Radiant|Lab Grown|UNKNOWN

1.04ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • UNKNOWN 15989345

Certificate UNKNOWN 15989345

Diamond specifications and retailer prices

From $135 USD
As of November 6, 2026
Save $402 USD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $537 USD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.04ct lab-grown radiant diamond

This 1.04ct 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 UNKNOWN 15989345. Listed at 5 retailers as of November 6, 2026, with prices from $135 to $537, a $402 spread on the same certified stone. NZ Jewellers lists it at $537. 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

1.04
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 15989345
Dimensions5.06 × 6.77 × 3.32 mm
L/W Ratio1.34
Top View
5.06 mm6.77 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 15989345
Side View
Table 66.0%CrownGirdlePavilionCuletDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $537 USD|Low: $129 USD|High: $537 USD|Avg: $252 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$135 USD
Retailer 5$156 USD
Retailer 3$167 USD
Retailer 4$315 USD
NZ Jewellers$537 USD

6 data points across 5 retailers

5 retailers$135 USD to $537 USD

A
Cheapest Retailer
-
$135 USD
B+
Retailer 2
-
$156 USD
View
B+
Retailer 3
-
$167 USD
View
B+
Retailer 4
-
$315 USD
View
Most Expensive
B
NZ Jewellers
6237122a-2be0-4464-8271-ef1841d89c9f · Nov 6
$537 USD
View
4 more retailers have this diamond
Prices start from $135 USDSave up to $402 USD

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
1.04ct Radiant
$135 USD