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Round|Lab Grown|IGI

5.05ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG605378035

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605378035

Diamond specifications and retailer prices

From $9,432 AUD
£5,217 GBP
As of October 30, 2026
Save $52,195 AUD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $61,628 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.05ct lab-grown round diamond

This 5.05ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605378035 or 605378035. Listed at 25 retailers as of October 29, 2026, with prices from $9,432 to $61,628, a $52,195 spread on the same certified stone. Do Amore Diamonds lists it at $61,628. 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

5.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605378035
Dimensions11.00 × 11.07 × 6.74 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
11.00 mm11.07 mm5.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605378035
Side View
Table 57.0%Crown 34.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.1%

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: Oct 30
Current: $34,679 AUD|Low: $7,901 AUD|High: $90,313 AUD|Avg: $27,370 AUD|-19.5%
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
October 30, 2026
Retailer 8$9,432 AUD
Retailer 5$10,350 AUD
Retailer 6$11,061 AUD
Retailer 15$11,403 AUD
Retailer 14$13,168 AUD
Retailer 2$13,275 AUD
Retailer 9$15,514 AUD
Retailer 13$20,955 AUD
Retailer 11$23,601 AUD
Retailer 10$25,693 AUD
Retailer 12$26,374 AUD
Retailer 1$34,679 AUD
Retailer 3$36,561 AUD
Retailer 7$37,959 AUD
Retailer 4$90,313 AUD

41 data points across 15 retailers

25 retailers$9,432 AUD to $61,628 AUD

A
Cheapest Retailer
-
$9,432 AUD
£5,217 GBP
Retailer 2
-
$9,876 AUD
$6,937 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$10,271 AUD
$7,215 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$10,350 AUD
$7,270 USD
View
A
Retailer 5
-
$10,852 AUD
$7,623 USD
View
A
Retailer 6
-
$11,060 AUD
$7,769 USD
View
Final sale: no returns
A
Retailer 7
-
$11,061 AUD
$7,770 USD
View
Final sale: no returns
A
Retailer 8
-
$11,403 AUD
$8,010 USD
View
Retailer 9
-
$11,456 AUD
$8,047 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$11,456 AUD
$8,047 USD
View
Price last confirmed 14 days ago
A
Retailer 11
-
$13,168 AUD
$9,250 USD
View
A
Retailer 12
-
$13,275 AUD
$9,325 USD
View
Retailer 13
-
$14,222 AUD
$9,990 USD
View
Price last confirmed 23 days ago
A
Retailer 14
-
$15,514 AUD
£8,581 GBP
View
A
Retailer 15
-
$20,955 AUD
$14,720 USD
View
B+
Retailer 16
-
$23,601 AUD
£13,054 GBP
View
B+
Retailer 17
-
$25,693 AUD
ZAR 291,560 ZAR
View
Retailer 18
-
$26,374 AUD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
$31,530 AUD
$22,148 USD
View
B+
Retailer 20
-
$34,679 AUD
$24,360 USD
View
B+
Retailer 21
-
$36,561 AUD
$25,682 USD
View
B
Retailer 22
-
$37,959 AUD
$26,664 USD
View
B
Retailer 23
-
$41,798 AUD
$29,361 USD
View
Most Expensive
B
Do Amore Diamonds
27-1B61104DE · Oct 29
$61,628 AUD
$43,290 USD
View
23 more retailers have this diamond
Prices start from $9,432 AUDSave up to $52,195 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
5.05ct Round
$9,432 AUD