retailer 5$5,822 AUD
Taylor and Hart$5,959 AUD

34 data points across 20 retailers

20 retailers$1,472 AUD to $5,959 AUD

B+
Cheapest Retailer
-
$1,472 AUD
$1,034 USD
B+
Retailer 2
-
$1,602 AUD
$1,125 USD
View
B+
Retailer 3
-
$1,649 AUD
$1,158 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,707 AUD
$1,199 USD
View
Retailer 5
-
$1,711 AUD
$1,202 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,957 AUD
$1,375 USD
View
B+
Retailer 7
-
$1,968 AUD
HK$10,800 HKD
View
B+
Retailer 8
-
$1,987 AUD
$1,396 USD
View
B
Retailer 9
-
$2,423 AUD
View
B+
Retailer 10
-
$2,441 AUD
$1,715 USD
View
B+
Retailer 11
-
$2,462 AUD
£1,362 GBP
View
B
Retailer 12
-
$3,006 AUD
€2,011 EUR
View
B+
Retailer 13
-
$3,139 AUD
ZAR 35,620 ZAR
View
B
Retailer 14
-
$3,200 AUD
$2,248 USD
View
B
Retailer 15
-
$3,253 AUD
$2,285 USD
View
B
Retailer 16
-
$4,755 AUD
$3,340 USD
View
B
Retailer 17
-
$5,488 AUD
$3,855 USD
View
B
Retailer 18
-
$5,721 AUD
SGD 5,431 SGD
View
B
Retailer 19
-
$5,822 AUD
£3,220 GBP
View
Most Expensive
B
Taylor and Hart
M0N37HE · Oct 30
$5,959 AUD
$4,186 USD
View
19 more retailers have this diamond
Prices start from $1,472 AUDSave up to $4,487 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.

B+
1.40ct Round
$1,472 AUD