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Round|Lab Grown|IGI

1.31ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG710592167

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710592167

Diamond specifications and retailer prices

From $265 USD
As of November 5, 2026
Save $1,565 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,830 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.31ct lab-grown round diamond

This 1.31ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG710592167 or 710592167. Listed at 23 retailers as of November 5, 2026, with prices from $265 to $1,830, a $1,565 spread on the same certified stone. Brilliant Earth lists it at $1,830. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710592167
Dimensions6.99 × 6.97 × 4.32 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm6.97 mm1.31 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710592167
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

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: $1,830 USD|Low: $265 USD|High: $1,890 USD|Avg: $760 USD|-3.2%
Brilliant Earth
Retailer 2
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Retailer 21
November 6, 2026
Retailer 14$265 USD
Retailer 8$308 USD
Retailer 7$329 USD
Retailer 10$442 USD
Retailer 4$490 USD
Retailer 13$527 USD
Retailer 16$564 USD
Retailer 18$567 USD
Retailer 12$583 USD
Retailer 2$618 USD
Retailer 21$642 USD
Retailer 5$740 USD
Retailer 17$807 USD
Retailer 9$870 USD
Retailer 20$950 USD
Retailer 19$1,011 USD
Retailer 6$1,058 USD
Retailer 11$1,108 USD
Retailer 15$1,314 USD
Retailer 3$1,550 USD
Brilliant Earth$1,830 USD

28 data points across 21 retailers

23 retailers$265 USD to $1,830 USD

A
Cheapest Retailer
-
$265 USD
A
Retailer 2
-
$308 USD
View
A
Retailer 3
-
$315 USD
View
Final sale: no returns
A
Retailer 4
-
$329 USD
View
Retailer 5
-
$349 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$442 USD
View
A
Retailer 7
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$490 USD
View
A
Retailer 8
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$527 USD
View
A
Retailer 9
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$564 USD
View
A
Retailer 10
-
$567 USD
View
A
Retailer 11
-
$583 USD
View
A
Retailer 12
-
$618 USD
View
B+
Retailer 13
-
$642 USD
View
B+
Retailer 14
-
$740 USD
View
B+
Retailer 15
-
$807 USD
View
B+
Retailer 16
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$870 USD
View
Retailer 17
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$950 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
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$1,011 USD
View
B+
Retailer 19
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$1,058 USD
View
B
Retailer 20
-
$1,108 USD
View
B+
Retailer 21
-
$1,314 USD
View
B
Retailer 22
-
$1,550 USD
View
Most Expensive
B
Brilliant Earth
14531850A · Nov 5
$1,830 USD
View
22 more retailers have this diamond
Prices start from $265 USDSave up to $1,565 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
1.31ct Round
$265 USD