Radiant|Lab Grown|IGI

1.15ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG786657898

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

Certificate IGI LG786657898

Diamond specifications and retailer prices

From $245 USD
As of October 30, 2026
Save $1,675 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,080 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.15ct lab-grown radiant diamond

This 1.15ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786657898 or 786657898. Listed at 23 retailers as of October 30, 2026, with a 684% 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

1.15
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786657898
Dimensions7.06 × 5.07 × 3.74 mm
L/W Ratio1.39
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
7.06 mm5.07 mm1.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786657898
Side View
Table 63.0%Crown 44.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 73.8%

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: $1,920 USD|Low: $245 USD|High: $2,980 USD|Avg: $894 USD|-35.6%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 9$245 USD
Retailer 13$274 USD
Retailer 19$284 USD
Retailer 8$304 USD
Retailer 17$304 USD
Retailer 10$505 USD
Retailer 3$511 USD
Retailer 16$522 USD
Retailer 21$540 USD
Retailer 15$577 USD
Retailer 2$585 USD
Retailer 5$702 USD
Retailer 7$977 USD
Retailer 4$980 USD
Retailer 6$1,029 USD
Retailer 14$1,151 USD
Retailer 20$1,189 USD
Retailer 18$1,219 USD
Retailer 12$1,273 USD
Brilliant Earth$1,920 USD
Retailer 11$2,450 USD

37 data points across 21 retailers

23 retailers$245 USD to $1,920 USD

A
Cheapest Retailer
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$245 USD
A
Retailer 2
-
$274 USD
View
Final sale: no returns
A
Retailer 3
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$284 USD
View
A
Retailer 4
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$304 USD
View
A
Retailer 5
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$304 USD
View
Retailer 6
-
$505 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$511 USD
View
A
Retailer 8
-
$522 USD
ZAR 8,433 ZAR
View
A
Retailer 9
-
$540 USD
View
A
Retailer 10
-
$577 USD
£454 GBP
View
A
Retailer 11
-
$585 USD
€557 EUR
View
B+
Retailer 12
-
$702 USD
View
Retailer 13
-
$920 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
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$977 USD
View
B+
Retailer 15
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$980 USD
View
B+
Retailer 16
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$1,029 USD
View
B+
Retailer 17
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$1,151 USD
SGD 1,556 SGD
View
B+
Retailer 18
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$1,189 USD
£936 GBP
View
B+
Retailer 19
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$1,219 USD
£960 GBP
View
B
Retailer 20
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$1,273 USD
View
B
Retailer 21
-
$1,920 USD
View
Retailer 22
-
$2,450 USD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
20485477A · Sep 28
$3,080 USD
View
Price last confirmed 33 days ago
22 more retailers have this diamond
Prices start from $245 USDSave up to $1,675 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 Radiant
$245 USD