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Radiant|Lab Grown|IGI

1.18ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG709533907

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

Certificate IGI LG709533907

Diamond specifications and retailer prices

From $343 AUD
As of November 4, 2026
Save $1,544 AUD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,000 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.18ct lab-grown radiant diamond

This 1.18ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG709533907 or 709533907. Listed at 20 retailers as of November 4, 2026, with a 450% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709533907
Dimensions7.50 × 5.38 × 3.29 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm5.38 mm1.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG709533907
Side View
Table 65.0%Crown 39°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
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: Nov 4
Current: $2,000 AUD|Low: $343 AUD|High: $2,014 AUD|Avg: $1,006 AUD|-0.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$343 AUD
Retailer 4$434 AUD
Retailer 11$571 AUD
Retailer 6$733 AUD
Retailer 8$766 AUD
Retailer 2$794 AUD
Retailer 5$1,041 AUD
Retailer 9$1,367 AUD
Retailer 10$1,371 AUD
Retailer 7$1,703 AUD
Rare Carat$2,000 AUD

34 data points across 11 retailers

20 retailers$343 AUD to $1,887 AUD

A
Cheapest Retailer
-
$343 AUD
A
Retailer 2
-
$381 AUD
View
Final sale: no returns
A
Retailer 3
-
$397 AUD
View
Retailer 4
-
$426 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$426 AUD
View
A
Retailer 6
-
$434 AUD
View
A
Retailer 7
-
$571 AUD
View
A
Retailer 8
-
$733 AUD
View
A
Retailer 9
-
$766 AUD
View
A
Retailer 10
-
$794 AUD
View
A
Retailer 11
-
$871 AUD
View
B+
Retailer 12
-
$1,041 AUD
View
B+
Retailer 13
-
$1,046 AUD
View
B+
Retailer 14
-
$1,367 AUD
View
B+
Retailer 15
-
$1,370 AUD
View
B+
Retailer 16
-
$1,371 AUD
View
B+
Retailer 17
-
$1,440 AUD
View
B+
Retailer 18
-
$1,703 AUD
View
B
Retailer 19
-
$1,887 AUD
View
Most Expensive
Rare Carat
DE2140_l_709533907 · Oct 21
$2,000 AUD
$1,400 USD
View
Price last confirmed 15 days ago
19 more retailers have this diamond
Prices start from $343 AUDSave up to $1,544 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
1.18ct Radiant
$343 AUD