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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 $359 USD
As of October 29, 2026
Save $2,431 USD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,790 USD 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 $359 to $2,790, a $2,431 spread on the same certified stone. Brilliant Earth lists it at $2,790. 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
Color
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: $2,790 USD|Low: $281 USD|High: $5,050 USD|Avg: $1,079 USD|-44.8%
Brilliant Earth
Retailer 2
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Retailer 23
November 1, 2026
Retailer 6$359 USD
Retailer 20$399 USD
Retailer 4$414 USD
Retailer 21$442 USD
Retailer 16$471 USD
Retailer 5$571 USD
Retailer 15$595 USD
Retailer 22$605 USD
Retailer 13$703 USD
Retailer 7$718 USD
Retailer 12$740 USD
Retailer 10$764 USD
Retailer 2$788 USD
Retailer 9$1,032 USD
Retailer 3$1,064 USD
Retailer 17$1,172 USD
Retailer 23$1,422 USD
Retailer 19$1,463 USD
Retailer 18$1,671 USD
Retailer 11$1,700 USD
Retailer 8$1,746 USD
Retailer 14$2,339 USD
Brilliant Earth$2,790 USD

6 data points across 23 retailers

24 retailers$359 USD to $2,790 USD

A
Cheapest Retailer
-
$359 USD
A
Retailer 2
-
$399 USD
View
Final sale: no returns
A
Retailer 3
-
$414 USD
View
A
Retailer 4
-
$442 USD
View
A
Retailer 5
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$571 USD
£449 GBP
View
A
Retailer 6
-
$595 USD
View
A
Retailer 7
-
$605 USD
View
A
Retailer 8
-
$703 USD
View
A
Retailer 9
-
$718 USD
€684 EUR
View
A
Retailer 10
-
$740 USD
A$1,138 AUD
View
A
Retailer 11
-
$764 USD
ZAR 12,342 ZAR
View
A
Retailer 12
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$788 USD
£620 GBP
View
A
Retailer 13
-
$1,032 USD
A$1,587 AUD
View
A
Retailer 14
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$1,064 USD
View
B+
Retailer 15
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$1,172 USD
View
B+
Retailer 16
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$1,422 USD
View
B+
Retailer 17
-
$1,463 USD
View
B+
Retailer 18
-
$1,577 USD
View
B+
Retailer 19
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$1,671 USD
View
B+
Retailer 20
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$1,700 USD
View
B+
Retailer 21
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$1,746 USD
£1,375 GBP
View
Retailer 22
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$2,095 USD
A$3,223 AUD
View
Price last confirmed 120 days ago
Retailer 23
-
$2,339 USD
View
Price last confirmed 66 days ago
Most Expensive
B
Brilliant Earth
17667337A · Oct 31
$2,790 USD
View
23 more retailers have this diamond
Prices start from $359 USDSave up to $2,431 USD

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
$359 USD