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Round|Lab Grown|IGI

6.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG621407755

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621407755

Diamond specifications and retailer prices

From $12,669 USD
As of October 30, 2026
Save $44,261 USD (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $56,930 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 6.09ct lab-grown round diamond

This 6.09ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG621407755 or 621407755. Listed at 23 retailers as of October 30, 2026, with prices from $12,669 to $56,930, a $44,261 spread on the same certified stone. Do Amore Diamonds lists it at $56,930. 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

6.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621407755
Dimensions11.68 × 11.70 × 7.18 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
Top View
11.68 mm11.70 mm6.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621407755
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.4%

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: Oct 30
Current: $18,308 USD|Low: $10,165 USD|High: $141,626 USD|Avg: $31,970 USD|+1.3%
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
October 30, 2026
Retailer 8$12,669 USD
Retailer 4$12,675 USD
Retailer 5$13,013 USD
Retailer 14$13,910 USD
Retailer 6$14,232 USD
Retailer 16$14,598 USD
Retailer 13$15,403 USD
Retailer 1$18,308 USD
Retailer 11$25,696 USD
Retailer 15$26,700 USD
Retailer 12$30,650 USD
Retailer 10$31,487 USD
Retailer 17$37,746 USD
Retailer 9$40,565 USD
Retailer 2$47,379 USD
Retailer 7$49,224 USD
Retailer 3$141,626 USD

42 data points across 17 retailers

23 retailers$12,669 USD to $56,930 USD

A
Cheapest Retailer
-
$12,669 USD
A
Retailer 2
-
$12,675 USD
View
A
Retailer 3
-
$12,708 USD
View
A
Retailer 4
-
$13,013 USD
View
A
Retailer 5
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$13,910 USD
View
A
Retailer 6
-
$14,232 USD
View
Final sale: no returns
A
Retailer 7
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$14,598 USD
View
A
Retailer 8
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$14,741 USD
View
Retailer 9
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$14,741 USD
View
Price last confirmed 14 days ago
A
Retailer 10
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$15,249 USD
View
A
Retailer 11
-
$15,403 USD
View
A
Retailer 12
-
$18,308 USD
£14,416 GBP
View
B+
Retailer 13
-
$25,696 USD
£20,233 GBP
View
B+
Retailer 14
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$26,700 USD
View
Retailer 15
-
$30,650 USD
A$47,154 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$31,487 USD
ZAR 508,672 ZAR
View
B
Retailer 17
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$37,746 USD
View
B
Retailer 18
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$40,565 USD
View
B
Retailer 19
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$42,332 USD
View
B
Retailer 20
-
$47,379 USD
View
B
Retailer 21
-
$49,224 USD
View
Most Expensive
B
Do Amore Diamonds
27-D8B355AB8 · Oct 30
$56,930 USD
View
21 more retailers have this diamond
Prices start from $12,669 USDSave up to $44,261 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
6.09ct Round
$12,669 USD