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Round|Lab Grown|IGI

6.57ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG790606735

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790606735

Diamond specifications and retailer prices

From $13,489 AUD
$9,475 USD
As of October 29, 2026
Save $70,675 AUD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $84,163 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.57ct lab-grown round diamond

This 6.57ct lab-grown round sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790606735 or 790606735. Listed at 12 retailers as of October 29, 2026, with prices from $13,489 to $84,163, a $70,675 spread on the same certified stone. Do Amore Diamonds lists it at $84,163. 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

6.57
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790606735
Dimensions12.22 × 12.15 × 7.28 mm
L/W Ratio1.01
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
12.22 mm12.15 mm6.57 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790606735
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $84,163 AUD|Low: $13,489 AUD|High: $88,261 AUD|Avg: $38,988 AUD|+2.7%
Do Amore Diamonds
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
October 30, 2026
Retailer 13$13,489 AUD
Retailer 10$14,028 AUD
Retailer 14$16,185 AUD
Retailer 15$16,599 AUD
Retailer 12$16,709 AUD
Retailer 9$16,713 AUD
Retailer 11$17,127 AUD
Retailer 8$27,273 AUD
Retailer 2$29,469 AUD
Retailer 7$36,380 AUD
Retailer 3$39,731 AUD
Retailer 4$42,418 AUD
Retailer 5$64,473 AUD
Do Amore Diamonds$84,163 AUD
Retailer 6$88,261 AUD

23 data points across 15 retailers

12 retailers$13,489 AUD to $84,163 AUD

A
Cheapest Retailer
-
$13,489 AUD
$9,475 USD
A
Retailer 2
-
$14,028 AUD
$9,854 USD
View
A
Retailer 3
-
$16,185 AUD
$11,369 USD
View
Retailer 4
-
$16,599 AUD
$11,660 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$16,709 AUD
$11,737 USD
View
A
Retailer 6
-
$16,713 AUD
$11,740 USD
View
A
Retailer 7
-
$17,127 AUD
$12,031 USD
View
A
Retailer 8
-
$27,273 AUD
£15,085 GBP
View
B+
Retailer 9
-
$29,469 AUD
$20,700 USD
View
B+
Retailer 10
-
$39,731 AUD
$27,909 USD
View
Retailer 11
-
$46,025 AUD
$32,330 USD
View
Price last confirmed 40 days ago
Most Expensive
B
Do Amore Diamonds
27-E58002C46 · Oct 31
$84,163 AUD
$59,120 USD
View
11 more retailers have this diamond
Prices start from $13,489 AUDSave up to $70,675 AUD

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
6.57ct Round
$13,489 AUD