Round|Lab Grown|IGI

5.05ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG618431149

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618431149

Diamond specifications and retailer prices

From $8,898 NZD
£3,949 GBP
As of October 30, 2026
Save $55,208 NZD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $64,105 NZD at Do Amore Diamonds · As of October 30, 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 LG618431149 or 618431149. Listed at 18 retailers as of October 30, 2026, with prices from $8,898 to $64,105, a $55,208 spread on the same certified stone. Do Amore Diamonds lists it at $64,105. 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 angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618431149
Dimensions10.95 × 11.00 × 6.79 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
10.95 mm11.00 mm5.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618431149
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $64,105 NZD|Low: $8,880 NZD|High: $64,105 NZD|Avg: $19,275 NZD
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 11$8,898 NZD
Retailer 17$9,317 NZD
Retailer 5$9,764 NZD
Retailer 18$9,823 NZD
Retailer 9$10,603 NZD
Retailer 13$11,043 NZD
Retailer 15$11,045 NZD
Retailer 3$13,309 NZD
Retailer 4$14,161 NZD
Retailer 16$16,698 NZD
Retailer 14$20,080 NZD
Retailer 10$20,250 NZD
Retailer 12$24,404 NZD
Retailer 6$24,912 NZD
Retailer 7$25,375 NZD
Retailer 2$30,074 NZD
Retailer 8$46,761 NZD
Do Amore Diamonds$64,105 NZD

40 data points across 18 retailers

18 retailers$8,898 NZD to $64,105 NZD

A+
Cheapest Retailer
-
$8,898 NZD
£3,949 GBP
A
Retailer 2
-
$9,317 NZD
$5,251 USD
View
A
Retailer 3
-
$9,764 NZD
$5,503 USD
View
A
Retailer 4
-
$9,823 NZD
$5,536 USD
View
A
Retailer 5
-
$9,940 NZD
$5,602 USD
View
A
Retailer 6
-
$10,603 NZD
$5,976 USD
View
Final sale: no returns
A
Retailer 7
-
$11,045 NZD
$6,225 USD
View
A
Retailer 8
-
$13,156 NZD
$7,415 USD
View
A
Retailer 9
-
$13,309 NZD
$7,501 USD
View
A
Retailer 10
-
$14,161 NZD
$7,981 USD
View
A
Retailer 11
-
$16,698 NZD
$9,411 USD
View
A
Retailer 12
-
$20,080 NZD
€10,778 EUR
View
A
Retailer 13
-
$24,404 NZD
£10,830 GBP
View
A
Retailer 14
-
$24,912 NZD
$14,041 USD
View
Retailer 15
-
$25,375 NZD
A$22,002 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$30,074 NZD
$16,950 USD
View
Retailer 17
-
$46,761 NZD
A$40,546 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Do Amore Diamonds
27-421C04D3D · Oct 30
$64,105 NZD
$36,130 USD
View
17 more retailers have this diamond
Prices start from $8,898 NZDSave up to $55,208 NZD

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
$8,898 NZD