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Radiant|Lab Grown|IGI

1.67ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836614305

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

Certificate IGI LG836614305

Diamond specifications and retailer prices

From $830 AUD
$583 USD
As of October 30, 2026
Save $4,879 AUD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,709 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG836614305 or 836614305. Listed at 23 retailers as of October 28, 2026, with prices from $830 to $5,709, a $4,879 spread on the same certified stone. Rare Carat lists it at $5,709. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614305
Dimensions8.10 × 5.93 × 4.05 mm
L/W Ratio1.37
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
8.10 mm5.93 mm1.67 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614305
Side View
Table 64.0%Crown 42.6°Girdle: MediumPavilion 36.4°Culet: NoneDepth 68.3%

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: $5,709 AUD|Low: $830 AUD|High: $7,588 AUD|Avg: $2,589 AUD|-1.1%
Rare Carat
Retailer 2
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Retailer 23
October 31, 2026
Retailer 12$830 AUD
Retailer 23$928 AUD
Retailer 6$962 AUD
Retailer 11$1,028 AUD
Retailer 19$1,091 AUD
Retailer 15$1,098 AUD
Retailer 22$1,217 AUD
Retailer 4$1,340 AUD
Retailer 7$1,582 AUD
Retailer 2$1,607 AUD
Retailer 5$1,679 AUD
Retailer 21$1,767 AUD
Retailer 8$1,859 AUD
Retailer 13$2,318 AUD
Retailer 10$2,705 AUD
Retailer 9$2,994 AUD
Retailer 14$3,330 AUD
Retailer 17$3,370 AUD
Retailer 3$3,677 AUD
Retailer 20$4,489 AUD
Retailer 16$4,610 AUD
Retailer 18$5,538 AUD
Rare Carat$5,709 AUD

24 data points across 23 retailers

23 retailers$830 AUD to $5,709 AUD

A
Cheapest Retailer
-
$830 AUD
$583 USD
A
Retailer 2
-
$928 AUD
$652 USD
View
A
Retailer 3
-
$962 AUD
$676 USD
View
Final sale: no returns
A
Retailer 4
-
$1,028 AUD
$722 USD
View
A
Retailer 5
-
$1,091 AUD
£603 GBP
View
Retailer 6
-
$1,098 AUD
$771 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$1,217 AUD
$855 USD
View
A
Retailer 8
-
$1,340 AUD
$941 USD
View
A
Retailer 9
-
$1,582 AUD
$1,111 USD
View
A
Retailer 10
-
$1,607 AUD
£889 GBP
View
Retailer 11
-
$1,679 AUD
€1,123 EUR
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$1,767 AUD
ZAR 20,057 ZAR
View
B+
Retailer 13
-
$1,859 AUD
$1,306 USD
View
B+
Retailer 14
-
$2,318 AUD
$1,628 USD
View
B+
Retailer 15
-
$2,705 AUD
$1,900 USD
View
B+
Retailer 16
-
$2,994 AUD
£1,656 GBP
View
B+
Retailer 17
-
$3,330 AUD
$2,339 USD
View
B
Retailer 18
-
$3,370 AUD
$2,367 USD
View
B
Retailer 19
-
$3,677 AUD
$2,583 USD
View
B
Retailer 20
-
$4,489 AUD
£2,483 GBP
View
B
Retailer 21
-
$4,610 AUD
$3,238 USD
View
B
Retailer 22
-
$5,538 AUD
$3,890 USD
View
Most Expensive
B
Rare Carat
PE-252023 · Oct 28
$5,709 AUD
$4,010 USD
View
22 more retailers have this diamond
Prices start from $830 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
$830 AUD