CaratHunter
Plans
Round|Lab Grown|IGI

0.28ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG648420907

Shape and cutting style on the report: Round brilliant

Certificate IGI LG648420907

Diamond specifications and retailer prices

From $125 NZD
$70 USD
As of October 29, 2026
Save $566 NZD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $691 NZD at B2C Jewels · As of October 29, 2026
View at B2C Jewels

About this 0.28ct lab-grown round diamond

This 0.28ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648420907 or 648420907. Listed at 12 retailers as of October 29, 2026, with prices from $125 to $691, a $566 spread on the same certified stone. B2C Jewels lists it at $691. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.28
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648420907
Dimensions4.30 × 4.28 × 2.55 mm
L/W Ratio1.00
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
4.30 mm4.28 mm0.28 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648420907
Side View
Table 59.0%Crown 34.1°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 59.6%

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: $691 NZD|Low: $119 NZD|High: $691 NZD|Avg: $335 NZD|+1.3%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 18, 2026
Retailer 5$125 NZD
Retailer 12$144 NZD
Retailer 10$164 NZD
Retailer 11$164 NZD
Retailer 6$217 NZD
Retailer 2$231 NZD
Retailer 8$314 NZD
Retailer 7$338 NZD
Retailer 3$457 NZD
Retailer 9$497 NZD
Retailer 4$605 NZD
B2C Jewels$691 NZD

12 data points across 12 retailers

12 retailers$125 NZD to $691 NZD

A
Cheapest Retailer
-
$125 NZD
$70 USD
A
Retailer 2
-
$144 NZD
$81 USD
View
A
Retailer 3
-
$164 NZD
$92 USD
View
A
Retailer 4
-
$164 NZD
$92 USD
View
B+
Retailer 5
-
$217 NZD
$122 USD
View
Retailer 6
-
$231 NZD
$130 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$314 NZD
€168 EUR
View
B
Retailer 8
-
$338 NZD
$190 USD
View
B
Retailer 9
-
$457 NZD
SGD 347 SGD
View
B
Retailer 10
-
$497 NZD
$279 USD
View
B
Retailer 11
-
$605 NZD
$340 USD
View
Most Expensive
B
B2C Jewels
31239392 · Oct 29
$691 NZD
$388 USD
View
11 more retailers have this diamond
Prices start from $125 NZDSave up to $566 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
0.28ct Round
$125 NZD