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Princess|Lab Grown|IGI

1.15ct F IF Princess Lab Grown Diamond

ID • F/IF • IGI LG687586394

Shape and cutting style on the report: Princess cut

Certificate IGI LG687586394

Diamond specifications and retailer prices

From $340 USD
As of November 4, 2026
Save $1,650 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,990 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.15ct lab-grown princess diamond

This 1.15ct lab-grown princess 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 LG687586394 or 687586394. Listed at 23 retailers as of November 2, 2026, with prices from $340 to $1,990, a $1,650 spread on the same certified stone. Brilliant Earth lists it at $1,990. 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 angle45.7°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687586394
Dimensions5.75 × 5.55 × 3.90 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.75 mm5.55 mm1.15 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687586394
Side View
Table 69.0%Crown 45.7°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 70.3%

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: $1,990 USD|Low: $340 USD|High: $1,990 USD|Avg: $939 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 19
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Retailer 21
November 5, 2026
Retailer 8$340 USD
Retailer 9$381 USD
Retailer 21$395 USD
Retailer 5$422 USD
Retailer 10$422 USD
Retailer 15$445 USD
Retailer 20$575 USD
Retailer 12$608 USD
Retailer 3$616 USD
Retailer 19$698 USD
Retailer 18$728 USD
Retailer 13$750 USD
Retailer 16$1,038 USD
Retailer 14$1,144 USD
Retailer 17$1,238 USD
Retailer 4$1,320 USD
Retailer 6$1,357 USD
Retailer 11$1,400 USD
Retailer 7$1,645 USD
Retailer 2$1,687 USD
Brilliant Earth$1,990 USD

37 data points across 21 retailers

23 retailers$340 USD to $1,990 USD

A
Cheapest Retailer
-
$340 USD
A
Retailer 2
-
$381 USD
View
Final sale: no returns
A
Retailer 3
-
$395 USD
View
Retailer 4
-
$422 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$422 USD
View
A
Retailer 6
-
$445 USD
View
A
Retailer 7
-
$575 USD
View
A
Retailer 8
-
$608 USD
View
A
Retailer 9
-
$616 USD
View
B+
Retailer 10
-
$698 USD
View
B+
Retailer 11
-
$728 USD
View
B+
Retailer 12
-
$750 USD
View
B+
Retailer 13
-
$1,038 USD
View
Retailer 14
-
$1,144 USD
View
Price last confirmed 31 days ago
B
Retailer 15
-
$1,145 USD
View
B
Retailer 16
-
$1,238 USD
View
Retailer 17
-
$1,320 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
$1,357 USD
View
B
Retailer 19
-
$1,400 USD
View
B
Retailer 20
-
$1,645 USD
View
B
Retailer 21
-
$1,646 USD
View
B
Retailer 22
-
$1,687 USD
View
Most Expensive
B
Brilliant Earth
14065079A · Nov 2
$1,990 USD
View
22 more retailers have this diamond
Prices start from $340 USDSave up to $1,650 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 Princess
$340 USD