Radiant|Lab Grown|IGI

1.67ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG729574235

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG729574235

Diamond specifications and retailer prices

From $1,889 USD
As of October 29, 2026
Save $2,741 USD (59%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,630 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.67ct lab-grown radiant diamond

This 1.67ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729574235 or 729574235. Listed at 4 retailers as of October 29, 2026, with prices from $1,889 to $4,630, a $2,741 spread on the same certified stone. Do Amore Diamonds lists it at $4,630. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729574235
Dimensions8.43 × 5.89 × 3.91 mm
L/W Ratio1.43
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
8.43 mm5.89 mm1.67 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729574235
Side View
Table 63.0%Crown 41.9°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $4,630 USD|Low: $500 USD|High: $4,630 USD|Avg: $1,907 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 18, 2026
Retailer 9$500 USD
Retailer 8$886 USD
Retailer 13$895 USD
Retailer 3$1,192 USD
Retailer 11$1,254 USD
Retailer 12$1,767 USD
Retailer 6$1,889 USD
Retailer 10$2,058 USD
Retailer 5$2,187 USD
Retailer 2$2,360 USD
Retailer 7$2,440 USD
Retailer 4$2,748 USD
Do Amore Diamonds$4,630 USD

4 data points across 13 retailers

4 retailers$1,889 USD to $4,630 USD

B+
Cheapest Retailer
-
$1,889 USD
Retailer 2
-
$2,310 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$2,360 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
24-567-1062 · Oct 29
$4,630 USD
View
3 more retailers have this diamond
Prices start from $1,889 USDSave up to $2,741 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.

B+
1.67ct Radiant
$1,889 USD