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Round|Lab Grown|IGI

3.10ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG688516693

Shape and cutting style on the report: Round brilliant

Certificate IGI LG688516693

Diamond specifications and retailer prices

From $559 USD
As of November 3, 2026
Save $4,576 USD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,135 USD at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG688516693 or 688516693. Listed at 20 retailers as of November 3, 2026, with prices from $559 to $5,135, a $4,576 spread on the same certified stone. Rare Carat lists it at $5,135. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688516693
Dimensions9.38 × 9.34 × 5.76 mm
L/W Ratio1.00
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
9.38 mm9.34 mm3.10 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688516693
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.5%

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 3
Current: $5,135 USD|Low: $559 USD|High: $5,630 USD|Avg: $1,641 USD|-8.8%
Rare Carat
Retailer 2
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Retailer 20
November 5, 2026
Retailer 10$559 USD
Retailer 7$624 USD
Retailer 6$626 USD
Retailer 11$693 USD
Retailer 12$693 USD
Retailer 14$769 USD
Retailer 15$825 USD
Retailer 18$952 USD
Retailer 3$971 USD
Retailer 13$1,066 USD
Retailer 17$1,463 USD
Retailer 16$1,503 USD
Retailer 19$1,788 USD
Retailer 20$1,822 USD
Retailer 5$2,159 USD
Retailer 8$2,231 USD
Retailer 9$2,246 USD
Retailer 4$2,338 USD
Retailer 2$2,999 USD
Rare Carat$5,135 USD

35 data points across 20 retailers

20 retailers$559 USD to $5,135 USD

A
Cheapest Retailer
-
$559 USD
A
Retailer 2
-
$624 USD
View
Final sale: no returns
A
Retailer 3
-
$626 USD
View
Retailer 4
-
$693 USD
View
Price last confirmed 20 days ago
A
Retailer 5
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$693 USD
View
A
Retailer 6
-
$769 USD
View
A
Retailer 7
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$825 USD
View
A
Retailer 8
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$952 USD
View
A
Retailer 9
-
$971 USD
View
A
Retailer 10
-
$1,066 USD
View
A
Retailer 11
-
$1,463 USD
View
A
Retailer 12
-
$1,503 USD
View
B+
Retailer 13
-
$1,788 USD
View
A
Retailer 14
-
$1,822 USD
View
B+
Retailer 15
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$2,159 USD
View
B+
Retailer 16
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$2,231 USD
View
B+
Retailer 17
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$2,246 USD
View
B+
Retailer 18
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$2,338 USD
View
B+
Retailer 19
-
$2,999 USD
View
Most Expensive
B
Rare Carat
SS12244_l_688516693 · Nov 4
$5,135 USD
View
19 more retailers have this diamond
Prices start from $559 USDSave up to $4,576 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
3.10ct Round
$559 USD