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Round|Lab Grown|GIA

4.18ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 1515744293

Certificate GIA 1515744293

Diamond specifications and retailer prices

From $7,411 AUD
$5,206 USD
As of October 29, 2026
Save $37,028 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $50,993 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.18ct lab-grown round diamond

This 4.18ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1515744293. Listed at 16 retailers as of October 29, 2026, with a 500% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.18
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 1515744293
Dimensions10.32 × 10.33 × 6.33 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Top View
10.32 mm10.33 mm4.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1515744293
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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: $50,993 AUD|Low: $7,115 AUD|High: $51,250 AUD|Avg: $19,590 AUD|-0.5%
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
October 30, 2026
Retailer 10$7,411 AUD
Retailer 14$7,767 AUD
Retailer 4$7,789 AUD
Retailer 12$8,597 AUD
Retailer 9$8,620 AUD
Retailer 13$11,265 AUD
Retailer 3$12,422 AUD
Retailer 8$14,916 AUD
Retailer 7$19,414 AUD
Retailer 11$21,317 AUD
Retailer 2$21,846 AUD
Retailer 6$33,344 AUD
Retailer 5$44,439 AUD
Do Amore Diamonds$50,993 AUD

27 data points across 14 retailers

16 retailers$7,411 AUD to $44,439 AUD

A
Cheapest Retailer
-
$7,411 AUD
$5,206 USD
A
Retailer 2
-
$7,767 AUD
$5,456 USD
View
A
Retailer 3
-
$7,789 AUD
$5,471 USD
View
A
Retailer 4
-
$8,597 AUD
$6,039 USD
View
Retailer 5
-
$8,597 AUD
$6,039 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$8,620 AUD
$6,055 USD
View
B+
Retailer 7
-
$11,265 AUD
$7,913 USD
View
B+
Retailer 8
-
$12,422 AUD
$8,726 USD
View
B+
Retailer 9
-
$14,916 AUD
€9,979 EUR
View
B+
Retailer 10
-
$19,414 AUD
£10,738 GBP
View
B
Retailer 11
-
$21,317 AUD
$14,974 USD
View
B+
Retailer 12
-
$21,846 AUD
$15,346 USD
View
B
Retailer 13
-
$23,717 AUD
$16,660 USD
View
B
Retailer 14
-
$33,344 AUD
$23,423 USD
View
B
Retailer 15
-
$44,439 AUD
$31,216 USD
View
Most Expensive
Do Amore Diamonds
27-0A710EC7F · Oct 31
$50,993 AUD
$35,820 USD
View
Price under review
15 more retailers have this diamond
Prices start from $7,411 AUDSave up to $37,028 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
4.18ct Round
$7,411 AUD