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Round|Lab Grown|IGI

6.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG628447407

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628447407

Diamond specifications and retailer prices

From $18,300 NZD
$10,314 USD
As of November 1, 2026
Save $63,690 NZD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $81,990 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 6.05ct lab-grown round diamond

This 6.05ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628447407 or 628447407. Listed at 17 retailers as of November 1, 2026, with prices from $18,300 to $81,990, a $63,690 spread on the same certified stone. Do Amore Diamonds lists it at $81,990. 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

6.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628447407
Dimensions11.68 × 11.64 × 7.21 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
11.68 mm11.64 mm6.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628447407
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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: Nov 1
Current: $81,990 NZD|Low: $17,338 NZD|High: $83,676 NZD|Avg: $32,329 NZD|-2.0%
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
November 1, 2026
Retailer 16$18,300 NZD
Retailer 17$18,394 NZD
Retailer 4$19,033 NZD
Retailer 6$19,118 NZD
Retailer 8$20,919 NZD
Retailer 10$21,881 NZD
Retailer 7$21,886 NZD
Retailer 3$21,961 NZD
Retailer 14$22,193 NZD
Retailer 15$22,656 NZD
Retailer 18$22,876 NZD
Retailer 2$35,970 NZD
Retailer 13$37,899 NZD
Retailer 9$39,775 NZD
Retailer 12$40,219 NZD
Retailer 11$43,615 NZD
Retailer 5$49,476 NZD
Do Amore Diamonds$81,990 NZD

32 data points across 18 retailers

17 retailers$18,300 NZD to $81,990 NZD

A
Cheapest Retailer
-
$18,300 NZD
$10,314 USD
A
Retailer 2
-
$18,394 NZD
$10,367 USD
View
A
Retailer 3
-
$19,033 NZD
$10,727 USD
View
Retailer 4
-
$19,118 NZD
$10,775 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$19,973 NZD
$11,257 USD
View
A
Retailer 6
-
$20,919 NZD
$11,790 USD
View
Final sale: no returns
A
Retailer 7
-
$21,881 NZD
$12,332 USD
View
A
Retailer 8
-
$21,886 NZD
$12,335 USD
View
A
Retailer 9
-
$21,961 NZD
$12,377 USD
View
A
Retailer 10
-
$22,656 NZD
$12,769 USD
View
A
Retailer 11
-
$22,876 NZD
$12,893 USD
View
B+
Retailer 12
-
$35,970 NZD
£15,963 GBP
View
B+
Retailer 13
-
$37,899 NZD
$21,360 USD
View
B+
Retailer 14
-
$40,219 NZD
€21,588 EUR
View
B+
Retailer 15
-
$43,615 NZD
A$37,818 AUD
View
B+
Retailer 16
-
$49,476 NZD
$27,885 USD
View
Most Expensive
B
Do Amore Diamonds
27-4C614435F · Nov 1
$81,990 NZD
$46,210 USD
View
16 more retailers have this diamond
Prices start from $18,300 NZDSave up to $63,690 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
6.05ct Round
$18,300 NZD