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Oval|Lab Grown|IGI

4.28ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG688516648

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG688516648

Diamond specifications and retailer prices

From $4,213 NZD
£1,863 GBP
As of October 29, 2026
Save $22,815 NZD (84%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $27,028 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.28ct lab-grown oval diamond

This 4.28ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG688516648 or 688516648. Listed at 28 retailers as of October 29, 2026, with prices from $4,213 to $27,028, a $22,815 spread on the same certified stone. Do Amore Diamonds lists it at $27,028. 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
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688516648
Dimensions13.16 × 9.30 × 5.73 mm
L/W Ratio1.42
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
13.16 mm9.30 mm4.28 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688516648
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.6%

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: $27,028 NZD|Low: $4,187 NZD|High: $27,028 NZD|Avg: $9,702 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 25
October 29, 2026
Retailer 20$4,213 NZD
Retailer 14$4,336 NZD
Retailer 3$4,398 NZD
Retailer 4$4,556 NZD
Retailer 17$4,717 NZD
Retailer 22$4,839 NZD
Retailer 21$4,852 NZD
Retailer 25$5,948 NZD
Retailer 13$6,906 NZD
Retailer 8$6,912 NZD
Retailer 23$7,142 NZD
Retailer 9$7,841 NZD
Retailer 24$8,327 NZD
Retailer 15$9,551 NZD
Retailer 2$10,705 NZD
Retailer 10$10,791 NZD
Retailer 12$11,008 NZD
Retailer 11$12,009 NZD
Retailer 6$12,164 NZD
Retailer 5$12,737 NZD
Retailer 19$13,536 NZD
Retailer 7$17,211 NZD
Retailer 18$17,553 NZD
Retailer 16$18,535 NZD
Do Amore Diamonds$27,028 NZD

22 data points across 25 retailers

28 retailers$4,213 NZD to $27,028 NZD

A
Cheapest Retailer
-
$4,213 NZD
£1,863 GBP
A
Retailer 2
-
$4,336 NZD
$2,435 USD
View
A
Retailer 3
-
$4,398 NZD
$2,470 USD
View
Final sale: no returns
A
Retailer 4
-
$4,556 NZD
$2,559 USD
View
A
Retailer 5
-
$4,717 NZD
$2,649 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$4,839 NZD
$2,718 USD
View
A
Retailer 7
-
$4,852 NZD
$2,725 USD
View
A
Retailer 8
-
$5,948 NZD
HK$26,100 HKD
View
A
Retailer 9
-
$6,315 NZD
$3,547 USD
View
Price last confirmed 17 days ago
A
Retailer 10
-
$6,906 NZD
£3,054 GBP
View
A
Retailer 11
-
$6,912 NZD
$3,882 USD
View
A
Retailer 12
-
$7,142 NZD
$4,011 USD
View
A
Retailer 13
-
$7,841 NZD
$4,404 USD
View
A
Retailer 14
-
$8,327 NZD
$4,677 USD
View
A
Retailer 15
-
$9,551 NZD
£4,224 GBP
View
A
Retailer 16
-
$10,705 NZD
ZAR 97,128 ZAR
View
B+
Retailer 17
-
$10,791 NZD
A$9,324 AUD
View
Price last confirmed 7 days ago
B+
Retailer 18
-
$12,009 NZD
$6,745 USD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
$12,164 NZD
$6,832 USD
View
B+
Retailer 20
-
$12,737 NZD
$7,153 USD
View
B+
Retailer 21
-
$13,028 NZD
$7,317 USD
View
B+
Retailer 22
-
$13,536 NZD
£5,986 GBP
View
B+
Retailer 23
-
$16,778 NZD
£7,420 GBP
View
Price last confirmed 20 days ago
B
Retailer 24
-
$17,211 NZD
SGD 13,063 SGD
View
B
Retailer 25
-
$17,553 NZD
$9,859 USD
View
B+
Retailer 26
-
$18,535 NZD
$10,410 USD
View
B
Retailer 27
-
$18,535 NZD
$10,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-DF53EF8B5 · Oct 29
$27,028 NZD
$15,180 USD
View
27 more retailers have this diamond
Prices start from $4,213 NZDSave up to $22,815 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 Oval
$4,213 NZD