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Radiant|Lab Grown|IGI

1.68ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG800677720

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

Certificate IGI LG800677720

Diamond specifications and retailer prices

From $816 AUD
$573 USD
As of October 30, 2026
Save $6,430 AUD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,246 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.68ct lab-grown radiant diamond

This 1.68ct 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 LG800677720 or 800677720. Listed at 14 retailers as of October 30, 2026, with prices from $816 to $7,246, a $6,430 spread on the same certified stone. Do Amore Diamonds lists it at $7,246. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677720
Dimensions8.39 × 5.76 × 3.94 mm
L/W Ratio1.46
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
8.39 mm5.76 mm1.68 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677720
Side View
Table 64.0%Crown 42.3°Girdle: ThickPavilion 34.2°Culet: NoneDepth 68.4%

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 30
Current: $7,246 AUD|Low: $816 AUD|High: $8,470 AUD|Avg: $3,211 AUD|-14.5%
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
Retailer 14
Retailer 15
October 31, 2026
Retailer 10$816 AUD
Retailer 15$914 AUD
Retailer 6$1,085 AUD
Retailer 12$1,197 AUD
Retailer 4$1,217 AUD
Retailer 5$1,488 AUD
Retailer 11$1,559 AUD
Retailer 2$1,791 AUD
Retailer 13$2,511 AUD
Retailer 14$2,938 AUD
Retailer 9$4,426 AUD
Retailer 7$4,836 AUD
Retailer 8$5,310 AUD
Retailer 3$5,709 AUD
Do Amore Diamonds$7,246 AUD

33 data points across 15 retailers

14 retailers$816 AUD to $7,246 AUD

A
Cheapest Retailer
-
$816 AUD
$573 USD
A
Retailer 2
-
$914 AUD
$642 USD
View
A
Retailer 3
-
$1,085 AUD
$762 USD
View
Final sale: no returns
A
Retailer 4
-
$1,197 AUD
$841 USD
View
A
Retailer 5
-
$1,217 AUD
$855 USD
View
A
Retailer 6
-
$1,488 AUD
$1,045 USD
View
A
Retailer 7
-
$1,559 AUD
$1,095 USD
View
B+
Retailer 8
-
$1,791 AUD
€1,198 EUR
View
B+
Retailer 9
-
$2,511 AUD
$1,764 USD
View
B+
Retailer 10
-
$2,938 AUD
$2,064 USD
View
B
Retailer 11
-
$4,426 AUD
£2,448 GBP
View
B
Retailer 12
-
$5,310 AUD
$3,730 USD
View
B
Retailer 13
-
$5,709 AUD
$4,010 USD
View
Most Expensive
B
Do Amore Diamonds
27-865A96D28 · Oct 30
$7,246 AUD
$5,090 USD
View
13 more retailers have this diamond
Prices start from $816 AUDSave up to $6,430 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 Radiant
$816 AUD