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Round|Lab Grown|IGI

4.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG739532839

Shape and cutting style on the report: Round brilliant

Certificate IGI LG739532839

Diamond specifications and retailer prices

From $3,971 NZD
$2,238 USD
As of October 29, 2026
Save $23,353 NZD (85%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $27,324 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.26ct lab-grown round diamond

This 4.26ct 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 IGI LG739532839 or 739532839. Listed at 26 retailers as of October 29, 2026, with prices from $3,971 to $27,324, a $23,353 spread on the same certified stone. Do Amore Diamonds lists it at $27,324. 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

4.26
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739532839
Dimensions10.37 × 10.29 × 6.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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
10.37 mm10.29 mm4.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739532839
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

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: $27,324 NZD|Low: $3,954 NZD|High: $42,424 NZD|Avg: $11,491 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 25
October 31, 2026
Retailer 5$3,954 NZD
Retailer 3$3,971 NZD
Retailer 24$4,320 NZD
Retailer 21$4,446 NZD
Retailer 6$4,608 NZD
Retailer 14$4,883 NZD
Retailer 15$6,314 NZD
Retailer 25$6,702 NZD
Retailer 8$6,707 NZD
Retailer 13$6,838 NZD
Retailer 4$6,991 NZD
Retailer 7$7,221 NZD
Retailer 10$7,647 NZD
Retailer 2$8,093 NZD
Retailer 20$10,825 NZD
Retailer 23$10,912 NZD
Retailer 12$12,301 NZD
Retailer 11$12,866 NZD
Retailer 16$13,303 NZD
Retailer 22$13,689 NZD
Retailer 18$17,748 NZD
Retailer 17$18,296 NZD
Retailer 9$19,930 NZD
Retailer 19$23,758 NZD
Do Amore Diamonds$27,324 NZD

31 data points across 25 retailers

26 retailers$3,971 NZD to $27,324 NZD

Retailer 1
-
$3,954 NZD
£1,755 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$3,971 NZD
$2,238 USD
View
A
Retailer 3
-
$4,320 NZD
$2,435 USD
View
A
Retailer 4
-
$4,446 NZD
$2,506 USD
View
Final sale: no returns
A
Retailer 5
-
$4,608 NZD
$2,597 USD
View
A
Retailer 6
-
$4,883 NZD
$2,752 USD
View
A
Retailer 7
-
$6,314 NZD
HK$27,800 HKD
View
A
Retailer 8
-
$6,702 NZD
$3,777 USD
View
A
Retailer 9
-
$6,707 NZD
$3,780 USD
View
A
Retailer 10
-
$6,838 NZD
£3,035 GBP
View
A
Retailer 11
-
$6,991 NZD
$3,940 USD
View
A
Retailer 12
-
$7,221 NZD
$4,070 USD
View
A
Retailer 13
-
$7,647 NZD
$4,310 USD
View
A
Retailer 14
-
$8,093 NZD
€4,344 EUR
View
A
Retailer 15
-
$10,825 NZD
ZAR 98,564 ZAR
View
Retailer 16
-
$10,912 NZD
A$9,462 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$12,301 NZD
$6,933 USD
View
B+
Retailer 18
-
$12,866 NZD
$7,251 USD
View
B+
Retailer 19
-
$13,303 NZD
$7,498 USD
View
B+
Retailer 20
-
$13,689 NZD
£6,075 GBP
View
B+
Retailer 21
-
$17,748 NZD
$10,003 USD
View
B+
Retailer 22
-
$18,296 NZD
SGD 13,935 SGD
View
Retailer 23
-
$19,930 NZD
A$17,281 AUD
View
Price last confirmed 22 days ago
B
Retailer 24
-
$23,149 NZD
$13,047 USD
View
B+
Retailer 25
-
$23,758 NZD
$13,390 USD
View
Most Expensive
B
Do Amore Diamonds
27-239401539 · Oct 31
$27,324 NZD
$15,400 USD
View
25 more retailers have this diamond
Prices start from $3,971 NZDSave up to $23,353 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
4.26ct Round
$3,971 NZD