CaratHunter
Plans
Round|Lab Grown|GIA

4.28ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 7516335212

Certificate GIA 7516335212

Diamond specifications and retailer prices

From $9,106 NZD
$5,132 USD
As of October 31, 2026
Save $48,953 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $65,010 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.28ct lab-grown round diamond

This 4.28ct 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 7516335212. Listed at 18 retailers as of October 29, 2026, with a 538% 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

4.28
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 7516335212
Dimensions10.38 × 10.42 × 6.42 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Top View
10.38 mm10.42 mm4.28 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7516335212
Side View
Table 57.0%Crown 34.5°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: Oct 31
Current: $65,010 NZD|Low: $9,072 NZD|High: $70,724 NZD|Avg: $25,669 NZD|-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
Retailer 15
Retailer 16
October 30, 2026
Retailer 6$9,106 NZD
Retailer 15$9,450 NZD
Retailer 4$9,904 NZD
Retailer 16$10,962 NZD
Retailer 14$10,983 NZD
Retailer 3$14,363 NZD
Retailer 5$15,852 NZD
Retailer 13$17,743 NZD
Retailer 12$19,034 NZD
Retailer 10$24,753 NZD
Retailer 9$27,866 NZD
Retailer 2$33,375 NZD
Retailer 11$33,375 NZD
Retailer 8$42,360 NZD
Retailer 7$58,059 NZD
Do Amore Diamonds$65,010 NZD

29 data points across 16 retailers

18 retailers$9,106 NZD to $58,059 NZD

A
Cheapest Retailer
-
$9,106 NZD
$5,132 USD
A
Retailer 2
-
$9,450 NZD
$5,326 USD
View
A
Retailer 3
-
$9,904 NZD
$5,582 USD
View
A
Retailer 4
-
$10,962 NZD
$6,178 USD
View
Retailer 5
-
$10,962 NZD
$6,178 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$10,983 NZD
$6,190 USD
View
B+
Retailer 7
-
$14,363 NZD
$8,095 USD
View
B+
Retailer 8
-
$15,852 NZD
$8,934 USD
View
B+
Retailer 9
-
$17,743 NZD
$10,000 USD
View
B+
Retailer 10
-
$19,034 NZD
€10,217 EUR
View
B+
Retailer 11
-
$24,753 NZD
£10,985 GBP
View
B+
Retailer 12
-
$27,866 NZD
$15,706 USD
View
B
Retailer 13
-
$30,211 NZD
$17,027 USD
View
B+
Retailer 14
-
$33,375 NZD
$18,810 USD
View
Retailer 15
-
$33,375 NZD
$18,810 USD
View
B
Retailer 16
-
$42,360 NZD
$23,874 USD
View
B
Retailer 17
-
$58,059 NZD
$32,722 USD
View
Most Expensive
Do Amore Diamonds
27-B3E06B88C · Oct 29
$65,010 NZD
$36,640 USD
View
Price under review
17 more retailers have this diamond
Prices start from $9,106 NZDSave up to $48,953 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
4.28ct Round
$9,106 NZD