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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 $170 USD
As of November 5, 2026
Save $910 USD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,080 USD 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 $170 to $1,080, a $910 spread on the same certified stone. Rare Carat lists it at $1,080. 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
Color
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: $1,080 USD|Low: $165 USD|High: $1,105 USD|Avg: $474 USD|-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 5, 2026
Retailer 14$170 USD
Retailer 3$189 USD
Retailer 6$197 USD
Retailer 4$210 USD
Retailer 8$295 USD
Retailer 9$338 USD
Retailer 13$363 USD
Retailer 2$370 USD
Retailer 15$457 USD
Retailer 12$513 USD
Retailer 16$561 USD
Retailer 5$677 USD
Retailer 11$715 USD
Retailer 7$731 USD
Retailer 10$984 USD
Rare Carat$1,080 USD

39 data points across 16 retailers

17 retailers$170 USD to $1,080 USD

A
Cheapest Retailer
-
$170 USD
A
Retailer 2
-
$189 USD
View
Final sale: no returns
A
Retailer 3
-
$197 USD
View
A
Retailer 4
-
$210 USD
View
Retailer 5
-
$212 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$295 USD
View
A
Retailer 7
-
$338 USD
View
A
Retailer 8
-
$363 USD
View
A
Retailer 9
-
$370 USD
View
A
Retailer 10
-
$457 USD
View
A
Retailer 11
-
$513 USD
View
B+
Retailer 12
-
$561 USD
View
B+
Retailer 13
-
$677 USD
View
B+
Retailer 14
-
$715 USD
View
B+
Retailer 15
-
$731 USD
View
B+
Retailer 16
-
$984 USD
View
Most Expensive
B
Rare Carat
GD6634_l_688515562 · Nov 4
$1,080 USD
View
16 more retailers have this diamond
Prices start from $170 USDSave up to $910 USD

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
$170 USD