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Radiant|Lab Grown|IGI

1.67ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816611920

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

Certificate IGI LG816611920

Diamond specifications and retailer prices

From $1,357 AUD
$953 USD
As of October 30, 2026
Save $4,879 AUD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,235 AUD at Do Amore Diamonds · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816611920 or 816611920. Listed at 8 retailers as of October 30, 2026, with prices from $1,357 to $6,235, a $4,879 spread on the same certified stone. Do Amore Diamonds lists it at $6,235. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816611920
Dimensions8.49 × 5.84 × 3.93 mm
L/W Ratio1.45
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
8.49 mm5.84 mm1.67 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816611920
Side View
Table 68.0%Crown 41.6°Girdle: MED-STKPavilionCulet: NoneDepth 67.3%

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: Oct 30
Current: $6,235 AUD|Low: $723 AUD|High: $7,531 AUD|Avg: $3,105 AUD|-12.2%
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 17
October 31, 2026
Retailer 3$723 AUD
Retailer 6$787 AUD
Retailer 12$1,357 AUD
Retailer 2$1,360 AUD
Retailer 16$1,796 AUD
Retailer 5$1,910 AUD
Retailer 4$1,967 AUD
Retailer 9$2,136 AUD
Retailer 13$2,160 AUD
Retailer 15$2,875 AUD
Retailer 17$3,298 AUD
Retailer 7$3,949 AUD
Retailer 11$4,035 AUD
Retailer 8$4,684 AUD
Retailer 10$5,267 AUD
Retailer 14$5,673 AUD
Do Amore Diamonds$6,235 AUD

15 data points across 17 retailers

8 retailers$1,357 AUD to $6,235 AUD

A
Cheapest Retailer
-
$1,357 AUD
$953 USD
A
Retailer 2
-
$1,360 AUD
$955 USD
View
B+
Retailer 3
-
$2,160 AUD
$1,517 USD
View
B+
Retailer 4
-
$2,875 AUD
$2,019 USD
View
B
Retailer 5
-
$4,035 AUD
£2,232 GBP
View
B
Retailer 6
-
$5,267 AUD
$3,700 USD
View
B
Retailer 7
-
$5,673 AUD
$3,985 USD
View
Most Expensive
B
Do Amore Diamonds
27-397C0C158 · Oct 30
$6,235 AUD
$4,380 USD
View
7 more retailers have this diamond
Prices start from $1,357 AUDSave up to $4,879 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
1.67ct Radiant
$1,357 AUD