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Round|Lab Grown|IGI

3.40ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG579359348

Shape and cutting style on the report: Round brilliant

Certificate IGI LG579359348

Diamond specifications and retailer prices

From $862 USD
As of November 1, 2026
Save $6,798 USD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,660 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 3.4ct lab-grown round diamond

This 3.4ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG579359348 or 579359348. Listed at 23 retailers as of November 1, 2026, with prices from $862 to $7,660, a $6,798 spread on the same certified stone. Do Amore Diamonds lists it at $7,660. 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

3.40
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579359348
Dimensions9.57 × 9.59 × 5.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
9.57 mm9.59 mm3.40 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579359348
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: Nov 1
Current: $3,744 USD|Low: $828 USD|High: $9,140 USD|Avg: $2,433 USD|-1.2%
Retailer 1
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
November 1, 2026
Retailer 17$862 USD
Retailer 9$938 USD
Retailer 7$966 USD
Retailer 2$1,000 USD
Retailer 15$1,175 USD
Retailer 10$1,379 USD
Retailer 8$1,381 USD
Retailer 4$1,608 USD
Retailer 11$1,696 USD
Retailer 16$2,299 USD
Retailer 12$2,493 USD
Retailer 14$2,563 USD
Retailer 3$3,129 USD
Retailer 5$3,271 USD
Retailer 1$3,744 USD
Retailer 6$5,157 USD
Retailer 13$6,120 USD

41 data points across 17 retailers

23 retailers$862 USD to $7,660 USD

A
Cheapest Retailer
-
$862 USD
A
Retailer 2
-
$938 USD
View
A
Retailer 3
-
$966 USD
View
Final sale: no returns
A
Retailer 4
-
$1,000 USD
View
Retailer 5
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$1,000 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,175 USD
View
A
Retailer 7
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$1,379 USD
£1,086 GBP
View
A
Retailer 8
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$1,381 USD
View
A
Retailer 9
-
$1,608 USD
View
A
Retailer 10
-
$1,696 USD
£1,335 GBP
View
B+
Retailer 11
-
$2,260 USD
View
B+
Retailer 12
-
$2,299 USD
View
B+
Retailer 13
-
$2,493 USD
A$3,835 AUD
View
B+
Retailer 14
-
$2,563 USD
ZAR 41,412 ZAR
View
B+
Retailer 15
-
$3,104 USD
View
B+
Retailer 16
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$3,107 USD
View
B+
Retailer 17
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$3,129 USD
View
B+
Retailer 18
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$3,271 USD
View
B+
Retailer 19
-
$3,744 USD
£2,948 GBP
View
B
Retailer 20
-
$3,933 USD
View
B
Retailer 21
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$5,157 USD
View
B
Retailer 22
-
$6,120 USD
View
Most Expensive
B
Do Amore Diamonds
27-7A176F7A3 · Nov 1
$7,660 USD
View
22 more retailers have this diamond
Prices start from $862 USDSave up to $6,798 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
3.40ct Round
$862 USD