CaratHunter
Plans
Radiant|Lab Grown|IGI

1.15ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG574325826

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG574325826

Diamond specifications and retailer prices

From $271 NZD
As of November 6, 2026
Save $2,327 NZD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,598 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.15ct lab-grown radiant diamond

This 1.15ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG574325826 or 574325826. Listed at 12 retailers as of November 2, 2026, with prices from $271 to $2,598, a $2,327 spread on the same certified stone. Do Amore Diamonds lists it at $2,598. 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

1.15
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG574325826
Dimensions7.39 × 5.14 × 3.42 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.39 mm5.14 mm1.15 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG574325826
Side View
Table 65.0%Crown 44.7°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 66.5%

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: Nov 6
Current: $2,598 NZD|Low: $213 NZD|High: $2,598 NZD|Avg: $951 NZD
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
November 4, 2026
Retailer 11$271 NZD
Retailer 15$303 NZD
Retailer 14$314 NZD
Retailer 8$478 NZD
Retailer 6$599 NZD
Retailer 13$617 NZD
Retailer 3$696 NZD
Retailer 2$794 NZD
Retailer 7$853 NZD
Retailer 10$1,136 NZD
Retailer 12$1,189 NZD
Retailer 4$1,237 NZD
Retailer 5$1,245 NZD
Retailer 9$1,726 NZD
Do Amore Diamonds$2,598 NZD

39 data points across 15 retailers

12 retailers$271 NZD to $2,598 NZD

A
Cheapest Retailer
-
$271 NZD
A
Retailer 2
-
$303 NZD
View
Final sale: no returns
A
Retailer 3
-
$314 NZD
View
A
Retailer 4
-
$478 NZD
View
B+
Retailer 5
-
$617 NZD
View
B+
Retailer 6
-
$794 NZD
View
Retailer 7
-
$842 NZD
View
Price last confirmed 59 days ago
B+
Retailer 8
-
$947 NZD
View
B+
Retailer 9
-
$1,136 NZD
View
B+
Retailer 10
-
$1,189 NZD
View
B
Retailer 11
-
$1,726 NZD
View
Most Expensive
B
Do Amore Diamonds
27-0866E438A · Nov 2
$2,598 NZD
$1,440 USD
View
11 more retailers have this diamond
Prices start from $271 NZDSave up to $2,327 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
1.15ct Radiant
$271 NZD