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Round|Lab Grown|IGI

1.68ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG760571324

Shape and cutting style on the report: Round brilliant

Certificate IGI LG760571324

Diamond specifications and retailer prices

From $511 AUD
$359 USD
As of October 29, 2026
Save $3,461 AUD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,972 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.68ct lab-grown round diamond

This 1.68ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG760571324 or 760571324. Listed at 24 retailers as of October 29, 2026, with prices from $511 to $3,972, a $3,461 spread on the same certified stone. Brilliant Earth lists it at $3,972. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760571324
Dimensions7.69 × 7.66 × 4.65 mm
L/W Ratio1.00
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
7.69 mm7.66 mm1.68 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760571324
Side View
Table 60.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.6%

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 29
Current: $3,972 AUD|Low: $400 AUD|High: $7,189 AUD|Avg: $1,548 AUD|-44.8%
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 23
October 31, 2026
Retailer 5$511 AUD
Retailer 18$568 AUD
Retailer 23$589 AUD
Retailer 19$629 AUD
Retailer 16$671 AUD
Retailer 3$813 AUD
Retailer 15$847 AUD
Retailer 20$861 AUD
Retailer 9$1,005 AUD
Retailer 6$1,022 AUD
Retailer 12$1,053 AUD
Retailer 10$1,088 AUD
Retailer 4$1,137 AUD
Retailer 8$1,469 AUD
Retailer 22$1,515 AUD
Retailer 2$1,668 AUD
Retailer 21$2,024 AUD
Retailer 17$2,083 AUD
Retailer 13$2,379 AUD
Retailer 11$2,419 AUD
Retailer 7$2,486 AUD
Retailer 14$3,330 AUD
Brilliant Earth$3,972 AUD

5 data points across 23 retailers

24 retailers$511 AUD to $3,972 AUD

A
Cheapest Retailer
-
$511 AUD
$359 USD
A
Retailer 2
-
$568 AUD
$399 USD
View
Final sale: no returns
A
Retailer 3
-
$589 AUD
$414 USD
View
A
Retailer 4
-
$629 AUD
$442 USD
View
A
Retailer 5
-
$813 AUD
£449 GBP
View
A
Retailer 6
-
$847 AUD
$595 USD
View
A
Retailer 7
-
$861 AUD
$605 USD
View
A
Retailer 8
-
$1,005 AUD
$706 USD
View
A
Retailer 9
-
$1,022 AUD
€684 EUR
View
A
Retailer 10
-
$1,053 AUD
View
A
Retailer 11
-
$1,088 AUD
ZAR 12,342 ZAR
View
A
Retailer 12
-
$1,137 AUD
£629 GBP
View
A
Retailer 13
-
$1,469 AUD
View
A
Retailer 14
-
$1,515 AUD
$1,064 USD
View
B+
Retailer 15
-
$1,668 AUD
$1,172 USD
View
B+
Retailer 16
-
$2,024 AUD
$1,422 USD
View
B+
Retailer 17
-
$2,083 AUD
$1,463 USD
View
B+
Retailer 18
-
$2,245 AUD
$1,577 USD
View
B+
Retailer 19
-
$2,379 AUD
$1,671 USD
View
B+
Retailer 20
-
$2,419 AUD
$1,700 USD
View
B+
Retailer 21
-
$2,486 AUD
£1,375 GBP
View
Retailer 22
-
$2,982 AUD
View
Price last confirmed 120 days ago
Retailer 23
-
$3,330 AUD
$2,339 USD
View
Price last confirmed 66 days ago
Most Expensive
B
Brilliant Earth
17667337A · Oct 31
$3,972 AUD
$2,790 USD
View
23 more retailers have this diamond
Prices start from $511 AUDSave up to $3,461 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
1.68ct Round
$511 AUD