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Round|Lab Grown|IGI

5.21ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG790611705

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790611705

Diamond specifications and retailer prices

From $8,714 AUD
$6,121 USD
As of October 29, 2026
Save $26,484 AUD (75%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $35,198 AUD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 5.21ct lab-grown round diamond

This 5.21ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611705 or 790611705. Listed at 23 retailers as of October 29, 2026, with prices from $8,714 to $35,198, a $26,484 spread on the same certified stone. Michael Trio lists it at $35,198. 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

5.21
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611705
Dimensions11.03 × 11.10 × 6.84 mm
L/W Ratio1.01
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
11.03 mm11.10 mm5.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611705
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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: Oct 29
Current: $35,198 AUD|Low: $8,714 AUD|High: $48,901 AUD|Avg: $18,125 AUD|-10.1%
Michael Trio
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 11
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Retailer 17
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Retailer 21
Retailer 22
November 1, 2026
Retailer 7$8,714 AUD
Retailer 15$9,131 AUD
Retailer 9$9,243 AUD
Retailer 11$9,757 AUD
Retailer 16$10,086 AUD
Retailer 6$10,108 AUD
Retailer 12$10,108 AUD
Retailer 14$11,998 AUD
Retailer 21$12,018 AUD
Retailer 22$12,154 AUD
Retailer 20$12,599 AUD
Retailer 2$12,613 AUD
Retailer 8$14,684 AUD
Retailer 3$15,596 AUD
Retailer 13$16,653 AUD
Retailer 5$18,967 AUD
Retailer 18$20,535 AUD
Retailer 19$20,678 AUD
Retailer 4$28,122 AUD
Retailer 17$28,614 AUD
Retailer 10$35,162 AUD
Michael Trio$35,198 AUD

41 data points across 22 retailers

23 retailers$8,714 AUD to $35,198 AUD

A
Cheapest Retailer
-
$8,714 AUD
$6,121 USD
A
Retailer 2
-
$9,131 AUD
$6,414 USD
View
A
Retailer 3
-
$9,243 AUD
$6,493 USD
View
A
Retailer 4
-
$9,757 AUD
$6,854 USD
View
Final sale: no returns
A
Retailer 5
-
$10,086 AUD
$7,085 USD
View
A
Retailer 6
-
$10,108 AUD
$7,100 USD
View
Retailer 7
-
$10,108 AUD
$7,100 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$11,998 AUD
$8,428 USD
View
A
Retailer 9
-
$12,018 AUD
$8,442 USD
View
A
Retailer 10
-
$12,154 AUD
HK$66,700 HKD
View
Retailer 11
-
$12,599 AUD
$8,850 USD
View
Price last confirmed 14 days ago
A
Retailer 12
-
$12,613 AUD
£6,977 GBP
View
A
Retailer 13
-
$14,684 AUD
$10,315 USD
View
A
Retailer 14
-
$15,596 AUD
$10,955 USD
View
A
Retailer 15
-
$16,653 AUD
€11,141 EUR
View
A
Retailer 16
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$18,164 AUD
$12,759 USD
View
A
Retailer 17
-
$18,967 AUD
$13,323 USD
View
A
Retailer 18
-
$20,535 AUD
ZAR 233,030 ZAR
View
A
Retailer 19
-
$20,678 AUD
£11,437 GBP
View
B+
Retailer 20
-
$28,122 AUD
$19,754 USD
View
B+
Retailer 21
-
$28,614 AUD
$20,100 USD
View
B
Retailer 22
-
$35,162 AUD
$24,699 USD
View
Most Expensive
B
Michael Trio
8155789340 · Oct 31
$35,198 AUD
SGD 33,412 SGD
View
22 more retailers have this diamond
Prices start from $8,714 AUDSave up to $26,484 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
5.21ct Round
$8,714 AUD