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Round|Lab Grown|IGI

1.15ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG688515562

Shape and cutting style on the report: Round brilliant

Certificate IGI LG688515562

Diamond specifications and retailer prices

From $247 AUD
As of November 5, 2026
Save $1,324 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,572 AUD at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG688515562 or 688515562. Listed at 17 retailers as of November 4, 2026, with prices from $247 to $1,572, a $1,324 spread on the same certified stone. Rare Carat lists it at $1,572. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688515562
Dimensions6.83 × 6.79 × 4.10 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.83 mm6.79 mm1.15 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688515562
Side View
Table 59.0%Crown 33.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.2%

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 5
Current: $1,572 AUD|Low: $240 AUD|High: $1,608 AUD|Avg: $658 AUD|-2.3%
Rare Carat
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
Retailer 16
November 6, 2026
Retailer 15$247 AUD
Retailer 4$275 AUD
Retailer 7$287 AUD
Retailer 5$306 AUD
Retailer 9$490 AUD
Retailer 2$518 AUD
Retailer 11$538 AUD
Retailer 10$549 AUD
Retailer 16$665 AUD
Retailer 14$747 AUD
Retailer 3$816 AUD
Retailer 6$985 AUD
Retailer 13$1,041 AUD
Retailer 8$1,064 AUD
Retailer 12$1,432 AUD
Rare Carat$1,572 AUD

37 data points across 16 retailers

17 retailers$247 AUD to $1,572 AUD

A
Cheapest Retailer
-
$247 AUD
A
Retailer 2
-
$275 AUD
View
Final sale: no returns
A
Retailer 3
-
$287 AUD
View
A
Retailer 4
-
$306 AUD
View
Retailer 5
-
$309 AUD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$490 AUD
View
A
Retailer 7
-
$518 AUD
View
A
Retailer 8
-
$538 AUD
View
A
Retailer 9
-
$549 AUD
View
A
Retailer 10
-
$665 AUD
View
A
Retailer 11
-
$747 AUD
View
B+
Retailer 12
-
$816 AUD
View
B+
Retailer 13
-
$985 AUD
View
B+
Retailer 14
-
$1,041 AUD
View
B+
Retailer 15
-
$1,064 AUD
View
B+
Retailer 16
-
$1,432 AUD
View
Most Expensive
B
Rare Carat
GD6634_l_688515562 · Nov 4
$1,572 AUD
$1,080 USD
View
16 more retailers have this diamond
Prices start from $247 AUDSave up to $1,324 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
1.15ct Round
$247 AUD