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Round|Lab Grown|IGI

3.68ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG685546075

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685546075

Diamond specifications and retailer prices

From $793 USD
As of November 3, 2026
Save $4,717 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,510 USD at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.68ct lab-grown round diamond

This 3.68ct 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 LG685546075 or 685546075. Listed at 20 retailers as of November 3, 2026, with prices from $793 to $5,510, a $4,717 spread on the same certified stone. Rare Carat lists it at $5,510. 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

3.68
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685546075
Dimensions9.83 × 9.87 × 6.13 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
9.83 mm9.87 mm3.68 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685546075
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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 3
Current: $5,510 USD|Low: $761 USD|High: $5,920 USD|Avg: $2,060 USD|-6.9%
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 3$793 USD
Retailer 6$863 USD
Retailer 4$920 USD
Retailer 16$920 USD
Retailer 10$1,092 USD
Retailer 14$1,095 USD
Retailer 11$1,345 USD
Retailer 9$1,392 USD
Retailer 13$2,076 USD
Retailer 12$2,137 USD
Retailer 15$2,187 USD
Retailer 5$2,586 USD
Retailer 7$3,085 USD
Retailer 8$3,109 USD
Retailer 2$3,437 USD
Rare Carat$5,510 USD

35 data points across 16 retailers

20 retailers$793 USD to $5,510 USD

A
Cheapest Retailer
-
$793 USD
A
Retailer 2
-
$863 USD
View
A
Retailer 3
-
$888 USD
View
Final sale: no returns
A
Retailer 4
-
$920 USD
View
Retailer 5
-
$920 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$1,092 USD
View
A
Retailer 7
-
$1,095 USD
View
A
Retailer 8
-
$1,241 USD
View
A
Retailer 9
-
$1,345 USD
View
A
Retailer 10
-
$1,392 USD
View
A
Retailer 11
-
$2,076 USD
View
A
Retailer 12
-
$2,137 USD
View
A
Retailer 13
-
$2,187 USD
View
B+
Retailer 14
-
$2,586 USD
View
B+
Retailer 15
-
$2,811 USD
View
B+
Retailer 16
-
$3,085 USD
View
B+
Retailer 17
-
$3,109 USD
View
B+
Retailer 18
-
$3,179 USD
View
B+
Retailer 19
-
$3,437 USD
View
Most Expensive
B
Rare Carat
SS12133_l_685546075 · Nov 4
$5,510 USD
View
19 more retailers have this diamond
Prices start from $793 USDSave up to $4,717 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
3.68ct Round
$793 USD